Blackie (hyperwolf5150) wrote in storm_chasers,
Blackie
hyperwolf5150
storm_chasers

Good luck to everyone out there.

PUBLIC SEVERE WEATHER OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0550 AM CDT FRI APR 23 2010

...SEVERE THUNDERSTORMS EXPECTED OVER PARTS OF THE LOWER MISSISSIPPI
VALLEY THIS AFTERNOON AND TONIGHT...

THE NWS STORM PREDICTION CENTER IN NORMAN OK IS FORECASTING THE
DEVELOPMENT OF A FEW STRONG TORNADOES OVER PARTS OF THE LOWER
MISSISSIPPI VALLEY THIS AFTERNOON AND TONIGHT.

THE AREAS MOST LIKELY TO EXPERIENCE THIS ACTIVITY INCLUDE

ARKANSAS
NORTHERN LOUISIANA
NORTHERN AND WESTERN MISSISSIPPI
WESTERN TENNESSEE
NORTHEAST TEXAS

ELSEWHERE...SEVERE STORMS ARE ALSO POSSIBLE FROM...ERN PORTIONS OF
THE SRN PLAINS...THE MID MS VALLEY AND NEB

AN OCCLUDED SURFACE LOW OVER SRN CO WILL MOVE EWD THROUGH WRN AND
NRN KS TODAY AND TONIGHT IN ASSOCIATION WITH UPPER TROUGH MOVING EWD
THROUGH THE SRN AND CNTRL PLAINS. A TRAILING COLD FRONT WILL ADVANCE
THROUGH OK AND TX REACHING THE ERN PARTS OF THESE STATES LATE
TONIGHT. A WARM FRONT WILL LIFT NWD THROUGH ERN NEB...NRN MO AND IA.


INFLUX OF WARM...MOIST AIR WITH UPPER 60S DEWPOINTS WILL SPREAD NWD
THROUGH ERN TX AND THE LOWER MS VALLEY ALONG A STRONG SWLY LOW-LEVEL
JET. THE RAPID INCREASE IN MOISTURE WILL BE THE PRIMARY
DESTABILIZING INFLUENCE...WITH MODERATE INSTABILITY EXPECTED OVER
MUCH OF THIS AREA TODAY. A CAPPING INVERSION WILL INITIALLY SERVE TO
INHIBIT THE DEVELOPMENT OF STRONG STORMS. HOWEVER...A ZONE OF
INCREASING UPPER DIVERGENCE AND LARGE-SCALE ASCENT AHEAD OF EWD
MOVING UPPER TROUGH MAY HELP TO WEAKEN THE CAP ENOUGH FOR STORMS TO
DEVELOP AHEAD OF THE COLD FRONT BY THIS AFTERNOON AND POSSIBLY AS
EARLY AS LATE MORNING. DEEP LAYER VERTICAL SHEAR WILL INCREASE TO IN
EXCESS OF 50 KT AND BECOME SUPPORTIVE OF SUPERCELLS AND BOW ECHOES.
A FEW STRONG TORNADOES...LARGE HAIL AND DAMAGING WIND WILL BE
POSSIBLE AS STORMS DEVELOP NEWD THROUGH THE LOWER MS VALLEY.

A SECOND ROUND OF SEVERE STORMS WILL LIKELY DEVELOP LATE TONIGHT AS
ANOTHER SHORTWAVE TROUGH MOVES EWD THROUGH TX RESULTING IN A
SUBSTANTIAL INCREASE IN FORCING FOR ASCENT ALONG WITH AN INCREASE IN
THE SWLY LOW LEVEL JET. DAMAGING WIND...LARGE HAIL AND TORNADOES
WILL BE POSSIBLE.

Everyone stay safe. This one looks like a copy of the Feburary 5th, 2008 outbreak.
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