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 Jul 23, 2012, 3:13 PM EDT for Highlands County, Florida. It was in force for 47 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
- Jul 23, 2012, 3:13 PM EDT (19:13 UTC)
- Expired
- Jul 23, 2012, 4:00 PM EDT
- In force
- 47 min
- Issued by
- NWS Tampa Bay, FL
County Highlands County, FL
The radar
The Melbourne radar (KMLB), 84 km from the middle of the area, began a volume at 19:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Tampa Bay, FL (KTBW), launched 12:00Z, 7.2 hours before the alert went out and 118 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
- 451 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 631 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 24 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 Jul 23, 1:30 PM EDT, 1 hour 43 minutes earlier.
Area forecast discussion, Jul 23, 1:30 PM EDT, 1 hour 43 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 130 PM EDT MON JUL 23 2012 .SHORT TERM (TONIGHT - WEDNESDAY)... THE TROPICAL WAVE IS PASSING ACROSS SOUTHERN FL WITH THUNDERSTORMS NOW DEVELOPING OVER LEE AND CHARLOTTE COUNTIES. SHOWERS AND THUNDERSTORMS WILL CONTINUE TO SPREAD ACROSS THE ENTIRE CWA THROUGH THE LATE EVENING HOURS. EXPECT NUMEROUS SHOWERS AND THUNDERSTORMS THROUGH AT LEAST MIDNIGHT...BECOMING SCATTERED TO ISOLATED AFTER MIDNIGHT. 12Z TBW SOUNDING DEPICTS A VERY MOIST ENVIRONMENT WITH PWATS OF 2.11 INCHES ALONG WITH MARGINAL CONVECTIVE PARAMETERS. THIS WILL SUPPORT SIGNIFICANT COVERAGE ACROSS THE AREA TONIGHT...THEN GRADUALLY DECREASING TO AROUND 30-40 PERCENT BY TUESDAY AFTERNOON AS A DRIER AIRMASS BEGINS FILTERING INTO THE REGION IN THE WAKE OF THE TROPICAL WAVE. A LITTLE DRIER ON WEDNESDAY WITH ONLY 20-30 PERCENT CHANCES OF RAIN AND MAINLY IN THE AFTERNOON AS SEA BREEZES RETURN. MAX TEMPS WILL WARM UP A LITTLE WITH LOWER UPPER 80S TO LOWER 90S ON TUESDAY TODAY...TO LOWER TO MID 90S BY WEDNESDAY. LOWS SHOULD REMAIN IN THE LOW TO MID 70S...WARMER NEAR THE COAST THROUGH THE PERIOD. .LONG TERM (WEDNESDAY NIGHT-MONDAY)... MODEL SOLUTIONS ARE IN GOOD AGREEMENT SHOWING THE HIGH PRESSURE RIDGE AXIS REMAINING ACROSS SOUTH FLORIDA THROUGH THE LONG TERM PERIOD...WITH A WEAKENING FRONTAL BOUNDARY ATTEMPTING TO PUSH INTO FAR NORTHERN FLORIDA LATE IN THE WEEKEND INTO EARLY NEXT WEEK. THE DEEPEST MOISTURE WILL RESIDE NORTH OF THE FORECAST AREA THROUGH THE WORK WEEK...WITH MOISTURE INCREASING OVER THE WEEKEND INTO EARLY NEXT WEEK AS THE WEAKENING FRONTAL BOUNDARY APPROACHES FROM THE NORTH. WILL CARRY SLIGHT CHANCE/LOW CHANCE POPS THROUGH SATURDAY FOR PRIMARILY AFTERNOON AND EARLY EVENING SHOWERS AND THUNDERSTORMS DEVELOPING ALONG THE SEA BREEZE AS IT PUSHES INLAND. WITH THE ARRIVAL OF DEEPER MOISTURE ASSOCIATED WITH THE APPROACHING FRONTAL BOUNDARY SUNDAY INTO EARLY NEXT WEEK...WILL CARRY CHANCE POPS ALL LOCALES. TEMPERATURES ARE EXPECTED TO RUN A COUPLE DEGREES ABOVE CLIMATOLOGY THROUGH THE LONG TERM PERIOD. && .AVIATION...NUMEROUS SHOWERS AND STORMS HAVE FORMED INLAND THIS AFTERNOON THANKS TO A TROPICAL WAVE THAT HAS DRIFTED ACROSS THE STATE. HAVE ADDED TEMPO TSRA FOR ALL SITES FOR THE MID AFTERNOON. EXPECTING ACTIVITY TO START TO DIMINISH BY SUNSET BUT SOME POSSIBLE VCSH COULD LINGER CLOSE TO THE COAST. VFR CONDITIONS EXPECTED TO PREVAIL OVERNIGHT AND INTO TOMORROW MORNING. && .MARINE... A TROPICAL WAVE CONTINUES TO MOVE ACROSS THE AREA AND THE COASTAL WATERS THROUGH LATER THIS EVENING AND BRINGING NUMEROUS SHOWERS AND THUNDERSTORMS. WINDS SHOULD REMAIN NEAR OR BELOW HIGHLIGHT CRITERIA BUT LOCALLY HIGHER WAVES AND STRONGER WINDS IN THUNDERSTORMS ARE EXPECTED AT TIMES. HIGH PRESSURE WILL RIDGE ACROSS THE AREA THROUGH THE REST OF THE WEEK AND WINDS AND SEAS ARE EXPECTED TO REMAIN BELOW ANY CAUTIONARY LEVELS. && .FIRE WEATHER... NO CONCERNS. && .PRELIMINARY POINT TEMPS/POPS... TPA 76 91 79 91 / 30 30 20 30 FMY 76 92 77 92 / 30 30 20 20 GIF 75 93 76 94 / 30 40 20 30 SRQ 76 91 78 91 / 30 30 20 30 BKV 73 92 73 93 / 30 40 20 30 SPG 78 89 80 90 / 30 30 20 30 && .TBW WATCHES/WARNINGS/ADVISORIES... FL...NONE. GULF WATERS...NONE. && SHORT TERM/MARINE/FIRE WEATHER...22/REYNES LONG TERM...21/JELSEMA AVIATION...BARRON
