[MCD] SWOMCD

Thu May 4 22:32:07 UTC 2006

ACUS11 KWNS 042231
SWOMCD
SPC MCD 042230 
LAZ000-ARZ000-TXZ000-042330-

MESOSCALE DISCUSSION 0758
NWS STORM PREDICTION CENTER NORMAN OK
0530 PM CDT THU MAY 04 2006

AREAS AFFECTED...FAR SOUTHERN AR/EXTREME NORTHEAST TX INTO NORTHERN
LA

CONCERNING...SEVERE THUNDERSTORM WATCH 288...

VALID 042230Z - 042330Z

VALID PORTION OF SEVERE THUNDERSTORM WATCH CONTINUES UNTIL
00Z...WITH PRIMARY THREAT REMAINING ACROSS NORTHERN LA/SOUTHEAST AR
AND SHIFTING INTO WW 290.

WATER VAPOR IMAGERY FEATURES REMNANT MCV MOVING ESE ACROSS AR AT
THIS TIME. AT 2220Z...SEMI-ORGANIZED ASYMMETRIC MCS MOVING SOUTHEAST
ALONG THE AR/LA BORDER...WITH SMALL SCALE VORTEX EVIDENT NEAR
MONTICELLO IN DREW COUNTY AR...WITH TRAILING PORTION EXTENDING
SOUTHWEST INTO FAR NORTHWEST/NORTH CENTRAL LA. IN ADDITION TO
CONTINUAL ISOLATED SEVERE HAIL/WIND POTENTIAL WITH THIS
MCS...ADDITIONAL PULSE-TYPE ACTIVITY WILL CONTINUE SOUTH OF WW 288
AS AMBIENT AIRMASS REMAINS MODERATELY UNSTABLE ON THE FRINGE OF THE
MCS.

GIVEN EVENTUAL SOUTHEAST MOVEMENT OUT OF WATCH 288...AND NO
ADDITIONAL SEVERE THREAT EXPECTED VIA DEVELOPMENT ABOVE COLD POOL
PER MCV-WAKE SHORTWAVE RIDGING...IT APPEARS WW 288 WILL BE ALLOWED
TO EXPIRE AS SCHEDULED AT 00Z.

..GUYER.. 05/04/2006

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

ATTN...WFO...LZK...SHV...

32539436 33349441 33199304 33719218 31789240 

WWWW