SWOMCD
SPC MCD 252240
MSZ000-LAZ000-260015-
MESOSCALE DISCUSSION 0588
NWS STORM PREDICTION CENTER NORMAN OK
0540 PM CDT WED APR 25 2007
AREAS AFFECTED...WRN/CNTRL MS
CONCERNING...TORNADO WATCH 188...
VALID 252240Z - 260015Z
THE SEVERE WEATHER THREAT FOR TORNADO WATCH 188 CONTINUES.
LOCAL RADAR DATA FROM JACKSON MS INDICATES OUTFLOW BOUNDARY HAS
OUTRUN MAIN CONVECTIVE LINE...WITH OUTFLOW NOW EXTENDING FROM AROUND
35 SE GWO/JAN/15 NNW MCB. THE SEVERE THREAT HAS DIMINISHED
CONSIDERABLY ACROSS THE WRN PORTION OF WW 188...AS EXTENSIVE AREA OF
HEAVY RAIN HAS STABILIZED THE AIRMASS.
NEW STORMS ARE FORMING ACROSS SERN LA THROUGH ERN MS/FAR WRN AL.
THESE STORMS ARE DEVELOPING WITHIN A WEAKLY UNSTABLE ENVIRONMENT
CHARACTERIZED BY AROUND 500 J/KG. THE DEEP LAYER SHEAR REMAINS QUITE
STRONG ACROSS MUCH OF MS ALTHOUGH IT IS LARGELY UNIDIRECTIONAL. 18Z
SOUNDINGS FROM JACKSON AND NEW ORLEANS SUGGESTED THERE WERE STILL
RATHER WARM MID LEVEL TEMPERATURES...WHICH HAS BEEN LIMITING LAPSE
RATES THUS FAR. WATER VAPOR LOOPS DEPICT APPROACHING SHORTWAVE
TROUGH FROM ERN TX...WHICH WILL INCREASE LARGE SCALE FORCING AND
MAINTAIN FAVORABLE ENVIRONMENT FOR STRONG TO SEVERE STORMS THIS
EVENING.
.TAYLOR.. 04/25/2007
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...JAN...LIX...LCH...
30979045 31079171 32889073 33639006 33648851
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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