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| Icy mix spreading across area, hazardous travel this evening (UPDATES) | |
| (35 minutes later) | |
| * Winter storm warning through 6 a.m. for entire area except for southern Maryland and Stafford County which are under a winter weather advisory through 3 a.m. * | |
| Snow total reports from NWS | Heavy snow snarls traffic, leaves homeless out in the cold | Snow total reports from NWS | Heavy snow snarls traffic, leaves homeless out in the cold |
| [Full D.C. area forecast for today and beyond] | [Full D.C. area forecast for today and beyond] |
| Key points | Key points |
| 5:50 p.m. update: As sleet is starting to end snow accumulation in many areas from the Beltway and points south, here’s a preliminary take on how much snow fell: | 5:50 p.m. update: As sleet is starting to end snow accumulation in many areas from the Beltway and points south, here’s a preliminary take on how much snow fell: |
| The District: 3-5 inches (SE to NW) Fairfax County: 3-8 inches (E to W) Prince George’s County: 2-6 inches (S to N) Loudoun County: 5-10 inches Montgomery County: 4-9 inches (SE to NW) Anne Arundel County: 1-6 inches (S to N) Howard County: 5-10 inches (E to W) Calvert County: Around 1 inch St. Mary’s County: Less than 1 inch Stafford County: 1-3 inches Prince William County: 2-6 inches (SE to NW) Fauquier County: 3-7 inches (S to N) Frederick County, Md: 5-10 inches | |
| These totals are based on NWS and reader reports. Do they seem more or less right? | These totals are based on NWS and reader reports. Do they seem more or less right? |
| 5:35 p.m. update: The snow is transitioning to sleet in Fairfax, Arlington, and the District according to reports, so expect little additional snow accumulation from D.C. south although snow may alternate with sleet a bit over the next hour before sleet wins the battle. | 5:35 p.m. update: The snow is transitioning to sleet in Fairfax, Arlington, and the District according to reports, so expect little additional snow accumulation from D.C. south although snow may alternate with sleet a bit over the next hour before sleet wins the battle. |
| .@capitalweather Just changed from snow to sleet in upper NW. — Luis Hernandez (@Luisindc18) February 21, 2015 | .@capitalweather Just changed from snow to sleet in upper NW. — Luis Hernandez (@Luisindc18) February 21, 2015 |
| .@capitalweather Just changed from snow to sleet in upper NW. | .@capitalweather Just changed from snow to sleet in upper NW. |
| — Luis Hernandez (@Luisindc18) February 21, 2015 | — Luis Hernandez (@Luisindc18) February 21, 2015 |
| Changed to sleet in Arlington @capitalweather — Kyle Olmstead (@weatherspyer) February 21, 2015 | Changed to sleet in Arlington @capitalweather — Kyle Olmstead (@weatherspyer) February 21, 2015 |
| Changed to sleet in Arlington @capitalweather | Changed to sleet in Arlington @capitalweather |
| — Kyle Olmstead (@weatherspyer) February 21, 2015 | — Kyle Olmstead (@weatherspyer) February 21, 2015 |
| Snow has started mixing with sleet in Alexandria. @ericagrow @capitalweather @ameliasegal @EileenABC7 — Kevin Wagner (@weatherwagner) February 21, 2015 | Snow has started mixing with sleet in Alexandria. @ericagrow @capitalweather @ameliasegal @EileenABC7 — Kevin Wagner (@weatherwagner) February 21, 2015 |
| Snow has started mixing with sleet in Alexandria. @ericagrow @capitalweather @ameliasegal @EileenABC7 | Snow has started mixing with sleet in Alexandria. @ericagrow @capitalweather @ameliasegal @EileenABC7 |
| — Kevin Wagner (@weatherwagner) February 21, 2015 | — Kevin Wagner (@weatherwagner) February 21, 2015 |
| Here are some nice pictures coming in of the snow as the snow phase of this storm ends… | Here are some nice pictures coming in of the snow as the snow phase of this storm ends… |
| @capitalweather this snow is no joke- It's looking a lot like Christmas in dupont! pic.twitter.com/D7iqTXFvIo — Heejin Hwang (@heejin_hwang) February 21, 2015 | @capitalweather this snow is no joke- It's looking a lot like Christmas in dupont! pic.twitter.com/D7iqTXFvIo — Heejin Hwang (@heejin_hwang) February 21, 2015 |
