SWOMCD
SPC MCD 301823
LAZ000-TXZ000-302000-
MESOSCALE DISCUSSION 0930
NWS STORM PREDICTION CENTER NORMAN OK
0123 PM CDT WED MAY 30 2007
AREAS AFFECTED...PARTS OF SE TX...SW LA
CONCERNING...SEVERE THUNDERSTORM WATCH 310...
VALID 301823Z - 302000Z
THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 310
CONTINUES.
WW MAY NEED TO BE EXTENDED LOCALLY FOR A COUPLE OF HOURS ACROSS
PARTS OF SOUTHEAST TEXAS/EXTREME SOUTHWEST LOUISIANA.
WHILE MID-LEVEL INHIBITION REMAINS CONSIDERABLE TO THE WEST...
LATEST RUC GUIDANCE INDICATES THAT HEATED MOIST BOUNDARY LAYER
NORTH/NORTHEAST OF GALVESTON BAY IS BECOMING UNCAPPED...WITH CAPE IN
EXCESS OF 2000 J/KG. FORCING ALONG SURFACE COLD POOL APPROACHING
LUFKIN HAS MAINTAINED SUFFICIENT STRENGTH TO SUPPORT CONTINUING
VIGOROUS CONVECTIVE DEVELOPMENT...WHICH STILL SEEMS LIKELY TO
INTENSIFY IN THE PEAK AFTERNOON HEATING. FLOW FIELDS/ VERTICAL
SHEAR ARE WEAK AND PROGRESSIVELY WEAKER WITH SOUTHWARD EXTENT INTO
UPPER TEXAS COASTAL AREAS. HOWEVER...UNSATURATED LOW/ MID
TROPOSPHERE IS STILL EXPECTED TO PROMOTE CONSIDERABLE EVAPORATIVE
COOLING NEAR HEAVY RAIN CORES...ALONG WITH A FEW DOWNBURSTS.
AND...SURFACE COLD POOL MAY SURGE SOUTHWARD INTO UPPER TEXAS COASTAL
AREAS WITH BROADER SCALE STRONG GUSTY WINDS APPROACHING OR BRIEFLY
EXCEEDING SEVERE LIMITS BY 21-22Z.
.KERR.. 05/30/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...LCH...SHV...HGX...
31699489 31859394 31299336 30469312 29989324 29609399
29609501 29979544 30809542 31209537
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@PO.UIUC.EDU with
"unsub wx-storm" in the body of your message. For more information write chris@lib.siu.edu.
No comments:
Post a Comment