[SWODY1] SWODY1

[Severe Weather Outlook Day 1]

ACUS01 KWNS 091949
SWODY1
SPC AC 091947

DAY 1 CONVECTIVE OUTLOOK  
NWS STORM PREDICTION CENTER NORMAN OK
0247 PM CDT SUN APR 09 2006

VALID 092000Z - 101200Z

...THERE IS A SLGT RISK OF SVR TSTMS ACROSS SOUTH FLORIDA...

...SOUTH FLORIDA...
19Z SURFACE ANALYSIS SHOWED THE COLD FRONT EXTENDED FROM 35 SSE VRB
WWD TO NRN PART OF LAKE OKEECHOBEE...THEN WNWWD TO THE FL GULF COAST
NEAR SRQ BEFORE EXTENDING WWD INTO THE GULF.  VIS IMAGERY SHOWED A
COUPLE OF OUTFLOW BOUNDARIES OVER S FL...ONE NEAR THE S FL COAST AND
THE SECOND LOCATED TO THE E AND S OF LAKE OKEECHOBEE.  THESE
BOUNDARIES AND OTHER CONVECTIVE OUTFLOW/SEA-LAKE BREEZE BOUNDARIES
WILL BE THE FOCI FOR ADDITIONAL ACTIVITY THIS AFTERNOON INTO THE
EVENING.

MID AFTERNOON SATELLITE/RADAR IMAGERY AND LIGHTNING DATA INDICATED
TWO LARGER CLUSTERS OF STORMS /1. ALONG/OFF THE SERN FL COAST AND 2.
OVER THE SERN GULF TO THE W/SW OF KEY WEST MOVING GENERALLY SWD/. 
MORE RECENT THUNDERSTORM DEVELOPMENT WAS NOTED ALONG THE COLD FRONT.
CIRRUS SHIELD ASSOCIATED WITH THE SERN GULF CLUSTER TEMPORARILY
DECREASED SURFACE HEATING ACROSS PARTS OF S/SW FL EARLIER THIS
AFTERNOON.  HOWEVER...MORE RECENT TREND OF THINNING CLOUD SHIELD
WILL ALLOW ADDITIONAL INSOLATION TO MAINTAIN A MODERATELY UNSTABLE
/MLCAPE AOA 1500 J/KG/ WARM SECTOR.  UNIDIRECTIONAL WINDS AND DEEP
LAYER SHEAR AOB 25 KT WILL CONTINUE TO SUPPORT MULTICELLS WITH HAIL/
STRONG WIND GUSTS AS THE PRIMARY THREATS INTO THE EVENING...AS THE
COLD FRONT MOVES SWD ACROSS S FL.

..PETERS.. 04/09/2006