Dangerous Weather Situation for Texas

AREA WEATHER UPDATE 
NATIONAL WEATHER SERVICE FORT WORTH TX
1247 PM CDT FRI APR 13 2007

..MESOSCALE UPDATE FOR NORTH TEXAS

POTENTIALLY EXPLOSIVE SITUATION SETTING UP ACROSS PARTS OF NORTH
TEXAS. WARM FRONT AT 1700Z WAS ANALYZED FROM CISCO TO DUBLIN TO WACO
TO FAIRFIELD TO NORTH OF PALESTINE. FRONT WAS CONTINUING TO SURGE
NORTH WITH SBCAPES ALREADY OVER 1000 J/KG SOUTH OF THE FRONT.

DEEP LAYER SHEAR VALUES WERE 45-55 KTS ACROSS NORTH TEXAS WITH VERY
IMPRESSIVE LOW LEVEL SHEAR VALUES OF 30-40 KTS. CONTINUED
DESTABILIZATION WITH SURGING WARM FRONT...LOW LCL HEIGHTS...AND
ENHANCED SHEAR/HELICITY ALONG THE WARM FRONT WILL LEAD TO THE
POSSIBILITY OF LONG-TRACKED TORNADOES WITH SUPERCELLS THAT CAN
DEVELOP AND MOVE ALONG THE FRONT.

AREA OF CONCERN THROUGH ABOUT 20Z WILL BE WEST OF FORT WORTH WHERE
SPC HAS ISSUED FIRST TORNADO WATCH. AFTER 20Z...WILL WANT TO CLOSELY
MONITOR CONVECTIVE INITIATION NEAR THE WARM FRONT SOUTH AND
SOUTHEAST OF DFW AREA WHERE PARAMETERS APPEARING TO COME TOGETHER
FOR A TORNADO OUTBREAK.

PATRICK
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About Putnam Reiter

Putnam has been storm chasing since 1990 and is a co-founder of Hook-Echo.com. For his day job, Putnam works in emergency management for information technology.
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