| @capitalweather this snow is no joke- It's looking a lot like Christmas in dupont! pic.twitter.com/D7iqTXFvIo | @capitalweather this snow is no joke- It's looking a lot like Christmas in dupont! pic.twitter.com/D7iqTXFvIo |
| — Heejin Hwang (@heejin_hwang) February 21, 2015 | — Heejin Hwang (@heejin_hwang) February 21, 2015 |
| So much snow in #ArlingtonVA. So magical. @capitalweather pic.twitter.com/aHAQxu4JNB — Mina Radman (@minaradman) February 21, 2015 | So much snow in #ArlingtonVA. So magical. @capitalweather pic.twitter.com/aHAQxu4JNB — Mina Radman (@minaradman) February 21, 2015 |
| So much snow in #ArlingtonVA. So magical. @capitalweather pic.twitter.com/aHAQxu4JNB | So much snow in #ArlingtonVA. So magical. @capitalweather pic.twitter.com/aHAQxu4JNB |
| — Mina Radman (@minaradman) February 21, 2015 | — Mina Radman (@minaradman) February 21, 2015 |
| Frozen National Cathedral. #dc #Snow @capitalweather pic.twitter.com/YHTfAUSYqO — Mary Lucas (@marketermary) February 21, 2015 | Frozen National Cathedral. #dc #Snow @capitalweather pic.twitter.com/YHTfAUSYqO — Mary Lucas (@marketermary) February 21, 2015 |
| Frozen National Cathedral. #dc #Snow @capitalweather pic.twitter.com/YHTfAUSYqO | Frozen National Cathedral. #dc #Snow @capitalweather pic.twitter.com/YHTfAUSYqO |
| — Mary Lucas (@marketermary) February 21, 2015 | — Mary Lucas (@marketermary) February 21, 2015 |
| So much snow on Thomas Circle. @capitalweather pic.twitter.com/GabwRbvTek — Kaitlin Yarnall (@kaityarnall) February 21, 2015 | So much snow on Thomas Circle. @capitalweather pic.twitter.com/GabwRbvTek — Kaitlin Yarnall (@kaityarnall) February 21, 2015 |
| So much snow on Thomas Circle. @capitalweather pic.twitter.com/GabwRbvTek | So much snow on Thomas Circle. @capitalweather pic.twitter.com/GabwRbvTek |
| — Kaitlin Yarnall (@kaityarnall) February 21, 2015 | — Kaitlin Yarnall (@kaityarnall) February 21, 2015 |
| 5:10 p.m. update: The National Weather Service has expanded the winter storm warning to cover the District, Prince George’s and Anne Arundel County and all areas inside the Beltway through 6 a.m. However, these particular locations probably won’t see a lot more snow accumulation as the sleet transition is happening or about to. Even so, temperatures will remain below freezing for a few more hours, at least, so conditions will remain hazardous outside. | 5:10 p.m. update: The National Weather Service has expanded the winter storm warning to cover the District, Prince George’s and Anne Arundel County and all areas inside the Beltway through 6 a.m. However, these particular locations probably won’t see a lot more snow accumulation as the sleet transition is happening or about to. Even so, temperatures will remain below freezing for a few more hours, at least, so conditions will remain hazardous outside. |
| 4:55 p.m. update: Even as we watch the snow transition to sleet from south to north, temperatures are still well below freezing. It will probably take until between 8 p.m. and midnight for temperatures to edge to freezing or a little above from south to north. In other words, expect road conditions to remain hazardous with frozen precipitation falling for the balance of the evening. | 4:55 p.m. update: Even as we watch the snow transition to sleet from south to north, temperatures are still well below freezing. It will probably take until between 8 p.m. and midnight for temperatures to edge to freezing or a little above from south to north. In other words, expect road conditions to remain hazardous with frozen precipitation falling for the balance of the evening. |
| The map below shows temperatures and a radar screenshot from around 4:45 p.m. You can see the sleet into Stafford County — it’s advancing north pretty quickly and most spots from the District south should see some mixing between 5 and 6 p.m. Mixing should advance into our northern suburbs between 6 and 7 p.m. | The map below shows temperatures and a radar screenshot from around 4:45 p.m. You can see the sleet into Stafford County — it’s advancing north pretty quickly and most spots from the District south should see some mixing between 5 and 6 p.m. Mixing should advance into our northern suburbs between 6 and 7 p.m. |
