Saturday, June 11, 2011

MESO: Mesoscale Discussion 1183

ACUS11 KWNS 111929
SWOMCD
SPC MCD 111928
OKZ000-TXZ000-112130-

MESOSCALE DISCUSSION 1183
NWS STORM PREDICTION CENTER NORMAN OK
0228 PM CDT SAT JUN 11 2011

AREAS AFFECTED...TX/OK PANHANDLES...WRN OK

CONCERNING...SEVERE POTENTIAL...WATCH POSSIBLE

VALID 111928Z - 112130Z

STORMS ARE EXPECTED TO BECOME SURFACE BASED LATER THIS AFTERNOON
RESULTING IN A THREAT OF LARGE HAIL AND DAMAGING WINDS. A WW IS
POSSIBLE.

MIDLEVEL CONVECTION IS EVIDENT IN SATELLITE AND RADAR IMAGERY OVER
THE ERN TX PANHANDLE AND WRN OK. MEANWHILE...BOUNDARY LAYER CUMULUS
ARE EXPANDING IN COVERAGE ALONG THE RED RIVER AND IN THE TX
PANHANDLE INVOF MAXIMUM LOW-LEVEL CONVERGENCE AS THE FRONT RETREATS
NWD. WITH CINH CONTINUING TO ERODE INTO THE
AFTERNOON...SURFACE-BASED STORMS ARE EXPECTED TO DEVELOP IN A
MODERATELY UNSTABLE ENVIRONMENT /MLCAPE OVER 1500 J/KG/.
MESOANALYSIS AND AREA PROFILERS SUGGEST DEEP-LAYER SHEAR VALUES
AROUND 30 KTS...INDICATING THE POSSIBILITY OF MARGINAL SUPERCELL
STRUCTURES AND ATTENDANT THREATS OF LARGE HAIL AND DAMAGING WINDS.

..JIRAK.. 06/11/2011

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

ATTN...WFO...FWD...OUN...LUB...AMA...

LAT...LON 34350097 34540127 34750153 35120177 35560192 35950190
36170158 36430100 36500068 36450007 36419957 36259872
35979806 35779764 35679745 35539708 35379681 35159658
34949637 34689628 34569631 34339642 34129660 33919680
33789701 33729747 33739783 33819817 33879853 34350097

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.

No comments: