SWODY2
SPC AC 270535
DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1135 PM CST SAT JAN 26 2008
VALID 281200Z - 291200Z
..NO SVR TSTM AREAS FORECAST...
..GRT BASIN/CNTRL ROCKIES...
THE MID-LVL WAVE CURRENTLY DIGGING SEWD JUST W OF BC WILL KICK THE
UPR LOW OFF SRN CA NEWD INTO THE GRTLKS REGION BY MON EVE. THE
FORMER SYSTEM WILL THEN TRANSLATE ACROSS THE GRT BASIN/CNTRL ROCKIES
REGION DURING THE DAY MON. PAC MSTR WILL LIKELY DECREASE WITH THE
PASSAGE OF THE LEAD SYSTEM. BUT...STRONG LARGE SCALE ASCENT ASSOCD
WITH THE LATTER SYSTEM ARRIVING DURING PEAK HEATING AND THE STEEP
LAPSE RATE ENVIRONMENT /H5 TEMPERATURES AOB MINUS 28 DEG C/ EXPECTED
TO ALREADY BE IN PLACE WILL ENCOURAGE STRONGER SPORADIC TSTM
DEVELOPMENT OVER PARTS OF THE REGION MONDAY AFTN. THE ACTIVITY
SHOULD PEAK 21-00Z...THEN DIMINISH BY MID-EVE OVER THE 4-CORNERS
AREA.
..SRN PLAINS TO THE MIDWEST...
LEAD SYSTEM OFF SRN CA WILL EJECT NEWD ARRIVING IN THE CORN BELT/UPR
MS VLY REGIONS BY 00Z TUE. BROAD SLY LLJ ATTENDANT WITH THIS SYSTEM
WILL ADVECT MODIFIED GULF MSTR NWD BENEATH A CAPPING INVERSION
THROUGHOUT THE SRN PLAINS NWD INTO THE MIDWEST ON MON. A FEW
SHOWERS MAY ACCOMPANY THIS WARM/MOIST ADVECTION REGIME...BUT THE
BEST TSTM CHANCES WILL LIKELY BE DELAYED UNTIL OVERNIGHT AS THE
SECONDARY SYSTEM...NOW OFF BC...MOVES TO THE CNTRL PLAINS.
COLUMN WILL GRADUALLY DESTABILIZE AS LARGER SCALE HEIGHT FALLS/
MOISTENING MID-TROPOSPHERE ASSOCD WITH THE SECONDARY IMPULSE APCH
AFTER 06Z TUE. POOR QUALITY OF THE MSTR RETURN WILL LIMIT MUCAPES
TO 500-750 J/KG OR LESS...MITIGATING RISKS FOR SVR WEATHER.
TSTMS...HOWEVER...WILL BECOME MORE LIKELY BY 12Z TUE OVER A BROAD
ZONE FROM NERN TX NEWD INTO THE MID-MS VLY AND MIDWEST.
.RACY.. 01/27/2008
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
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 cnovy@cox.net.
No comments:
Post a Comment