Alert archive / Florida / Special Weather Statements in 2012
Special Weather Statement, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this special weather statement at Jun 13, 2012, 3:49 PM EDT for Sumter County, Florida. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 13, 2012, 3:49 PM EDT (19:49 UTC)
- Expired
- Jun 13, 2012, 4:30 PM EDT
- In force
- 41 min
- Issued by
- NWS Tampa Bay, FL
County Sumter County, FL
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 7.8 hours before the alert went out and 156 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 98 J/kg
- Mixed-layer CIN
- -120 J/kg
- Mixed-layer LCL
- 1019 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 87 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tampa Bay, FL wrote its last area forecast discussion before this special weather statement went out at Jun 13, 1:51 PM EDT, 1 hour 58 minutes earlier.
Area forecast discussion, Jun 13, 1:51 PM EDT, 1 hour 58 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 151 PM EDT WED JUN 13 2012 .SHORT TERM (TONIGHT - FRIDAY)... A MID-LEVEL TROUGH REACHING DOWN THE EASTERN SEABOARD TO FL THIS AFTERNOON SLOWLY SLIDES OUT OVER THE ATLANTIC THROUGH THE PERIOD BUT CONTINUES TO EXTENDED BACK WESTWARD TO FL. A FRONTAL TROUGH ACROSS SOUTH GA/NORTH FL AND A SURFACE RIDGE AXIS ACROSS THE SOUTHERN PART OF FL WILL BOTH GRADUALLY SAG SOUTH...WITH THE FRONTAL TROUGH REACHING CENTRAL FL BY THE END OF THE WORK WEEK...AS HIGH PRESSURE BUILDS DOWN THE EASTERN U.S. TO THE NE GULF. THIS FORECAST CONTINUES VERY SIMILAR TO PREVIOUS FORECAST WITH WIDELY SCATTERED TO SCATTERED SHOWERS AND THUNDERSTORMS. THE POPS RANGE FROM 20-30-40 PERCENT WITH THE HIGHEST ODDS NORTH AND INTERIOR AND MAINLY IN THE AFTERNOON. TEMPERATURES WILL BE NEAR OR JUST ABOVE NORMALS...WITH THE HIGHEST READINGS IN THE LOWER 90S INLAND. LIGHT AND MOST WEST WINDS BEGIN TO TURN TO THE NORTH OR NE AND PICK UP SOME BY WEEKS END. && .LONG TERM (FRIDAY NIGHT - WEDNESDAY)... A BROAD UPPER TROUGH/LOW WILL PERSIST FROM THE WESTERN ATLANTIC EXTENDING SOUTHWEST ACROSS FLORIDA AND THE EASTERN GULF THROUGH THE LONG TERM PERIOD. AT THE SURFACE HIGH PRESSURE WILL REMAIN IN PLACE FROM THE MID ATLANTIC SOUTH INTO THE SOUTHEASTERN STATES AND NORTHERN GULF...WHILE A WEAK AREA OF LOW PRESSURE NORTHEAST OF THE BAHAMAS MEANDERS ABOUT 69W. A TIGHTENING PRESSURE GRADIENT BETWEEN THE HIGH TO THE NORTH AND THE LOW OVER THE ATLANTIC WILL LEAD TO A BREEZY NORTHEASTERLY WIND FLOW OVER THE FORECAST AREA. MODEL CROSS SECTIONS SHOW DECREASING MOISTURE WITHIN THE NORTHEAST FLOW REGIME...SO NEAR CLIMO RAIN CHANCES (POPS 30 PERCENT) ON FRIDAY WILL DECREASE INTO THE ISOLATED RANGE (POPS 20 PERCENT) SATURDAY THROUGH TUESDAY. OFFSHORE FLOW WILL ALLOW DAYTIME TEMPERATURES TO RUN A FEW DEGREES ABOVE NORMAL WITH HIGHS CLIMBING INTO THE LOWER 90S WITH NEAR NORMAL LOWS IN THE 70S. && .AVIATION... VFR CONDITIONS PREVAILING EARLY THIS AFTERNOON AT ALL TERMINALS WITH A SCT-BKN CU FIELD BECOMING WELL ESTABLISHED. EXPECT SCT STORMS TO BEGIN DEVELOPING IN THE NEXT COUPLE OF HOURS WITH THE NOTED DEVELOPMENT OF THE SEA-BREEZE. THE QUICK INLAND PROPAGATION OF THIS BOUNDARY SHOULD END THE CHANCES FOR ANY CONVECTION RELATED RESTRICTIONS FOR ALL TAFS BUT KLAL BY AROUND 22Z. KLAL WILL CONTINUE THE RISK OF VCTS INTO THE MIDDLE EVENING HOURS. VFR OVERNIGHT INTO THURS MORNING WITH ISOL SHWRS IN THE AM FOR KTPA/KPIE/KSRQ. && .MARINE... WINDS WILL BE GENERALLY NORTHWEST AND LIGHT...AROUND 10 KT...FOR MUCH OF THE END OF THE WORK WEEK AS A TROUGH TO THE NORTH AND A RIDGE TO THE SOUTH DRIFT SOUTHWARD. HIGH PRESSURE THEN BUILDS DOWN THE EASTERN SEABOARD AND INTO THE GULF DURING THE WEEKEND AND THE EARLY PART OF NEXT WEEK. WINDS VEER THROUGH THE NORTH TO NE AN THEN EAST WILL SPEEDS OF 15 KT OR 15-20 KT FOR THE WEEKEND. THUNDERSTORMS WILL CONTINUE AND BRING PERIODS OF ROUGH SEAS AND GUSTY WINDS. && .FIRE WEATHER... HUMIDITIES WILL BE ABOVE CRITICAL LEVELS FOR THE NEXT FEW DAYS. && .PRELIMINARY POINT TEMPS/POPS... TPA 76 91 75 90 / 20 30 20 30 FMY 75 91 75 91 / 20 30 20 30 GIF 74 93 74 90 / 20 40 20 30 SRQ 76 89 75 90 / 20 30 20 30 BKV 69 91 70 89 / 30 30 20 30 SPG 78 90 77 88 / 20 30 20 30 && .TBW WATCHES/WARNINGS/ADVISORIES... FL...NONE. GULF WATERS...NONE. && SHORT TERM/MARINE/FIRE WEATHER...09/RUDE LONG TERM...57/MCMICHAEL AVIATION...14/MROCZKA
Hazardous weather outlook, Jun 13, 4:53 AM EDT, 10 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 453 AM EDT WED JUN 13 2012 FLZ039-042-043-048>052-055>057-060>062-065-GMZ830-850-853-856-870- 873-876-132330- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DESOTO-CHARLOTTE-LEE- TAMPA BAY WATERS-TARPON SPRINGS TO SUWANNEE RIVER OUT 20 NM- ENGLEWOOD TO TARPON SPRINGS OUT 20 NM- BONITA BEACH TO ENGLEWOOD OUT 20 NM- TARPON SPRINGS TO SUWANNEE RIVER OUT 20 TO 60 NM- ENGLEWOOD TO TARPON SPRINGS OUT 20 TO 60 NM- BONITA BEACH TO ENGLEWOOD OUT 20 TO 60 NM- 453 AM EDT WED JUN 13 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... A FRONTAL BOUNDARY APPROACHING FROM THE NORTH COMBINED WITH INCREASING MOISTURE AND DAYTIME HEATING WILL LEAD TO SCATTERED THUNDERSTORM DEVELOPMENT ALONG THE SEA BREEZE CIRCULATIONS TODAY. STORMS THAT DEVELOP TODAY WILL MOVE TO THE EAST AND SOUTHEAST WITH THE GREATEST AREAL COVERAGE OF STORMS SETTING UP OVER INLAND LOCATIONS EAST OF THE I 75 CORRIDOR DURING THE AFTERNOON AND EARLY EVENING HOURS. LOCALLY HEAVY RAINFALL...GUSTY WINDS AND FREQUENT LIGHTNING STRIKES WILL ACCOMPANY THE STORMS. IF THUNDER IS HEARD OR LIGHTNING IS OBSERVED MOVE INDOORS IMMEDIATELY. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. ...THUNDERSTORM IMPACT... SCATTERED THUNDERSTORMS WILL CONTINUE TO BE POSSIBLE ON THURSDAY AND FRIDAY MAINLY DURING THE AFTERNOON AND EARLY EVENING HOURS AS A TROUGH OF LOW PRESSURE SETTLES INTO THE REGION. DURING THE UPCOMING WEEKEND AND INTO EARLY NEXT WEEK DRIER AIR WILL MOVE INTO THE REGION ON AN INCREASING NORTHEASTERLY WIND FLOW AS SURFACE HIGH PRESSURE BUILDS IN FROM THE NORTH. THIS DRIER AIR WILL LIMIT THUNDERSTORM DEVELOPMENT WITH ONLY ISOLATED STORM COVERAGE EXPECTED EACH DAY DURING THE AFTERNOON AND EARLY EVENING HOURS. THE INCREASING NORTHEAST WIND FLOW WILL HELP TO BUILD SEAS OVER THE OFFSHORE GULF WATERS WHICH WILL PRODUCE HAZARDOUS BOATING CONDITIONS TO SMALL CRAFT OPERATORS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY. MCMICHAEL
In the hours before
Special weather statement, Jun 13, 3:49 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
349 PM EDT WED JUN 13 2012
FLZ043-132030-
SUMTER-
349 PM EDT WED JUN 13 2012
...STRONG THUNDERSTORMS WILL AFFECT NORTHEASTERN SUMTER COUNTY...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A THUNDERSTORM
LOCATED NEAR OXFORD...OR NEAR THE VILLAGES...MOVING SOUTHEAST AT 5
MPH...WILL AFFECT OXFORD...THE VILLAGES...WILDWOOD AND ADAMSVILLE...
UNTIL 430 PM EDT.
GUSTY WINDS 35 TO 45 MPH WILL OCCUR. FREQUENT LIGHTNING IS EXPECTED.
TO BE SAFE GO INDOORS IMMEDIATELY. IF CAUGHT OUTSIDE...FIND A LOW
SPOT...AND STAY AWAY FROM TALL OBJECTS. HAIL UP TO DIME SIZE IS
EXPECTED. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR ZERO AND
WILL CAUSE PONDING OF WATER ON ROADWAYS.
&&
LAT...LON 2896 8195 2879 8195 2874 8199 2889 8220
2897 8214 2896 8196
TIME...MOT...LOC 1948Z 304DEG 4KT 2891 8206The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 4:32 PM EDT | Areal Flood Advisory | TBW | Sumter | 88 min |
| Jun 13, 5:27 PM EDT | Special Weather Statement | TBW | Levy | 63 min |
Nearby
Special Weather Statements in Florida, 2012Every special weather statement in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.