Hazardous weather outlook, Jul 23, 4:17 AM EDT, 10 hours 56 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL 417 AM EDT MON JUL 23 2012 FLZ039-042-043-048>052-055>057-060>062-065-241000- LEVY-CITRUS-SUMTER-HERNANDO-PASCO-PINELLAS-HILLSBOROUGH-POLK- MANATEE-HARDEE-HIGHLANDS-SARASOTA-DESOTO-CHARLOTTE-LEE- 417 AM EDT MON JUL 23 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL AND SOUTHWEST FLORIDA. .DAY ONE...TODAY AND TONIGHT. ...THUNDERSTORM IMPACT... NUMEROUS THUNDERSTORMS ARE EXPECTED AS A TROPICAL WAVE MOVES THROUGH THE AREA TODAY. A FEW STORMS WILL LIKELY BE STRONG THIS AFTERNOON INTO EARLY THIS EVENING...WITH THE MAIN HAZARDS BEING STRONG GUSTY WINDS...LOCALLY HEAVY RAINFALL AND DEADLY CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. ...THUNDERSTORM IMPACT... SCATTERED THUNDERSTORMS ARE EXPECTED EACH DAY...MAINLY DURING THE AFTERNOON AND EARLY EVENING HOURS. STRONG GUSTY WINDS...LOCALLY HEAVY RAINFALL...AND DEADLY CLOUD TO GROUND LIGHTNING WILL BE THE MAIN HAZARDS WITH THE STORMS EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTERS SHOULD MONITOR THE WEATHER AND SELF ACTIVATE IF NEEDED. JELSEMA
In the hours before
Special weather statement, Jul 23, 3:03 PM EDT, 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
303 PM EDT MON JUL 23 2012
FLZ039-042-048-049-231945-
LEVY-CITRUS-HERNANDO-PASCO-
303 PM EDT MON JUL 23 2012
...STRONG THUNDERSTORMS WILL AFFECT CITRUS...SOUTHEASTERN LEVY...WEST
CENTRAL PASCO AND WESTERN HERNANDO COUNTIES...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THUNDERSTORMS
LOCATED NEAR CHASSAHOWITZKA REFUGE...OR 10 MILES SOUTHWEST OF
HOMOSASSA SPRINGS...MOVING NORTH AT 25 MPH...WILL AFFECT
CHASSAHOWITZKA...HOMOSASSA SPRINGS...OZELLO AND CRYSTAL RIVER
AIRPORT...UNTIL 345 PM EDT.
GUSTY WINDS 35 TO 45 MPH WILL OCCUR. TORRENTIAL RAINS WILL REDUCE
VISIBILITY TO NEAR ZERO AND WILL CAUSE PONDING OF WATER ON ROADWAYS.
&&
LAT...LON 2928 8281 2925 8240 2921 8241 2920 8253
2906 8253 2906 8247 2898 8232 2826 8250
2828 8275 2841 8272 2845 8268 2859 8267
2867 8270 2869 8268 2871 8273 2877 8271
2878 8276 2887 8274 2890 8270 2905 8281
TIME...MOT...LOC 1903Z 192DEG 21KT 2870 8261Special weather statement, Jul 23, 3:13 PM EDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
313 PM EDT MON JUL 23 2012
FLZ052-057-232000-
HIGHLANDS-POLK-
313 PM EDT MON JUL 23 2012
...STRONG THUNDERSTORMS WILL AFFECT NORTHERN HIGHLANDS AND
SOUTHEASTERN POLK COUNTIES...
NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A THUNDERSTORM
LOCATED NEAR LAKE PLACID...MOVING NORTH AT 25 MPH...WILL AFFECT LAKE
PLACID...LAKE ISTOKPOGA...SEBRING AND SEBRING REGIONAL AIRPORT...
UNTIL 400 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 ONE HALF INCH IN
DIAMETER IS EXPECTED. TORRENTIAL RAINS WILL REDUCE VISIBILITY TO NEAR
ZERO AND WILL CAUSE PONDING OF WATER ON ROADWAYS.
&&
LAT...LON 2764 8114 2760 8114 2758 8115 2753 8120
2749 8120 2748 8117 2721 8126 2726 8146
2772 8147 2768 8114 2765 8112
TIME...MOT...LOC 1913Z 197DEG 21KT 2736 8134The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 3:03 PM EDT | Special Weather Statement | TBW | Citrus, Hernando, Pasco | 42 min |
| Jul 23, 3:34 PM EDT | Special Weather Statement | TBW | Sumter | 41 min |
| Jul 23, 3:46 PM EDT | Special Weather Statement | TBW | Levy | 44 min |
| Jul 23, 4:03 PM EDT | Special Weather Statement | TBW | Polk | 27 min |
| Jul 23, 4:16 PM EDT | Special Weather Statement | TBW | Sumter | 44 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; radar from the NEXRAD Level II archive.