Alert archive / Florida / Tornado Warnings in 2012
Tornado Warning 39, NWS Tampa Bay, FL
NWS Tampa Bay, FL issued this tornado warning at Dec 10, 2012, 7:25 PM EST for Hillsborough County, Pinellas County, Florida. It was in force for 20 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
- Dec 10, 2012, 7:25 PM EST (00:25 UTC)
- Expired
- Dec 10, 2012, 7:45 PM EST
- In force
- 20 min
- Issued by
- NWS Tampa Bay, FL
- Area
- Storm-based polygon
Counties Hillsborough County, FL, Pinellas County, FL
The radar
The Tampa radar (KTBW), 19 km from the middle of the area, began a volume at 00:24 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 00:00Z, 0.4 hours before the alert went out and 20 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
- 1382 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 786 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 256 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 16.4
The text
As transmitted, in the capitals the NWS used until 2016.
929
WFUS52 KTBW 110025
TORTBW
FLC057-103-110045-
/O.NEW.KTBW.TO.W.0039.121211T0025Z-121211T0045Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
725 PM EST MON DEC 10 2012
THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A
* TORNADO WARNING FOR...
WESTERN HILLSBOROUGH COUNTY IN FLORIDA.
EASTERN PINELLAS COUNTY IN FLORIDA.
* UNTIL 745 PM EST
* AT 724 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
TORNADO NEAR MACDILL AIR FORCE BASE...OR 8 MILES NORTHEAST OF
DOWNTOWN SAINT PETERSBURG...MOVING NORTHEAST AT 30 MPH.
* THE TORNADO WILL BE NEAR...
MACDILL AIR FORCE BASE...VENETIAN ISLES.
SOUTH TAMPA.
PETER O KNIGHT AIRPORT...DAVIS ISLANDS.
CHANNELSIDE...YBOR CITY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN
A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT
SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND
COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 2789 8258 2784 8258 2785 8257 2793 8257
2800 8251 2793 8235 2783 8243 2783 8244
2789 8241 2792 8248 2781 8244 2780 8245
2782 8246 2770 8251 2781 8250 2784 8256
2778 8262 2782 8267
TIME...MOT...LOC 0025Z 219DEG 27KT 2783 8253
$$2 follow-up statements
123
WWUS52 KTBW 110036
SVSTBW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
736 PM EST MON DEC 10 2012
FLC057-103-110045-
/O.CON.KTBW.TO.W.0039.000000T0000Z-121211T0045Z/
HILLSBOROUGH FL-PINELLAS FL-
736 PM EST MON DEC 10 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM EST FOR EASTERN
PINELLAS AND WESTERN HILLSBOROUGH COUNTIES...
AT 735 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO. LOCATED NEAR PETER O KNIGHT AIRPORT...OR 7
MILES SOUTHEAST OF TAMPA...MOVING NORTHEAST AT 30 MPH.
THE WATERSPOUT WILL BE NEAR...
SOUTH TAMPA.
PETER O KNIGHT AIRPORT.
PALM RIVER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THE TORNADO GO TO A SMALL INTERIOR ROOM IN
A STRONG AND WELL CONSTRUCTED BUILDING. CARS AND MOBILE HOMES ARE NOT
SAFE. IF NO SHELTER IS AVAILABLE...LIE FLAT IN A DITCH OR CULVERT AND
COVER YOUR HEAD WITH YOUR HANDS.
&&
LAT...LON 2789 8258 2784 8258 2785 8257 2793 8257
2800 8251 2793 8235 2783 8243 2783 8244
2789 8241 2792 8248 2781 8244 2780 8245
2782 8246 2770 8251 2781 8250 2784 8256
2778 8262 2782 8267
TIME...MOT...LOC 0036Z 213DEG 25KT 2788 8243
$$676
WWUS52 KTBW 110046
SVSTBW
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
746 PM EST MON DEC 10 2012
FLC057-103-110056-
/O.EXP.KTBW.TO.W.0039.000000T0000Z-121211T0045Z/
HILLSBOROUGH FL-PINELLAS FL-
746 PM EST MON DEC 10 2012
...THE TORNADO WARNING FOR EASTERN PINELLAS AND WESTERN HILLSBOROUGH
COUNTIES HAS EXPIRED...
THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER INDICATING
ROTATION...HOWEVER THE STORM WILL CONTINUE TO PRODUCE STRONG GUSTY
WINDS AND HEAVY RAIN.
LAT...LON 2789 8258 2784 8258 2785 8257 2793 8257
2800 8251 2793 8235 2783 8243 2783 8244
2789 8241 2792 8248 2781 8244 2780 8245
2782 8246 2770 8251 2781 8250 2784 8256
2778 8262 2782 8267
TIME...MOT...LOC 0036Z 213DEG 25KT 2788 8243
$$The office that day
Everything else NWS Tampa Bay, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 10, 7:58 PM EST | Special Weather Statement | TBW | Hardee, Manatee, Polk | 62 min |
| Dec 11, 4:34 PM EST | Special Weather Statement | TBW | Highlands | 41 min |
Nearby
Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes 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.