Wednesday, August 24, 2011

KKEY [250030]: Preliminary Local Storm Report

NWUS52 KKEY 250030
LSRKEY

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE KEY WEST FL
830 PM EDT WED AUG 24 2011

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0651 PM TSTM WND DMG 1 SW SHARK KEY 24.60N 81.65W
08/24/2011 LOWER KEYS IN MONR FL NWS EMPLOYEE

AN OFF-DUTY NATIONAL WEATHER SERVICE METEOROLOGIST
ESTIMATED A THUNDERSTORM WIND GUST OF 50 MPH IN AN
APPARENT MICROBURST ON BIG COPPITT KEY. A MATURE SEA
GRAPE TREE WITH A 6-13 INCH DIAMETER BASE WAS TOPPLED
DURING THE STORM.

0723 PM MARINE TSTM WIND 10 SW KEY WEST 24.46N 81.89W
08/24/2011 M41.00 MPH GMZ044 FL C-MAN STATION

A WIND GUST OF 36 KNOTS...41 MPH...FROM THE
EAST-NORTHEAST WAS RECORDED AT THE SAND KEY LIGHT C-MAN
STATION DURING A THUNDERSTORM GUST FRONT PASSAGE.
ANEMOMETER HEIGHT 149 FEET ABOVE SEA LEVEL.


&&
DEVELOPING PULSE THUNDERSTORMS ALONG A NORTHEAST-TO-SOUTHWEST
ORIENTED...LOWER KEYS-INDUCED CONVERGENCE ZONE WERE ENHANCED BY AN
OUTFLOW BOUNDARY INTERSECTION. THE OUTFLOW BOUNDARY MOVED SOUTHWARD
OVER THE EXTREME SOUTHEASTERN GULF OF MEXICO...HAVING BEEN INITIATED
BY A CLUSTER OF THUNDERSTORMS WHICH DEVELOPED NEAR NORTHWEST CAPE
SABLE.
$$

KASPER

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