Thursday, January 6, 2011

DAY1SVR: Day 1 Convective Outlook

ACUS01 KWNS 060530
SWODY1
SPC AC 060528

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1128 PM CST WED JAN 05 2011

VALID 061200Z - 071200Z

...NO SVR TSTM AREAS FORECAST...

...SYNOPSIS...

SHORTWAVE TROUGH CURRENTLY MOVING THROUGH THE OH AND TN VALLEYS AND
EMBEDDED WITHIN LARGER SCALE HIGH AMPLITUDE UPPER TROUGH WILL
PROVIDE THE IMPETUS FOR A COLD FRONT TO ADVANCE SWD THROUGH THE
REMAINDER OF THE FL PENINSULA TODAY.

...SRN FL...

LOW TO MID 60S DEWPOINTS ARE ADVECTING THROUGH SRN HALF OF THE FL
PENINSULA ALONG A WLY LLJ THAT WILL PERSIST INTO THE AFTERNOON. THIS
PROCESS WILL YIELD AT LEAST MARGINAL INSTABILITY IN WARM
SECTOR...BUT CAPE WILL REMAIN LIMITED BY MODEST MID-LEVEL LAPSE
RATES AND LOW POTENTIAL FOR SIGNIFICANT DIABATIC WARMING. STORMS ARE
EXPECTED TO DEVELOP ALONG SWD ADVANCING FRONTAL ZONE AND PRE-FRONTAL
OUTFLOW BOUNDARIES. CONVECTION WILL BE EMBEDDED WITHIN STRONG
UNIDIRECTIONAL WLY BULK SHEAR SUPPORTIVE OF UPDRAFT ROTATION AND
BOWING SEGMENTS WITH A THREAT OF MAINLY ISOLATED DAMAGING WIND.
HOWEVER...THE THERMODYNAMIC ENVIRONMENT IS NOT EXPECTED TO BECOME
SUFFICIENT TO WARRANT MORE THAN 5% SEVERE PROBABILITIES.

..DIAL.. 01/06/2011

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