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Context of '10:30 am August 26, 2005: NHC Special Advisory: Katrina Now a Category 2 Hurricane; Rapidly Strengthening'

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The National Hurricane Center (NHC) issues a special advisory that Katrina, now a Category 2 hurricane, is rapidly gaining strength as it moves westward. Forecasters expect Katrina to strengthen during the next 24 hours and may become a Category 3 hurricane. Given the drop in pressure, the NHC predicts that Katrina will rapidly strengthen to near Category 4 hurricane within 72 hours. (In fact, Katrina will become a Category 4 hurricane in 61 hours (see 1:00 am August 28, 2005), and will make landfall in only 67 hours .) Other aspects of the NHC Advisory include:
bullet Location: 25.1 N, 82.2 W
bullet Direction and Speed: West near 7 mph
bullet Maximum Sustained Winds: Near 100 mph with higher gusts
bullet Estimated Central Pressure: 971 mb
bullet Probability that in the next 69 hours, Katrina’s eye will pass within 75 miles of:
bullet Panama City, FL: 18 percent
bullet Gulfport, MS: 13 percent
bullet New Orleans, LA: 11 percent [National Hurricane Center, 8/26/2005; National Hurricane Center, 8/26/2005; National Hurricane Center, 8/26/2005]

Entity Tags: Hurricane Katrina, National Hurricane Center

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC) reports that Katrina, now a Category 2 hurricane, continues to move west-southwest away from Florida, and is expected to gradually turn west on Saturday. Models have now shifted significantly westward. The NHC states that the “projected landfall is still about 72 hours away.” (In fact, Katrina will make landfall in only 55 hours.) The NHC expects that Katrina will strengthen over the next 24 hours, becoming a Category 3—or major—hurricane later today, and may be a Category 4 hurricane at landfall. Other aspects of the NHC Advisory include:
bullet Location: 24.8 N, 82.9 W (approximately 70 miles west-northwest of Key West, Florida)
bullet Direction and Speed: West-southwest at near 8 mph
bullet Maximum Sustained Winds: Near 100 mph with higher gusts
bullet Estimated Central Pressure: 965 mb
bullet Size: Hurricane force winds extend outward from the center up to 25 miles; and tropical storm force winds extend up to 85 miles
bullet Probability that in the next 69 hours, Katrina’s eye will pass within 75 miles of:
bullet Panama City, FL: 17 percent
bullet Gulfport, MS: 16 percent
bullet New Orleans, LA: 15 percent [National Hurricane Center, 8/26/2005; National Hurricane Center, 8/26/2005; National Hurricane Center, 8/26/2005]

Entity Tags: Hurricane Katrina, National Hurricane Center

Timeline Tags: Hurricane Katrina

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 is now a “potentially catastrophic Category 5 hurricane” and is headed for the Northern Gulf Coast. Although the NHC cannot predict the exact strength at landfall, Katrina is “expected to be a devastating Category 4 or 5 hurricane at landfall.” The NHC forecasts coastal storm surge flooding 15 to 20 feet above normal tide levels, with higher surges of up to 25 feet, as well as large and dangerous battering waves near and to the east of where the center makes landfall. Other aspects of the NHC Advisory include:
bullet Location: 250 miles south-southeast of the mouth of the Mississippi River
bullet Direction and Speed: West-northwest at 12 mph
bullet Maximum Sustained Winds: Near 160 mph, with higher gusts
bullet Estimated Central Pressure: 908 mb [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) 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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