| We only expect another inch or so snow accumulation (which may include some sleet) from the District south, with perhaps another 1-2 of combined snow and sleet north of the Beltway. | We only expect another inch or so snow accumulation (which may include some sleet) from the District south, with perhaps another 1-2 of combined snow and sleet north of the Beltway. |
| 4:35 p.m. update: The mix is coming. But first we may keep cashing in on some heavier snow in the D.C. area as more intense activity moves up from the south. We’ve seen reports on social media of sleet mixing in down near Fredericksburg. Freezing rain and other assorted mixy types are possible too. | 4:35 p.m. update: The mix is coming. But first we may keep cashing in on some heavier snow in the D.C. area as more intense activity moves up from the south. We’ve seen reports on social media of sleet mixing in down near Fredericksburg. Freezing rain and other assorted mixy types are possible too. |
| Radar confirms the mix advancement to the north with some “bright banding” on the normal view (below left), and areas indicative of being “not snow” on dual polarization (below right). | Radar confirms the mix advancement to the north with some “bright banding” on the normal view (below left), and areas indicative of being “not snow” on dual polarization (below right). |
| Temperatures are continuing to slowly climb on a south wind both at the surface and aloft. More and more mix is likely heading into the evening. The HRRR model shows what it envisions for this mix across the area at 7 p.m. below. | Temperatures are continuing to slowly climb on a south wind both at the surface and aloft. More and more mix is likely heading into the evening. The HRRR model shows what it envisions for this mix across the area at 7 p.m. below. |
| 4:00 p.m. update: Lots of general snow pictures, and lots of ruler pictures. Based on all the great snow measurement reports, it seems we’re up to about 3-7 inches locally, perhaps a bit less well south and east and a bit more in a spot or the snowiest spots. | 4:00 p.m. update: Lots of general snow pictures, and lots of ruler pictures. Based on all the great snow measurement reports, it seems we’re up to about 3-7 inches locally, perhaps a bit less well south and east and a bit more in a spot or the snowiest spots. |
| Damascus – 9 inches (link) Sterling – 7.5 inches (link) Aspen Hill – 6.75 inches (link) Gaithersburg – 6.2 inches (link) Bethesda – 6 inches (link) Haymarket – 6 inches (link) Ashburn – 5.5 inches (link) Silver Spring – 4.5 inches (link) Michigan Park – 3 inches (link) | Damascus – 9 inches (link) Sterling – 7.5 inches (link) Aspen Hill – 6.75 inches (link) Gaithersburg – 6.2 inches (link) Bethesda – 6 inches (link) Haymarket – 6 inches (link) Ashburn – 5.5 inches (link) Silver Spring – 4.5 inches (link) Michigan Park – 3 inches (link) |
| 3:40 p.m. update: So. Many. Snow. Pictures. Here are a few from recently across the area: | 3:40 p.m. update: So. Many. Snow. Pictures. Here are a few from recently across the area: |
| So we saw this guy kite snowboarding on the @NationalMallNPS. Is that a thing?! #DC @capitalweather pic.twitter.com/tBRpocDTLQ — Lizabeth B (@lizabethbel) February 21, 2015 | So we saw this guy kite snowboarding on the @NationalMallNPS. Is that a thing?! #DC @capitalweather pic.twitter.com/tBRpocDTLQ — Lizabeth B (@lizabethbel) February 21, 2015 |
| So we saw this guy kite snowboarding on the @NationalMallNPS. Is that a thing?! #DC @capitalweather pic.twitter.com/tBRpocDTLQ | So we saw this guy kite snowboarding on the @NationalMallNPS. Is that a thing?! #DC @capitalweather pic.twitter.com/tBRpocDTLQ |
| — Lizabeth B (@lizabethbel) February 21, 2015 | — Lizabeth B (@lizabethbel) February 21, 2015 |
| @capitalweather enough said. pic.twitter.com/g0atXIEOy7 — Jackson Proskow (@JProskowGlobal) February 21, 2015 | @capitalweather enough said. pic.twitter.com/g0atXIEOy7 — Jackson Proskow (@JProskowGlobal) February 21, 2015 |
