Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 4, NWS Tampa Bay, FL

May 29, 2012Citrus County, Levy County, Florida

NWS Tampa Bay, FL issued this tornado warning at May 29, 2012, 2:12 PM EDT for Citrus County, Levy County, Florida. It was in force for 18 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
May 29, 2012, 2:12 PM EDT (18:12 UTC)
Expired
May 29, 2012, 2:30 PM EDT
In force
18 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon

Counties Citrus County, FL, Levy County, FL

The radar

The Tampa radar (KTBW), 148 km from the middle of the area, began a volume at 18:16 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, 6.2 hours before the alert went out and 148 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.

Skew-T log-pSkew-T log-p diagram, Tampa Bay, FL at 12:00Z on 2012-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 407 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 12:00Z on 2012-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
407 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
943 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
66 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

481 
WFUS52 KTBW 291812
TORTBW
FLC017-075-291830-
/O.NEW.KTBW.TO.W.0004.120529T1812Z-120529T1830Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
212 PM EDT TUE MAY 29 2012

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN LEVY COUNTY IN FLORIDA.
  NORTHWESTERN CITRUS COUNTY IN FLORIDA.

* UNTIL 230 PM EDT

* AT 211 PM EDT...LAW ENFORCEMENT REPORTED A TORNADO NEAR INGLIS...OR
  10 MILES NORTHWEST OF CRYSTAL RIVER...MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  INGLIS.
  CRYSTAL MANOR.
  CITRONELLE.

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.

TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE PLEASE CALL
813-645-2323.

&&

LAT...LON 2911 8257 2893 8246 2895 8273 2899 8277
      2903 8277
TIME...MOT...LOC 1812Z 255DEG 17KT 2901 8270

$$

MJG
1 follow-up statement
032 
WWUS52 KTBW 291829
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
229 PM EDT TUE MAY 29 2012

FLC017-075-291839-
/O.EXP.KTBW.TO.W.0004.000000T0000Z-120529T1830Z/
CITRUS FL-LEVY FL-
229 PM EDT TUE MAY 29 2012

...THE TORNADO WARNING FOR SOUTHERN LEVY AND NORTHWESTERN CITRUS
COUNTIES WILL EXPIRE AT 230 PM EDT...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED AND IS NO 
LONGER SHOWING EVIDENCE A TORNADO IS ONGOING.

LAT...LON 2911 8257 2893 8246 2895 8273 2899 8277
      2903 8277
TIME...MOT...LOC 1829Z 255DEG 17KT 2903 8261

$$

MJG

The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 28, 8:08 PM EDTSpecial Weather StatementTBWHernando52 min
May 28, 11:45 PM EDTAreal Flood AdvisoryTBWCitrus, Levy2 hr
May 29, 12:22 AM EDTAreal Flood WarningTBWCitrus3 hr
May 29, 1:12 AM EDTSpecial Marine WarningTBW63 min
May 29, 1:45 AM EDTSpecial Weather StatementTBWSumter45 min
May 29, 2:46 AM EDTSpecial Weather StatementTBWHernando44 min
May 29, 3:28 AM EDTAreal Flood AdvisoryTBWCitrus, Hernando, Sumter2 hr
May 29, 3:54 AM EDTAreal Flood WarningTBWCitrus, Hernando, Sumter3 hr
May 29, 4:27 AM EDTTornado WarningTBWCitrus, Sumter33 min
May 29, 5:49 AM EDTSpecial Weather StatementTBWHernando41 min
May 29, 7:01 AM EDTAreal Flood AdvisoryTBWHernando, Pasco119 min
May 29, 8:54 AM EDTAreal Flood AdvisoryTBWPasco66 min
May 29, 10:19 AM EDTFlood WatchTBWSumter6 hr
May 29, 10:41 AM EDTBeach Hazards StatementTBWPinellas10 hr
May 29, 11:38 AM EDTSpecial Marine WarningTBW67 min
May 29, 11:51 AM EDTSevere Thunderstorm WarningTBWCitrus, Hernando39 min
May 29, 12:48 PM EDTSpecial Marine WarningTBW57 min
May 29, 1:34 PM EDTSpecial Marine WarningTBW56 min
May 29, 2:41 PM EDTSpecial Weather StatementTBWPasco49 min
May 29, 3:03 PM EDTSpecial Weather StatementTBWPinellas12 min
May 29, 3:12 PM EDTSpecial Weather StatementTBWHillsborough63 min
May 29, 3:41 PM EDTSpecial Marine WarningTBW49 min
May 29, 4:53 PM EDTSmall Craft AdvisoryTBW5 hr

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.