[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 042208
SWOMCD
SPC MCD 042208 
LAZ000-TXZ000-050015-

MESOSCALE DISCUSSION 1087
NWS STORM PREDICTION CENTER NORMAN OK
0508 PM CDT FRI JUN 04 2004

AREAS AFFECTED...SERN TX/SWRN LA

CONCERNING...SEVERE THUNDERSTORM POTENTIAL 

VALID 042208Z - 050015Z

ISOLATED DAMAGING WET MICROBURSTS WILL BE POSSIBLE WITH CONVECTION
OVER SERN TX/SWRN LA FOR THE NEXT FEW HOURS AS IT MOVES SSEWD AROUND
5-10 KTS. ADDITIONALLY...SLOW MOVEMENT AND CONTINUED FOCUS FOR
REDEVELOPMENT UPSTREAM TO THE NORTH OF CLL WILL AID IN A THREAT FOR
LOCALLY HEAVY RAINFALL RATES AS WELL.

VERY UNSTABLE AIR EXISTS OVER SERN TX/SWRN LA WITH MLCAPES FROM
3000-3500 J/KG. WEAKNESS IN MID LEVEL FLOW WILL LIMIT THE OVERALL
SEVERE POTENTIAL TO ISOLATED WET MICROBURSTS WITH DAMAGING WINDS THE
PRIMARY THREAT. SLOW SSE STORM MOTIONS AROUND 5 KTS...ALONG WITH THE
POTENTIAL CONTINUED BACKBUILDING OF CONVECTION NWWD INTO ECENTRAL TX
 AIDED BY AN MCV OVER ERN OK INCREASING LOW LEVEL CONVERGENCE ALONG
THE BOUNDARY. THE GREATEST THREAT FOR EXCESSIVE RAINFALL RATES WILL
BE FROM LEON CO SEWD INTO THE NRN HOU METRO AND BEAUMONT AREAS OVER
THE NEXT FEW HOURS. VERY HIGH PW/S WILL SUPPORT RAINFALL RATES FROM
2-3 IN/HR ALONG THIS CORRIDOR.

..CROSBIE.. 06/04/2004

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...LCH...SHV...HGX...FWD...

29569490 30339579 31179603 31529536 31029392 29739379 

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