Severe Weather Possible Tues into Weds...Tampa NWS:
.SHORT TERM (TONIGHT - WEDNESDAY)...
HIGH PRESSURE WILL SLIDE FURTHER TO THE EAST INTO THE ATLANTIC
TONIGHT AS A STRONG SHORT WAVE TROUGH OVER THE SOUTHERN PLAINS
MOVES EAST TOWARD THE LOWER MISSISSIPPI VALLEY. AS THE SHORT WAVE
APPROACHES SURFACE LOW PRESSURE WILL DEVELOP AND DEEPEN OVER THE
WESTERN GULF LATER TONIGHT WITH THIS LOW THEN TRACKING EAST ACROSS
THE NORTHERN GULF COAST ON TUESDAY...THEN ACROSS THE PANHANDLE AND
NORTHERN PENINSULA TUESDAY NIGHT AND EARLY WEDNESDAY.
AS THIS SYSTEM APPROACHES DEEPER MOISTURE (MID AND UPPER 60S DEW
POINT AIR) WILL BE DRAWN NORTH INTO THE REGION ON A DEEPENING AND
INCREASING SOUTHERLY WIND FLOW WITH INCREASING CLOUDS AND MILDER
TEMPERATURES EXPECTED TONIGHT INTO TUESDAY.
DURING TUESDAY AND TUESDAY NIGHT A WIDESPREAD RAIN EVENT ALONG WITH
SEVERE STORMS IS EXPECTED TO IMPACT THE FORECAST AREA AS THIS POTENT
STORM SYSTEM AFFECTS THE REGION. AFOREMENTIONED INCREASING MOISTURE
PROFILES COMBINED WITH INCREASING LOW AND MID LEVEL WIND FIELDS
SUPPORTING EFFECTIVE VERTICAL SHEAR IN THE 40 TO 50 KNOT RANGE AND
GOOD INSTABILITY WILL LIKELY SUPPORT ORGANIZED STORM STRUCTURES
INCLUDING BOWING AND SUPERCELLS AS A SQUALL LINE DEVELOPS OVER THE
GULF WATERS WITH THE THREAT OF DAMAGING WINDS AND TORNADOES AS THE
SQUALL MOVES ONSHORE AFFECTING THE REGION. AT THE CURRENT TIME SHOWERS
AND THUNDERSTORMS COULD BEGIN TO AFFECT THE AREA BY EARLY AFTERNOON
ON TUESDAY WITHIN THE WARM SECTOR WITH THE THREAT FOR SEVERE STORMS
AND LOCALLY HEAVY RAINS CONTINUING INTO TUESDAY NIGHT AS ADDITIONAL
CONVECTION MOVES ACROSS THE REGION AHEAD OF THE TRAILING COLD FRONT.
IN ADDITION TO THE SEVERE STORMS LOCALLY HEAVY RAINFALL AMOUNTS OF
2 TO 3 INCHES WILL BE POSSIBLE. THIS HEAVY RAIN MAY LEAD TO LOCALIZED
FLOODING OF LOW LYING AND POOR DRAINAGE AREAS...RISING RIVER LEVELS...AND
THE PONDING OF WATER ON ROADWAYS.

Melbourne NWS:TUESDAY NIGHT...SFC LOW IS PROGD TO ROCKET NE ACROSS THE NRN
PENINSULA AND SE GA AND BRING A LINE OF CONVECTION THROUGH E CENTRAL
FL. STILL SOME DETAILS TO BE WORKED OUT IN THE EXACT MODE OF
CONVECTION BUT ENVIRONMENT WILL SUPPORT THE CHANCE FOR ROTATING
STORMS AHEAD OF THE MAIN SQUALL LINE AND ALSO THE THREAT OF DAMAGING
WINDS AND ISOLATED TORNADOES WITH BOWING LINE SEGMENTS THAT MOVE
EAST ACROSS THE CWA OVERNIGHT. STRENGTH OF DEEP LAYER SHEAR / LOW
LVL HELICITY / FAVORABLE LOW TRACK AND TIME OF DAY (NIGHT) WITH
LOWER LCLS ALL FAVOR THE POSSIBILITY OF A FEW STRONG AND VIOLENT
TORNADOES. CURRENT SPC OUTLOOK" onClick="return popup(this, 'notes')">OUTLOOK KEEPS A SLIGHT RISK OF SVR ACROSS
CENTRAL FL THROUGH THE NIGHT AND WILL CARRY 80 PCT CHANCE FOR
SHOWERS AND STORMS...SOME WITH HEAVY RAIN...GUSTY WINDS AND FREQUENT
LIGHTNING. CONTINUE TO MONITOR LATER FORECASTS AND OUTLOOKS
REGARDING THIS POTENTIAL HAZARDOUS WEATHER EVENT.
