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NHC Public Advisory #20
REPORTS FROM AN AIR FORCE RECONNAISSANCE AIRCRAFT INDICATE THAT
MAXIMUM SUSTAINED WINDS HAVE INCREASED AND ARE NOW NEAR 145
MPH...WITH HIGHER GUSTS. KATRINA IS A CATEGORY FOUR HURRICANE ON
THE SAFFIR-SIMPSON SCALE. SOME ADDITIONAL STRENGTHENING IS POSSIBLE
HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 70 MILES...110 KM...
FROM THE CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP
TO 160 MILES...260 KM.
THE MINIMUM CENTRAL PRESSURE RECENTLY REPORTED BY THE RECONNAISSANCE
AIRCRAFT WAS 935 MB...27.61 INCHES.
COASTAL STORM SURGE FLOODING OF 15 TO 20 FEET ABOVE NORMAL TIDE
LEVELS...LOCALLY AS HIGH AS 25 FEET ALONG WITH LARGE AND DANGEROUS
BATTERING WAVES...CAN BE EXPECTED NEAR AND TO THE EAST OF WHERE THE
CENTER MAKES LANDFALL.
HEAVY RAINS FROM KATRINA SHOULD BEGIN TO AFFECT THE CENTRAL GULF
COAST SUNDAY EVENING. RAINFALL TOTALS OF 5 TO 10 INCHES...WITH
ISOLATED MAXIMUM AMOUNTS OF 15 INCHES...ARE POSSIBLE ALONG THE PATH
OF KATRINA. THE HURRICANE IS STILL EXPECTED TO PRODUCE ADDITIONAL
RAINFALL AMOUNTS OF 2 TO 4 INCHES OVER EXTREME WESTERN CUBA...AND 1
TO 3 INCHES OF RAINFALL IS EXPECTED OVER THE YUCATAN PENINSULA.
Originally posted by djohnsto77
I have a really bad feeling about this storm...New Orleans, like Amsterdam, is below sea level and is especially vulnerable to storms like this. If it hits in the right direction it could almost obliterate the city.
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Storm surges of up to 28 feet topped by waves up to 30 feet were possible in some areas, hurricane center meteorologist Chris Sisko said. Camille has the record for storm surges at 24 feet.