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Context of '5:00 pm EDT August 23, 2005: National Hurricane Center issues first Advisory for Tropical Depression 12'

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The National Hurricane Center (NHC) issues its first advisory for Tropical Depression 12, noting that a tropical storm or hurricane watch may be required for southern Florida later in the evening. [National Hurricane Center, 8/23/2005] The NHC probabilities notice indicates Miami and West Palm Beach, Florida are most likely to be directly impacted. [National Hurricane Center, 8/23/2005]

Entity Tags: National Hurricane Center, Hurricane Katrina

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC) issues its third advisory for Tropical Depression 12, indicating that the storm is organizing and moving northwest. The tropical storm watch for portions of the Florida Keys and Florida East Coast remains in effect. A hurricane watch may be required later today for portions of the Florida East Coast. [National Hurricane Center, 8/24/2005]

Entity Tags: National Hurricane Center, Hurricane Katrina

Timeline Tags: Hurricane Katrina

The National Hurricane Center (NHC) issues its fourth advisory for Tropical Depression 12, upgrading its forecast to a tropical storm warning and a hurricane watch for the Southeast Florida Coast from Vero Beach to Florida City. A hurricane watch means that hurricane conditions are possible within the watch area, generally within 36 hours. [National Hurricane Center, 8/24/2005]

Entity Tags: National Hurricane Center, Hurricane Katrina

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) 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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