Tuesday, January 29, 2013

MESO: Mesoscale Discussion 0072

ACUS11 KWNS 291920
SWOMCD
SPC MCD 291919
MOZ000-ARZ000-OKZ000-292015-

MESOSCALE DISCUSSION 0072
NWS STORM PREDICTION CENTER NORMAN OK
0119 PM CST TUE JAN 29 2013

AREAS AFFECTED...NERN OK AND NWRN AR NNEWD INTO CNTRL MO

CONCERNING...TORNADO WATCH 6...9...

VALID 291919Z - 292015Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 6...9...CONTINUES.

SUMMARY...THE THREAT FOR SVR WINDS AND TORNADOES CONTINUES ACROSS
TORNADO WATCHES 6 AND 9.

DISCUSSION...SGF WSR-88D DATA DEPICT SHALLOW MESOVORTICES EVOLVING
WITHIN THE SQUALL LINE THAT EXTENDS FROM CNTRL MO INTO NERN OK.
THESE FEATURES HAVE BECOME BETTER DEFINED AS THE LINE HAS APPROACHED
THE RDA...ALLOWING FOR BETTER SAMPLING OF LOW-LEVEL CIRCULATIONS. A
PAIR OF SUCH CIRCULATIONS IS EVIDENT IN NRN GREENE COUNTY MO...WITH
ADDITIONAL CIRCULATIONS EVIDENT TO THE NE AND SW. WITH AROUND 350
M2/S2 OF 0-1-KM SRH PER SGF VWP DATA...THESE MESOVORTICES WILL
REMAIN POSSIBLE AS THE LINE ADVANCES EWD...AND MAY BE ASSOCIATED
WITH DMGG WINDS AND TORNADOES AMIDST MARGINAL BUOYANCY. THIS COULD
BE OF INCREASING CONCERN AS THE COLD POOL ACCOMPANYING THE SQUALL
LINE OVERTAKES LEADING CONVECTION DURING THE NEXT HOUR OR
TWO...POTENTIALLY YIELDING AN UPTICK IN CONVECTIVE INTENSITY.

..COHEN.. 01/29/2013

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

ATTN...WFO...LSX...LZK...SGF...TSA...

LAT...LON 36439506 35879564 35509569 35439432 35899335 37199236
38669125 39299134 39309194 38659247 37419364 36439506

+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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: