MESOSCALE DISCUSSION 0648
NWS STORM PREDICTION CENTER NORMAN OK
1005 AM CDT TUE MAY 11 2004
AREAS AFFECTED...S TX
CONCERNING...SEVERE THUNDERSTORM POTENTIAL
VALID 111505Z - 111700Z
CONDITIONS APPEAR FAVORABLE FOR BOW ECHO STORMS OVER LA_SALLE COUNTY
TO PERSIST NEXT 3 HOURS OR SO. THIS STORM WILL POSE A THREAT FOR
DAMAGING WIND AS IT CONTINUES SEWD THROUGH S TX. WW MAY BE NEEDED
SHORTLY.
BOW ECHO STORM OVER LA_SALLE COUNTY IS MOVING ESEWD AT AROUND 30 KT.
THE ATMOSPHERE DOWNSTREAM FROM THE STORM IS DESTABILIZING WITH
MLCAPE FROM 2000 TO 2500 J/KG AND WEAK CAP. MOIST UNSTABLE SELY LOW
LEVEL INFLOW SHOULD CONTINUE TO SUPPORT A FORWARD PROPAGATING SYSTEM
THROUGH THE REMAINDER OF S TX THROUGH 19Z WITH THREAT FOR ISOLATED
DAMAGING WIND AND HAIL.
..DIAL.. 05/11/2004
ATTN...WFO...CRP...EWX...
27879928 28739888 28739739 27909688 27639861
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