Miami NWS:A RIDGE OF HIGH PRESSURE WILL PUSH EAST ACROSS THE
WESTERN ATLANTIC TONIGHT AS LOW PRESSURE ORGANIZES IN THE WESTERN
GULF. IN TURN...THE FLOW WILL REMAIN EAST SOUTHEASTERLY WITH A
GRADUAL INCREASE IN MOISTURE ADVECTION. AS HEIGHTS ALOFT CONTINUE
TO RISE...IN RESPONSE TO A STRONG UPPER LEVEL SHORTWAVE PULLING
OUT OF THE PLAINS...WARM AIR ADVECTION WILL ALSO COMMENCE.
SURFACE WINDS WILL NOT BE AS LIGHT AS LAST NIGHT, BUT THE
BOUNDARY LAYER MAY STILL DECOUPLE IN SOME AREAS AFTER
MIDNIGHT...WITH PATCHY FOG POTENTIALLY AFFECTING SOME AREAS. A
FEW SHOWERS WILL ALSO BE POSSIBLE...ESPECIALLY OVER THE ATLANTIC
AND EAST COAST WHERE A 20 POP IS BEING MAINTAINED FOR TONIGHT.
AS THE AFOREMENTIONED STRONG SHORTWAVE AND UPPER LEVEL TROUGH
MOVE EAST ON TUESDAY, A STRONG LOW LEVEL JET WILL APPROACH THE
WEST CENTRAL FLORIDA COAST BY AFTERNOON. THIS COMBINED WITH AN
INCREASE IN LOW LEVEL MOISTURE AND SHEAR WILL HELP ORGANIZE
SHOWERS AND THUNDERSTORMS. WHILE SOUTH FLORIDA WILL CERTAINLY BE
IN THE WARM SECTOR BY TUESDAY AFTERNOON, CLOUD COVER MAY SLIGHTLY
OFFSET THE AMOUNT OF LOW AND MID LEVEL DESTABILIZATION.
HOWEVER...WITH 0-3KM AGL MOST UNSTABLE CAPE EXCEEDING 1000 J/KG
BY 00Z WEDNESDAY AND HELICITY VALUES APPROACHING 300 M/S OVER THE
LAKE REGION...THE POTENTIAL FOR STRONG STORMS CERTAINLY EXISTS.
THE STRONGEST 0-6KM SHEAR WILL ALSO IMPACT AREAS ADJACENT TO THE
LAKE. ALL OF THAT SAID, IT APPEARS THE HIGHEST RISK FOR SEVERE
STORMS...MAINLY FROM STRONG AND DAMAGING WIND GUSTS...WILL BE
ACROSS GLADES, HENDRY, COLLIER AND PALM BEACH COUNTIES, WITH A
SLIGHTLY LOWER THREAT TO THE SOUTHEAST. IF STORMS REMAIN
DISCRETE, A FEW SEVERE SUPERCELLS AND AN ISOLATED TORNADO COULD
OCCUR, WHILE A WELL DEFINED SQUALL LINE WOULD MAINLY RESULT IN
STRONG/DAMAGING WIND GUSTS. HAIL IS ALSO A
POSSIBILITY...ESPECIALLY WITH RAPID COOLING AND TEMPS FALLING TO
NEAR -10C AT H5. FINALLY...HEAVY RAINFALL WILL CERTAINLY
ACCOMPANY THE THUNDERSTORMS WITH PRECIPITABLE WATERS RUNNING WELL
ABOVE NORMAL. FORTUNATELY, MOST OF THE STORMS SHOULD HAVE ENOUGH
FORWARD MOVEMENT TO PREVENT ANY WIDESPREAD FLOODING CONCERNS,
ALTHOUGH LOCALIZED FLOODING CANNOT BE RULED OUT, ESPECIALLY IN
URBAN CORRIDORS. THE MAIN WINDOW FOR POTENTIAL SEVERE WEATHER
WILL BE FROM LATE TUESDAY AFTERNOON THROUGH THE PRE-DAWN HOURS
WEDNESDAY.