Severe Thunderstorm Watch 20090614

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wb5rmg
Posts: 350
Joined: Fri Sep 05, 2008 9:47 pm
First Name: Alan
Last Name: Sieg
City: Madison
State: AL
Mail Zip Code: 35758
License Class: Extra
Location: Sullivan @ Browns Ferry in Madison, AL
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Severe Thunderstorm Watch 20090614

Post by wb5rmg » Sun Jun 14, 2009 10:10 am

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 406
NWS STORM PREDICTION CENTER NORMAN OK
850 AM CDT SUN JUN 14 2009

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

NORTHERN ALABAMA
PARTS OF NORTHEAST MISSISSIPPI

EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 850 AM UNTIL 300
PM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 45 MILES SOUTHWEST
OF TUPELO MISSISSIPPI TO 35 MILES EAST NORTHEAST OF GADSDEN
ALABAMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

DISCUSSION...MATURE MCS WITH 40-50KT REAR INFLOW JET CONTINUES ESEWD
ACROSS NRN MS INTO AL. WITH A MDTLY UNSTABLE AND WEAKLY CAPPED AIR
MASS IN ADVANCE OF MCS...THE WIND DAMAGE POTENTIAL EXPECTED TO
INCREASE AS BOUNDARY LAYER HEATS OVER AL.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
MOTION VECTOR 28035.


...HALES
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###### WB5RMG is Alan Sieg ## http://wb5rmg.wordpress.com ######
ARRL/ARES Assistant Emergency Coordinator, Madison County Alabama

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