| @capitalweather enough said. pic.twitter.com/g0atXIEOy7 | @capitalweather enough said. pic.twitter.com/g0atXIEOy7 |
| — Jackson Proskow (@JProskowGlobal) February 21, 2015 | — Jackson Proskow (@JProskowGlobal) February 21, 2015 |
| @capitalweather in columbia pic.twitter.com/6MGZ7w1843 — Lindsay Spencer (@linspence126) February 21, 2015 | @capitalweather in columbia pic.twitter.com/6MGZ7w1843 — Lindsay Spencer (@linspence126) February 21, 2015 |
| @capitalweather in columbia pic.twitter.com/6MGZ7w1843 | @capitalweather in columbia pic.twitter.com/6MGZ7w1843 |
| — Lindsay Spencer (@linspence126) February 21, 2015 | — Lindsay Spencer (@linspence126) February 21, 2015 |
| I love snow in #DC! Too bad the view at the #WashingtonMonument wasn't great today. @NationalMallNPS @capitalweather pic.twitter.com/ffakPJVQta — Lizabeth B (@lizabethbel) February 21, 2015 | I love snow in #DC! Too bad the view at the #WashingtonMonument wasn't great today. @NationalMallNPS @capitalweather pic.twitter.com/ffakPJVQta — Lizabeth B (@lizabethbel) February 21, 2015 |
| I love snow in #DC! Too bad the view at the #WashingtonMonument wasn't great today. @NationalMallNPS @capitalweather pic.twitter.com/ffakPJVQta | I love snow in #DC! Too bad the view at the #WashingtonMonument wasn't great today. @NationalMallNPS @capitalweather pic.twitter.com/ffakPJVQta |
| — Lizabeth B (@lizabethbel) February 21, 2015 | — Lizabeth B (@lizabethbel) February 21, 2015 |
| Heavy snow in Arlington. @capitalweather #Snowmageddon2015 pic.twitter.com/mUGDtC4VSq — Colleen Shogan (@cshogan276) February 21, 2015 | Heavy snow in Arlington. @capitalweather #Snowmageddon2015 pic.twitter.com/mUGDtC4VSq — Colleen Shogan (@cshogan276) February 21, 2015 |
| Heavy snow in Arlington. @capitalweather #Snowmageddon2015 pic.twitter.com/mUGDtC4VSq | Heavy snow in Arlington. @capitalweather #Snowmageddon2015 pic.twitter.com/mUGDtC4VSq |
| — Colleen Shogan (@cshogan276) February 21, 2015 | — Colleen Shogan (@cshogan276) February 21, 2015 |
| @capitalweather #snow in upper Northwest #WashingtonDC near #silverspring pic.twitter.com/t85vroqTgf — Metal Floss (@MetalFloss) February 21, 2015 | @capitalweather #snow in upper Northwest #WashingtonDC near #silverspring pic.twitter.com/t85vroqTgf — Metal Floss (@MetalFloss) February 21, 2015 |
| @capitalweather #snow in upper Northwest #WashingtonDC near #silverspring pic.twitter.com/t85vroqTgf | @capitalweather #snow in upper Northwest #WashingtonDC near #silverspring pic.twitter.com/t85vroqTgf |
| — Metal Floss (@MetalFloss) February 21, 2015 | — Metal Floss (@MetalFloss) February 21, 2015 |
| 3:05 p.m. update: If you’re looking for some sign of improvement, we are starting to see temperatures slowly warm. Everyone has now climbed out of the teens and is solidly in the 20s (low 20s north of D.C. to mid-20s from D.C. to the south). But it’s still going to take until at least this evening until we start flirting with the freezing mark in the immediate metro area and points north. Meanwhile, another band of heavier snow is crossing the area from west to east as seen below. | 3:05 p.m. update: If you’re looking for some sign of improvement, we are starting to see temperatures slowly warm. Everyone has now climbed out of the teens and is solidly in the 20s (low 20s north of D.C. to mid-20s from D.C. to the south). But it’s still going to take until at least this evening until we start flirting with the freezing mark in the immediate metro area and points north. Meanwhile, another band of heavier snow is crossing the area from west to east as seen below. |
| Another heavier snow band moving through DC area from west to east pic.twitter.com/rJhS9odmiz — Capital Weather Gang (@capitalweather) February 21, 2015 | Another heavier snow band moving through DC area from west to east pic.twitter.com/rJhS9odmiz — Capital Weather Gang (@capitalweather) February 21, 2015 |
| Another heavier snow band moving through DC area from west to east pic.twitter.com/rJhS9odmiz | Another heavier snow band moving through DC area from west to east pic.twitter.com/rJhS9odmiz |
