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| Version 1 | Version 2 |
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| Hurricane Sandy picks up speed ahead of mid-Atlantic landfall | Hurricane Sandy picks up speed ahead of mid-Atlantic landfall |
| (30 days later) | |
| Guardian US forecaster Harry Enten observes that hurricane Sandy has picked up considerable speed as it approaches the US east coast, going against most forecasts. Here's Harry: | Guardian US forecaster Harry Enten observes that hurricane Sandy has picked up considerable speed as it approaches the US east coast, going against most forecasts. Here's Harry: |
| Proving that it still has surprises, Hurricane Sandy is unexpectedly speeding up to 25 to 30mph. What type of practical effects will this have? | Proving that it still has surprises, Hurricane Sandy is unexpectedly speeding up to 25 to 30mph. What type of practical effects will this have? |
| First, the storm could hit southern New Jersey far earlier than planned. Instead of 8pm to midnight, we could be looking at a landfall around 5pm ET. Expect conditions to rapidly deteriorate from here on out up and down the coast. | First, the storm could hit southern New Jersey far earlier than planned. Instead of 8pm to midnight, we could be looking at a landfall around 5pm ET. Expect conditions to rapidly deteriorate from here on out up and down the coast. |
| Second, the storm has a possibility of slamming into southern New Jersey with low end category 2 hurricane winds of 96mph. Sandy already has maximum winds of 90mph and seems to be strengthening. This will lead to more wind damage and could help allow Sandy to hold onto tropical storm force winds even further inland than expected. | Second, the storm has a possibility of slamming into southern New Jersey with low end category 2 hurricane winds of 96mph. Sandy already has maximum winds of 90mph and seems to be strengthening. This will lead to more wind damage and could help allow Sandy to hold onto tropical storm force winds even further inland than expected. |
| Third, it's possible that rain amounts could lessen because the storm may exit more quickly. We should still see those 10 or 12 inch lollypop totals, but the wider 3-6 inch totals may be more limited. Either way, flooding will still be bad. | Third, it's possible that rain amounts could lessen because the storm may exit more quickly. We should still see those 10 or 12 inch lollypop totals, but the wider 3-6 inch totals may be more limited. Either way, flooding will still be bad. |
| We'll have to keep an eye on Sandy as it may have more tricks up its sleeve yet. | We'll have to keep an eye on Sandy as it may have more tricks up its sleeve yet. |
| Harry explains why Sandy has accelerated, and what are the likely consequences. The storm has transitioned from tropical to extra-tropical storm, he writes: | Harry explains why Sandy has accelerated, and what are the likely consequences. The storm has transitioned from tropical to extra-tropical storm, he writes: |
| The difference between a tropical storm and an extratropical storm is not something that most people ever have to worry about. Tropical storms usually form in the tropics and have warm cores, while extratropical storms form further north and have cold cores. But in the case of Sandy, the difference is important. | The difference between a tropical storm and an extratropical storm is not something that most people ever have to worry about. Tropical storms usually form in the tropics and have warm cores, while extratropical storms form further north and have cold cores. But in the case of Sandy, the difference is important. |
| Extratropical storms move at a faster pace, so that's why the storm is speeding up right now. | Extratropical storms move at a faster pace, so that's why the storm is speeding up right now. |
| Extratropical storms are wider in nature. In Sandy's case, this means that the 940 millibar low of Sandy isn't producing winds of 111+mph winds at its core. Instead those winds are spread out over a wider distance. That means less extreme damage in the immediate path of the storm, but effects over a larger area. | Extratropical storms are wider in nature. In Sandy's case, this means that the 940 millibar low of Sandy isn't producing winds of 111+mph winds at its core. Instead those winds are spread out over a wider distance. That means less extreme damage in the immediate path of the storm, but effects over a larger area. |
| By moving faster, Sandy's rainfall may be somewhat lesser in some areas. Sandy also looks to come aboard before high tide. The wind field may be more west oriented in nature instead of north-east. Thus, New York City, which is to the north-east of the storm, may benefit from two factors that may limit the worst coastal flooding. | By moving faster, Sandy's rainfall may be somewhat lesser in some areas. Sandy also looks to come aboard before high tide. The wind field may be more west oriented in nature instead of north-east. Thus, New York City, which is to the north-east of the storm, may benefit from two factors that may limit the worst coastal flooding. |
| Because the storm has picked up speed, landfall could be earlier than expected, in the early evening, well before high tide in New York harbor at 8.53pm. | Because the storm has picked up speed, landfall could be earlier than expected, in the early evening, well before high tide in New York harbor at 8.53pm. |
| The storm was 175 miles from NYC and 110 miles from Atlantic City, New Jersey. | The storm was 175 miles from NYC and 110 miles from Atlantic City, New Jersey. |
| "The center of Sandy is expected to make landfall along or just south of the southern New jersey coast by early evening," the advisory says. | "The center of Sandy is expected to make landfall along or just south of the southern New jersey coast by early evening," the advisory says. |
| • Follow all the latest updates on the storm in our hurricane Sandy live blog | • Follow all the latest updates on the storm in our hurricane Sandy live blog |
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