!! History Commons Alert, Exciting News Context of '11:00 pm EDT August 23, 2005: NHC Advisory: Tropical Depression 12 is Organizing' This is a scalable context timeline. It contains events related to the event 11:00 pm EDT August 23, 2005: NHC Advisory: Tropical Depression 12 is Organizing. You can narrow or broaden the context of this timeline by adjusting the zoom level. The lower the scale, the more relevant the items on average will be, while the higher the scale, the less relevant the items, on average, will be.
The National Hurricane Center (NHC) issues its second forecast/advisory for Tropical Depression 12, indicating that the storm is organizing and moving northwest. It issues a tropical storm watch for portions of the Florida Keys and Florida East Coast. A tropical storm watch means that tropical storm conditions are possible within the watch area, generally within 36 hours. [National Hurricane Center, 8/23/2005] 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] The National Hurricane Center (NHC) issues its fifth forecast/advisory. Tropical Depression 12 has been upgraded to Tropical Storm Katrina. The NHC expects additional strengthening in the next 24 hours. The NHC models indicate that Katrina will keep building slowly eastward, moving across South Florida over the next 36-48 hours and into the Gulf of Mexico within 72 hours. The models, however, are inconsistent in predicting the next landfall. One model indicates Katrina will hit New Orleans, others indicate Katrina will make second landfall on the Northern Florida Peninsula. Other aspects of the NHC Advisory include:
Location: At 25.6 N, 77.2 W
Direction and speed: NW at 9 mph
Maximum Sustained Winds: Near 45 mph with higher gusts
Probability that Katrina’s eye will pass within 75 miles of:
West Palm Beach, FL: 29 percent
Panama City, FL: 10 percent
Gulfport, MS: 3 percent
New Orleans, LA: 2 percent
[National Hurricane Center, 8/24/2005; National Hurricane Center, 8/24/2005; National Hurricane Center, 8/24/2005] 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] 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]
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