| — Capital Weather Gang (@capitalweather) February 21, 2015 | — Capital Weather Gang (@capitalweather) February 21, 2015 |
| Outside of this band, snow is generally lighter than it has been. But whatever falls is still accumulating, now up to 3″ at American University in D.C., 6.8″ at Dulles and 2″ in Fairfax. Here are more totals from the National Weather Service, though note that some are dated. Still looking at a transition from snow to sleet and freezing rain (from south to north) after 5 p.m. or so. http://www.washingtonpost.com/posttv/local/social-video-captures-dc-snowfall/2015/02/21/825ce9f2-ba03-11e4-bc30-a4e75503948a_video.html 2:15 p.m. update: Snow continues to fall moderate to heavy in many places. Radar shows a bit of drier air trying to work in from the west, and that combined with what short-term models show suggests that the snow may lighten during the 3-5 p.m. period. Road conditions probably don’t improve much, though, and precipitation may still get heavier again after 5 p.m., as sleet and freezing rain likely start to mix in from south to north. | |
| 1:45 p.m. update: Hopefully word has gotten out that roads stink and you are in a safe place enjoying watching the snow out your window this afternoon. The snow is piling up nicely with the National Weather Service reporting the following accumulations so far: Frederick (3″), Ellicott City (2″), Germantown (4″), Rockville (1.5″), Wheaton (1.4″), Arlington (1″), Vienna (2″), Leesburg (4″). Note that these totals are all from the 12-1 p.m. hour and have certainly grown since. Recent totals reported on American Weather have Frederick at 5″, Clarksburg at 5.4″ and Purcelville at 5.25″. CWG’s Camden Walker has the report from the University of Maryland… | 1:45 p.m. update: Hopefully word has gotten out that roads stink and you are in a safe place enjoying watching the snow out your window this afternoon. The snow is piling up nicely with the National Weather Service reporting the following accumulations so far: Frederick (3″), Ellicott City (2″), Germantown (4″), Rockville (1.5″), Wheaton (1.4″), Arlington (1″), Vienna (2″), Leesburg (4″). Note that these totals are all from the 12-1 p.m. hour and have certainly grown since. Recent totals reported on American Weather have Frederick at 5″, Clarksburg at 5.4″ and Purcelville at 5.25″. CWG’s Camden Walker has the report from the University of Maryland… |
| 1:15 p.m. update: Flakes have gone from small to big in many areas and the snow is accumulating fast. Generally we’re hearing reports so far of 2-4″ and counting in the north and west suburbs, and 1-2″ and counting from D.C. to the south and east. Snow has been especially intense north and west of D.C., but just about everyone probably sees periods of heavy snow the next few hours, during which time we could add another 2-4″ on top of what’s already fallen. Roads are awful. Stay home! | 1:15 p.m. update: Flakes have gone from small to big in many areas and the snow is accumulating fast. Generally we’re hearing reports so far of 2-4″ and counting in the north and west suburbs, and 1-2″ and counting from D.C. to the south and east. Snow has been especially intense north and west of D.C., but just about everyone probably sees periods of heavy snow the next few hours, during which time we could add another 2-4″ on top of what’s already fallen. Roads are awful. Stay home! |
| RT @Hi2213Cp: Biggest flakes I have ever seen in Ashburn, VA. pic.twitter.com/lN9WuXZbHM — Capital Weather Gang (@capitalweather) February 21, 2015 | RT @Hi2213Cp: Biggest flakes I have ever seen in Ashburn, VA. pic.twitter.com/lN9WuXZbHM — Capital Weather Gang (@capitalweather) February 21, 2015 |
| RT @Hi2213Cp: Biggest flakes I have ever seen in Ashburn, VA. pic.twitter.com/lN9WuXZbHM | RT @Hi2213Cp: Biggest flakes I have ever seen in Ashburn, VA. pic.twitter.com/lN9WuXZbHM |
| — Capital Weather Gang (@capitalweather) February 21, 2015 | — Capital Weather Gang (@capitalweather) February 21, 2015 |
| 1:20 PM #Snow | 4 Inches in Germantown, MD…2 Inches in the last hour @ABC7News @DevonLucie @JacquiJeras pic.twitter.com/4CIoU6UvgO — DMV Forecaster (@DMVForecaster) February 21, 2015 | 1:20 PM #Snow | 4 Inches in Germantown, MD…2 Inches in the last hour @ABC7News @DevonLucie @JacquiJeras pic.twitter.com/4CIoU6UvgO — DMV Forecaster (@DMVForecaster) February 21, 2015 |
| 1:20 PM #Snow | 4 Inches in Germantown, MD…2 Inches in the last hour @ABC7News @DevonLucie @JacquiJeras pic.twitter.com/4CIoU6UvgO — DMV Forecaster (@DMVForecaster) February 21, 2015 | 1:20 PM #Snow | 4 Inches in Germantown, MD…2 Inches in the last hour @ABC7News @DevonLucie @JacquiJeras pic.twitter.com/4CIoU6UvgO — DMV Forecaster (@DMVForecaster) February 21, 2015 |
| 12:30 p.m. update: The winter storm warning has now been expanded southward on the west side of D.C. to include Fairfax, Prince William and southern Fauquier counties, where the National Weather Service is calling for 3-6″ of snow, and then a trace to a few hundredths of an inch of ice. The warning, which now covers all the north and west suburbs, is in effect until 6 a.m. Sunday. 12: 10 p.m. update: Well, the current traffic pattern sure does match up well with where we’ve seen the most and heaviest snow so far… | 12:30 p.m. update: The winter storm warning has now been expanded southward on the west side of D.C. to include Fairfax, Prince William and southern Fauquier counties, where the National Weather Service is calling for 3-6″ of snow, and then a trace to a few hundredths of an inch of ice. The warning, which now covers all the north and west suburbs, is in effect until 6 a.m. Sunday. 12: 10 p.m. update: Well, the current traffic pattern sure does match up well with where we’ve seen the most and heaviest snow so far… |
| This is what happens when it snows at a decent rate with a cold ground and temperatures in the teens to near 20. Road treatments don’t accomplish much at these temperatures, and it’s hard for snow plows to keep up. | This is what happens when it snows at a decent rate with a cold ground and temperatures in the teens to near 20. Road treatments don’t accomplish much at these temperatures, and it’s hard for snow plows to keep up. |
| 11:40 a.m. update: Moderate snow continues to fall all across the area, with pockets of heavier snow especially northwest and west of D.C., with a half-inch to inch of snow already accumulated in many spots. Looking at radar and all the model information available, it sure looks like snow totals will end up toward the higher end of the ranges on our map above. Many roads are snow covered and treacherous as you can see below. | 11:40 a.m. update: Moderate snow continues to fall all across the area, with pockets of heavier snow especially northwest and west of D.C., with a half-inch to inch of snow already accumulated in many spots. Looking at radar and all the model information available, it sure looks like snow totals will end up toward the higher end of the ranges on our map above. Many roads are snow covered and treacherous as you can see below. |
| RT @SilverSpringJoe: OL beltway at the big curve. pic.twitter.com/7eVK91DQLO — Capital Weather Gang (@capitalweather) February 21, 2015 | RT @SilverSpringJoe: OL beltway at the big curve. pic.twitter.com/7eVK91DQLO — Capital Weather Gang (@capitalweather) February 21, 2015 |
| RT @SilverSpringJoe: OL beltway at the big curve. pic.twitter.com/7eVK91DQLO — Capital Weather Gang (@capitalweather) February 21, 2015 | RT @SilverSpringJoe: OL beltway at the big curve. pic.twitter.com/7eVK91DQLO — Capital Weather Gang (@capitalweather) February 21, 2015 |
| 11:10 a.m. update: Snow is now falling just about everywhere locally, and it is moderate to heavy for a good chunk of the western part of the region. It will pick up further east as an intense area of snow pushes into and through the immediate area. Rates up to and even past 1 inch per hour are a good bet in the heaviest activity. | 11:10 a.m. update: Snow is now falling just about everywhere locally, and it is moderate to heavy for a good chunk of the western part of the region. It will pick up further east as an intense area of snow pushes into and through the immediate area. Rates up to and even past 1 inch per hour are a good bet in the heaviest activity. |
| 10:50 a.m. update: Within 20 minutes of beginning, snow has become steady and is sticking to roads in the city. That’s generally the case everywhere as it begins. This is just the beginning of a lengthy slug of moisture pointed at the area with this system. | 10:50 a.m. update: Within 20 minutes of beginning, snow has become steady and is sticking to roads in the city. That’s generally the case everywhere as it begins. This is just the beginning of a lengthy slug of moisture pointed at the area with this system. |
| And while we expect temperatures to climb both aloft and here at the ground with time, ultimately changing us over to a wintry mix from snow, above freezing temperatures are nowhere to be found locally right now. | And while we expect temperatures to climb both aloft and here at the ground with time, ultimately changing us over to a wintry mix from snow, above freezing temperatures are nowhere to be found locally right now. |
| 10:25 a.m. update: We can confirm the first flakes are falling in D.C. now. Here’s a look at current conditions to the west. Be careful if out and about, everything’s turning white again rather quick. | 10:25 a.m. update: We can confirm the first flakes are falling in D.C. now. Here’s a look at current conditions to the west. Be careful if out and about, everything’s turning white again rather quick. |
| One hour later #snOMG @AccuRayno @JustinWeather @capitalweather @islivingston @FredScanner @wbalradio @MascoFromABC2 pic.twitter.com/FbOOZFUw4l — Brandy Culbertson (@majikposhun) February 21, 2015 | One hour later #snOMG @AccuRayno @JustinWeather @capitalweather @islivingston @FredScanner @wbalradio @MascoFromABC2 pic.twitter.com/FbOOZFUw4l — Brandy Culbertson (@majikposhun) February 21, 2015 |
| One hour later #snOMG @AccuRayno @JustinWeather @capitalweather @islivingston @FredScanner @wbalradio @MascoFromABC2 pic.twitter.com/FbOOZFUw4l | One hour later #snOMG @AccuRayno @JustinWeather @capitalweather @islivingston @FredScanner @wbalradio @MascoFromABC2 pic.twitter.com/FbOOZFUw4l |
| — Brandy Culbertson (@majikposhun) February 21, 2015 | — Brandy Culbertson (@majikposhun) February 21, 2015 |
| @capitalweather road conditions in Ashburn are getting to be pretty bad with moderate to heavy snow. pic.twitter.com/ND9tOASStp — kishan modali (@kishanmodali120) February 21, 2015 | @capitalweather road conditions in Ashburn are getting to be pretty bad with moderate to heavy snow. pic.twitter.com/ND9tOASStp — kishan modali (@kishanmodali120) February 21, 2015 |
| @capitalweather road conditions in Ashburn are getting to be pretty bad with moderate to heavy snow. pic.twitter.com/ND9tOASStp | @capitalweather road conditions in Ashburn are getting to be pretty bad with moderate to heavy snow. pic.twitter.com/ND9tOASStp |
| — kishan modali (@kishanmodali120) February 21, 2015 | — kishan modali (@kishanmodali120) February 21, 2015 |
| @capitalweather Frederick is coated pic.twitter.com/rvHoLCCZmp — Devin Moore (@devinnotkevin) February 21, 2015 | @capitalweather Frederick is coated pic.twitter.com/rvHoLCCZmp — Devin Moore (@devinnotkevin) February 21, 2015 |
| @capitalweather Frederick is coated pic.twitter.com/rvHoLCCZmp | @capitalweather Frederick is coated pic.twitter.com/rvHoLCCZmp |
| — Devin Moore (@devinnotkevin) February 21, 2015 | — Devin Moore (@devinnotkevin) February 21, 2015 |
| @capitalweather Check out the snow on route 27! pic.twitter.com/DIV2afIV9G — Carroll County (@CarrollWeather) February 21, 2015 | @capitalweather Check out the snow on route 27! pic.twitter.com/DIV2afIV9G — Carroll County (@CarrollWeather) February 21, 2015 |
| @capitalweather Check out the snow on route 27! pic.twitter.com/DIV2afIV9G | @capitalweather Check out the snow on route 27! pic.twitter.com/DIV2afIV9G |
| — Carroll County (@CarrollWeather) February 21, 2015 | — Carroll County (@CarrollWeather) February 21, 2015 |
