Friday, December 24, 2010

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 240536
SWODY1
SPC AC 240535

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1135 PM CST THU DEC 23 2010

VALID 241200Z - 251200Z

...NO SVR TSTM AREAS FORECAST...

...TX...

WELL DEFINED UPPER LOW OVER CNTRL NM IS EXPECTED TO CONTINUE DIGGING
SEWD AND BE POSITIONED OVER CNTRL TX BY LATE AFTERNOON. WHILE
INSTABILITY IS NOT EXPECTED TO BE THAT SIGNIFICANT ACROSS THE
OUTLOOK REGION...A POCKET OF H5 TEMPERATURES TO NEAR MINUS 20C
SHOULD SETTLE INTO CNTRL TX WHILE SUSTAINED LOW LEVEL WARM ADVECTION
WILL ENHANCE ASCENT AHEAD OF UPPER LOW. AS A RESULT...ELEVATED
CONVECTION MAY DEVELOP EARLY IN THE PERIOD ALONG WEAK FRONTAL SURGE
BEFORE DEEPER UPDRAFTS AND POTENTIAL SFC-BASED PARCELS FREELY
CONVECT ALONG ADVANCING WIND SHIFT. AT THAT TIME MORE ROBUST
UPDRAFTS COULD EVOLVE FROM NEAR THE ESCARPMENT OF CNTRL TX TOWARD
THE MIDDLE TX COAST BY EARLY EVENING. EVEN SO...FORECAST
SHEAR/INSTABILITY APPEAR INADEQUATE FOR ANY MEANINGFUL SEVERE
THREAT.

..DARROW/GARNER.. 12/24/2010

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