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Context of '2:00 pm August 29, 2005: NHC Advisory: Katrina is still Dangerous, but Continues to Weaken'

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The National Hurricane Center (NHC) issues a special advisory that, with sustained winds of 145 mph, Katrina has become a Category 4 hurricane. Katrina also continues to grow, as hurricane winds now extend 70 miles from the center, and NHC warns that Katrina can yet strengthen, and will likely move northwest later today. Other aspects of the NHC Advisory include:
bullet Location: 310 miles south-southeast of the mouth of the Mississippi River
bullet Direction and Speed: West-northwest at 8 mph
bullet Maximum Sustained Winds: 145 mph, with higher gusts
bullet Estimated Central Pressure: 935 mb
bullet Size: Hurricane force winds extend outward from center up to 75 miles; tropical storm force winds extend outward up to 160 miles [National Hurricane Center, 8/28/2005]

Entity Tags: Hurricane Katrina, National Hurricane Center

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC) warns that Katrina, still a Category 4 hurricane, continues to intensify and grow larger. The NHC reiterates the hurricane warning for Louisiana to Florida, and expands the area covered by a tropical storm warning. It warns further that, “While the details of the landfall intensity cannot be known at this time… Katrina will be a very dangerous hurricane at landfall…. It must be emphasized that the exact landfall point cannot be specified and that Katrina is a large hurricane that will affect a large area,” warns the NHC. “NHC now expects Katrina’s path to move north later today.” Other aspects of the NHC Advisory include:
bullet Location: 275 miles south-southeast of the mouth of the Mississippi River
bullet Direction and Speed: West-northwest at 10 mph
bullet Maximum Sustained Winds: Near 145 mph, with higher gusts
bullet Estimated Central Pressure: 935 mb
bullet Size: Hurricane force winds extend outward from center up to 85 miles; tropical storm force winds extend outward up to 185 miles
bullet Probability that in the next 69 hours, Katrina’s eye will pass within 75 miles of:
bullet Panama City, FL: 11 percent
bullet Gulfport, MS: 26 percent;
bullet New Orleans, LA: 29 percent [National Hurricane Center, 8/28/2005; National Hurricane Center, 8/28/2005; National Hurricane Center, 8/28/2005]

Entity Tags: National Hurricane Center, Hurricane Katrina

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC)‘s midnight advisory leads with: “Potentially catastrophic [Category 5] Hurricane Katrina continues to approach the Northern Gulf Coast…sustained hurricane-force winds nearing the Southeastern Louisiana coast.” Already, a wind gust to 98 mph has been reported from Southwest Pass Louisiana. Katrina remains quite large, and will likely cause storm surge flooding of 18-22 feet above normal, with increased surge to 28 feet in some areas, and may overtop New Orleans’ levees. Some changes to Katrina’s structure indicates that there could be some weakening, although the NHC reiterates that Katrina likely will still be a very dangerous Category 4 hurricane at landfall. Other aspects of the NHC Advisory include:
bullet Location: 90 miles south-southwest of the mouth of the Mississippi River; 150 miles south-southeast of New Orleans
bullet Direction and Speed: North-northwest at near 10 mph
bullet Maximum Sustained Winds: Near 160 mph with higher gusts
bullet Estimated Central Pressure: 908 mb
bullet Size: hurricane winds now extend 105 miles from the center; tropical storm force winds extend 230 miles [National Hurricane Center, 8/29/2005]

Entity Tags: National Hurricane Center, Hurricane Katrina

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC) advises that storm surge flooding of 10 to 15 feet—near the tops of the levees—is still possible in the greater New Orleans area. Katrina’s center has now made landfall again near the Louisiana-Mississippi border, about 35 miles east-northeast of New Orleans, and about 45 miles west-southwest of Biloxi. Now a Category 3 hurricane with sustained winds near 125 mph, Katrina is moving north at nearly 16 mph. The hurricane remains huge, with hurricane force winds extending 105 miles from the center, and tropical storm force winds extending 230 miles. NHC reiterates that storm surge flooding will be 15-20 feet above normal. Minimum central pressure has increased to 927 mb. [National Hurricane Center, 8/29/2005]

Entity Tags: Hurricane Katrina, National Hurricane Center

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC) advises that Katrina is now a Category 2 hurricane with sustained winds of nearly 105 mph. Katrina remains huge, with hurricane force winds extending 125 miles from the center, and tropical storm force winds extending 230 miles. Katrina’s center is now 40 miles south-southwest of Hattiesburg, Mississippi. Minimum central pressure has increased to 940 MB. [National Hurricane Center, 8/29/2005]

Entity Tags: National Hurricane Center, Hurricane Katrina

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC) advises that Katrina is now a still-dangerous Category 1 hurricane, with sustained winds of nearly 95 mph. The hurricane remains huge, with hurricane force winds extending 125 miles from the center, and tropical storm force winds extending 230 miles. Katrina’s center is now 20 miles south-southwest of Hattiesburg, Mississippi. [National Hurricane Center, 8/29/2005]

Entity Tags: Hurricane Katrina, National Hurricane Center

Timeline Tags: Hurricane Katrina

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