Recon reports from Bonnie and Charley

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The Dark Knight
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#21 Postby The Dark Knight » Wed Aug 11, 2004 8:11 am

True, anything IS possible...
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#22 Postby HURAKAN » Wed Aug 11, 2004 8:13 am

Hyperstorm wrote:
Thunder44 wrote:It may not be a hurricane at 11am. 12z Models initialized at 60kts winds, 995mb pressure. I think they may be using a lower estimate with this storm.

http://net-waves.com/weather/model.php


Probably because of the pressure. 995mb NORMALLY doesn't support hurricane force winds, but many tropical storms have been hurricanes at this pressure. I was referencing Debby which also had a similar satellite presentation and, coincidentally, a similar pressure when it was a hurricane.

Anything is possible...


Here is Debby's first advisory as hurricane


ZCZC MIATCPAT2 ALL
TTAA00 KNHC DDHHMM COR
BULLETIN
HURRICANE DEBBY INTERMEDIATE ADVISORY NUMBER 10A
NATIONAL WEATHER SERVICE MIAMI FL
2 AM AST TUE AUG 22 2000

...CORRECTED TO ADD DISTANCE OF HURRICANE FORCE WINDS...

...DEBBY STRENGTHENS TO A HURRICANE AS IT NEARS ANTIGUA AND
BARBUDA...

HURRICANE WARNINGS REMAIN IN EFFECT FOR THE LEEWARD ISLANDS FROM
GUADELOUPE NORTH AND NORTHWESTWARD THROUGH THE BRITISH AND THE U.S.
VIRGIN ISLANDS AND PUERTO RICO AND ITS SURROUNDING ISLANDS. A
TROPICAL STORM WARNING REMAINS IN EFFECT FOR DOMINICA...AND FOR THE
COAST OF THE DOMINICAN REPUBLIC FROM PUNTA PALENQUE TO CABRERA.

A HURRICANE WATCH IS IN EFFECT FOR NORTHERN HAITI NORTH OF PORT AU
PRINCE.

A TROPICAL STORM WATCH IS IN EFFECT FOR THE SOUTHEASTERN BAHAMAS.

AT 2 AM AST...0600Z...THE CENTER OF HURRICANE DEBBY WAS LOCATED NEAR
LATITUDE 17.5 NORTH...LONGITUDE 61.7 WEST OR JUST SOUTHEAST OF THE
ISLAND OF BARBUDA IN THE NORTHERN LEEWARD ISLANDS.

DEBBY IS MOVING TOWARD THE WEST-NORTHWEST NEAR 20 MPH...32 KM/HR...
AND THIS MOTION IS EXPECTED TO CONTINUE TODAY. THIS MOTION WILL
MOVE DEBBY DIRECTLY OVER THE NORTHERN LEEWARD ISLANDS TODAY.

REPORTS FROM AN AIR FORCE RESERVE HURRICANE HUNTER AIRCRAFT INDICATE
THAT MAXIMUM SUSTAINED WINDS HAVE INCREASED TO NEAR 75 MPH...120
KM/HR...WITH HIGHER GUSTS. SOME ADDITIONAL STRENGTHENING IS
POSSIBLE DURING THE NEXT 24 HOURS.

HURRICANE FORCE WINDS EXTEND OUTWARD UP TO 20 MILES FROM THE
CENTER...AND TROPICAL STORM FORCE WINDS EXTEND OUTWARD UP TO 175
MILES ...280 KM...MAINLY TO THE NORTH OF THE CENTER.

THE LATEST PRESSURE REPORTED BY THE HURRICANE HUNTER IS 994 MB
...29.35 INCHES.

STORM SURGE FLOODING OF 1 TO 3 FEET ABOVE NORMAL TIDE LEVELS...WITH
DANGEROUS BATTERING WAVES...IS EXPECTED OVER PORTIONS OF THE WARNED
AREAS.

RAINFALL TOTALS OF 4 TO 6 INCHES...HIGHER OVER MOUNTAINOUS AREAS...
ARE EXPECTED ALONG THE PATH OF THE STORM. THESE RAINS COULD CAUSE
LIFE-THREATENING FLASH FLOODS AND MUD SLIDES.

REPEATING THE 2 AM AST POSITION...17.5 N... 61.7 W. MOVEMENT
TOWARD...WEST-NORTHWEST NEAR 20 MPH. MAXIMUM SUSTAINED WINDS...
75 MPH. MINIMUM CENTRAL PRESSURE... 994 MB.

FOR STORM INFORMATION SPECIFIC TO YOUR AREA...PLEASE MONITOR
PRODUCTS ISSUED BY YOUR LOCAL WEATHER OFFICE.

THE NEXT ADVISORY WILL BE ISSUED BY THE NATIONAL HURRICANE
CENTER AT 5 AM AST.
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