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| Tropical Storm Isaac loses steam over Louisiana | Tropical Storm Isaac loses steam over Louisiana |
| (1 day later) | |
| Tropical Storm Isaac, downgraded from a hurricane, is gradually losing steam but still bringing heavy rains and floods to southern US states. | Tropical Storm Isaac, downgraded from a hurricane, is gradually losing steam but still bringing heavy rains and floods to southern US states. |
| Isaac is expected to lose its tropical storm status late Thursday as it heads north towards Arkansas and Missouri. | Isaac is expected to lose its tropical storm status late Thursday as it heads north towards Arkansas and Missouri. |
| The centre of the storm has now passed New Orleans, seven years after the devastating and much stronger Hurricane Katrina. | The centre of the storm has now passed New Orleans, seven years after the devastating and much stronger Hurricane Katrina. |
| Isaac was downgraded from a hurricane on Wednesday afternoon. | Isaac was downgraded from a hurricane on Wednesday afternoon. |
| At 07:00 (12:00 GMT), the centre of the storm was over Louisiana and would continue to move over the state during the course of Thursday, the US National Hurricane Center (NHC) said. | At 07:00 (12:00 GMT), the centre of the storm was over Louisiana and would continue to move over the state during the course of Thursday, the US National Hurricane Center (NHC) said. |
| Although no longer a hurricane, Isaac still poses a threat to life because of storm surges, floods and tornadoes, the NHC says. | Although no longer a hurricane, Isaac still poses a threat to life because of storm surges, floods and tornadoes, the NHC says. |
| Along the shores of Lake Ponchartrain just north of New Orleans, dozens of buses and high-water vehicles were sent to evacuate some 3,000 people as waters rose fast - it was waist-high in some areas, the Associated Press news agency reports. | Along the shores of Lake Ponchartrain just north of New Orleans, dozens of buses and high-water vehicles were sent to evacuate some 3,000 people as waters rose fast - it was waist-high in some areas, the Associated Press news agency reports. |
| The Louisiana National Guard was working with sheriff's deputies to rescue people stranded in their homes, AP says. | The Louisiana National Guard was working with sheriff's deputies to rescue people stranded in their homes, AP says. |
| The floodwaters "were shockingly fast-rising, from what I understand from talking to people," Lt Gov Jay Dardenne said. "It caught everybody by surprise." | The floodwaters "were shockingly fast-rising, from what I understand from talking to people," Lt Gov Jay Dardenne said. "It caught everybody by surprise." |
| Nearly a million people across four states in the region are now without power. | Nearly a million people across four states in the region are now without power. |
| Curfew imposed | Curfew imposed |
| Isaac had top sustained winds of 45mph (70 km/h) early on Thursday as its centre moved over southern Louisiana. | Isaac had top sustained winds of 45mph (70 km/h) early on Thursday as its centre moved over southern Louisiana. |
| An overnight curfew in New Orleans was declared by the city mayor. | An overnight curfew in New Orleans was declared by the city mayor. |
| The city's multibillion-dollar barriers have stood firm, but areas to the north and south of the city were flooded and people there had to be evacuated or rescued. | The city's multibillion-dollar barriers have stood firm, but areas to the north and south of the city were flooded and people there had to be evacuated or rescued. |
| "Hurricane Isaac has reinforced for us once again just how vulnerable these critical areas are," Louisiana Senator Mary Landrieu said on Thursday. "We must re-engage the Corps of Engineers on this." | "Hurricane Isaac has reinforced for us once again just how vulnerable these critical areas are," Louisiana Senator Mary Landrieu said on Thursday. "We must re-engage the Corps of Engineers on this." |
| Sea water breached a levee in the town of Plaquemines Parish, south of the city, which bore the brunt of the storm in the area. | Sea water breached a levee in the town of Plaquemines Parish, south of the city, which bore the brunt of the storm in the area. |
| Storm surges are still a concern, with peaks of up to 10ft (3m) forecast in parts of Mississippi and south-eastern Louisiana. | Storm surges are still a concern, with peaks of up to 10ft (3m) forecast in parts of Mississippi and south-eastern Louisiana. |
| Rainfall of up to 25in (63cm) is expected across wide areas, with a high chance of isolated tornadoes along the coast. | Rainfall of up to 25in (63cm) is expected across wide areas, with a high chance of isolated tornadoes along the coast. |
| On Wednesday, President Barack Obama declared an emergency in Louisiana and Mississippi, allowing federal funds to be released to local authorities. | On Wednesday, President Barack Obama declared an emergency in Louisiana and Mississippi, allowing federal funds to be released to local authorities. |
| Isaac is expected to move further inland over the next several days before breaking up during the weekend. | Isaac is expected to move further inland over the next several days before breaking up during the weekend. |
| Isaac killed at least 24 people as it passed over Haiti and the Dominican Republic earlier this week. | Isaac killed at least 24 people as it passed over Haiti and the Dominican Republic earlier this week. |
| It also caused significant flooding and damage across the Caribbean and forced a day's delay to the start of the Republican party's congress in Tampa, Florida. | It also caused significant flooding and damage across the Caribbean and forced a day's delay to the start of the Republican party's congress in Tampa, Florida. |