| 2 inches 4 miles WSW of Front Royal. Moderate snow. @alexliggitt @NWS_BaltWash @capitalweather pic.twitter.com/0FAbrgZy55 — Mike Stinneford (@MikeSABC7wx) February 21, 2015 | 2 inches 4 miles WSW of Front Royal. Moderate snow. @alexliggitt @NWS_BaltWash @capitalweather pic.twitter.com/0FAbrgZy55 — Mike Stinneford (@MikeSABC7wx) February 21, 2015 |
| 2 inches 4 miles WSW of Front Royal. Moderate snow. @alexliggitt @NWS_BaltWash @capitalweather pic.twitter.com/0FAbrgZy55 | 2 inches 4 miles WSW of Front Royal. Moderate snow. @alexliggitt @NWS_BaltWash @capitalweather pic.twitter.com/0FAbrgZy55 |
| — Mike Stinneford (@MikeSABC7wx) February 21, 2015 | — Mike Stinneford (@MikeSABC7wx) February 21, 2015 |
| 10:10 a.m. update: Snow is coming, about right on schedule. The front edge is currently lined up with I-95 and is about to push east across the city. We can’t stress enough that this is all sticking immediately, and untreated roads/sidewalks/etc. are likely to become a problem pretty quick. | 10:10 a.m. update: Snow is coming, about right on schedule. The front edge is currently lined up with I-95 and is about to push east across the city. We can’t stress enough that this is all sticking immediately, and untreated roads/sidewalks/etc. are likely to become a problem pretty quick. |
| It has begun in earnest in Reston. @capitalweather — Brian McNicoll (@McNicollb) February 21, 2015 | It has begun in earnest in Reston. @capitalweather — Brian McNicoll (@McNicollb) February 21, 2015 |
| It has begun in earnest in Reston. @capitalweather | It has begun in earnest in Reston. @capitalweather |
| — Brian McNicoll (@McNicollb) February 21, 2015 | — Brian McNicoll (@McNicollb) February 21, 2015 |
| Lightly snowing in Manassas, starting to cover the road already. @capitalweather @WTOP #longdayahead pic.twitter.com/VpAojPhMQZ — Angie Wanner (@angielynn10) February 21, 2015 | Lightly snowing in Manassas, starting to cover the road already. @capitalweather @WTOP #longdayahead pic.twitter.com/VpAojPhMQZ — Angie Wanner (@angielynn10) February 21, 2015 |
| Lightly snowing in Manassas, starting to cover the road already. @capitalweather @WTOP #longdayahead pic.twitter.com/VpAojPhMQZ | Lightly snowing in Manassas, starting to cover the road already. @capitalweather @WTOP #longdayahead pic.twitter.com/VpAojPhMQZ |
| — Angie Wanner (@angielynn10) February 21, 2015 | — Angie Wanner (@angielynn10) February 21, 2015 |
| Nacho checking out the falling snow on Ashburn. #loudoun @capitalweather @WTOP #vasnow pic.twitter.com/pWYI80lYtn — Guillermo Meneses (@Gil_Meneses) February 21, 2015 | Nacho checking out the falling snow on Ashburn. #loudoun @capitalweather @WTOP #vasnow pic.twitter.com/pWYI80lYtn — Guillermo Meneses (@Gil_Meneses) February 21, 2015 |
| Nacho checking out the falling snow on Ashburn. #loudoun @capitalweather @WTOP #vasnow pic.twitter.com/pWYI80lYtn | Nacho checking out the falling snow on Ashburn. #loudoun @capitalweather @WTOP #vasnow pic.twitter.com/pWYI80lYtn |
| — Guillermo Meneses (@Gil_Meneses) February 21, 2015 | — Guillermo Meneses (@Gil_Meneses) February 21, 2015 |
| 9:40 a.m. initial post: Snow is racing through the area, now about to meet up with most of the I-95 corridor. Thus far, snow is mainly light to occasionally moderate in intensity, but some heavier bursts are also embedded. | 9:40 a.m. initial post: Snow is racing through the area, now about to meet up with most of the I-95 corridor. Thus far, snow is mainly light to occasionally moderate in intensity, but some heavier bursts are also embedded. |
| Short-term modeling and weather radar both suggest we’re in for a snowy rest of the daylight period. | Short-term modeling and weather radar both suggest we’re in for a snowy rest of the daylight period. |
| Below is a look at what the HRRR thinks radar will do into the evening. Note that it expects snow to hang on into evening before any major changeover, something we also anticipate ourselves. | Below is a look at what the HRRR thinks radar will do into the evening. Note that it expects snow to hang on into evening before any major changeover, something we also anticipate ourselves. |