Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 7, NWS Tampa Bay, FL

June 9, 2012Lee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jun 9, 2012, 1:00 AM EDT for Lee County, Florida. It was in force for 45 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 9, 2012, 1:00 AM EDT (05:00 UTC)
Expired
Jun 9, 2012, 1:45 AM EDT
In force
45 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon

County Lee County, FL

The radar

The Tampa radar (KTBW), 145 km from the middle of the area, began a volume at 05:04 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, 5.0 hours before the alert went out and 145 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 00:00Z on 2012-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 312 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 00:00Z on 2012-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -79 square meters per square second.193958Sfc1 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
312 J/kg
Mixed-layer CIN
-60 J/kg
Mixed-layer LCL
644 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-79 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.4

Open this sounding in Storm Lab

The text

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

517 
WFUS52 KTBW 090500
TORTBW
FLC071-090545-
/O.NEW.KTBW.TO.W.0007.120609T0500Z-120609T0545Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
100 AM EDT SAT JUN 9 2012

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL LEE COUNTY IN FLORIDA.

* UNTIL 145 AM EDT

* AT 1252 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 8 MILES SOUTHWEST OF CAPE CORAL...OR NEAR SANIBEL AND      
  SAINT JAMES CITY. THIS DANGEROUS STORM WAS MOVING EAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  CAPE CORAL.
  CAPE CORAL.
  FORT MYERS BEACH.
  FORT MYERS VILLAS...WHISKEY CREEK.
  PAGE FIELD AIRPORT.
  ESTERO.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING LARGE
HAIL AND DAMAGING WINDS.

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 2637 8188 2642 8191 2644 8195 2647 8198
      2647 8201 2645 8200 2643 8204 2647 8213
      2648 8213 2648 8211 2650 8213 2656 8213
      2665 8172 2631 8173
TIME...MOT...LOC 0458Z 270DEG 19KT 2651 8204

$$

14-MROCZKA
1 follow-up statement
623 
WWUS52 KTBW 090541
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
141 AM EDT SAT JUN 9 2012

FLC071-090549-
/O.EXP.KTBW.TO.W.0007.000000T0000Z-120609T0545Z/
LEE FL-
141 AM EDT SAT JUN 9 2012

...THE TORNADO WARNING FOR CENTRAL LEE COUNTY WILL EXPIRE AT 145 AM
EDT...

THE STRONG ROTATION THAT PROMPTED THE WARNING HAS NOW WEAKENED. 
HOWEVER...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR 
CENTRAL AND EASTERN LEE COUNTY FOR THE POTENTIAL OF DAMAGING 
STRAIGHT-LINE WINDS.

LAT...LON 2637 8188 2642 8191 2644 8195 2647 8198
      2647 8201 2645 8200 2643 8204 2647 8213
      2648 8213 2648 8211 2650 8213 2656 8213
      2665 8172 2631 8173
TIME...MOT...LOC 0539Z 270DEG 19KT 2651 8180

$$

14-MROCZKA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 8:50 PM EDTRiver Flood WarningTBWManatee37 hr
Jun 8, 10:17 PM EDTSpecial Marine WarningTBW58 min
Jun 8, 11:00 PM EDTSpecial Weather StatementTBWLee45 min
Jun 8, 11:17 PM EDTSpecial Marine WarningTBW118 min
Jun 9, 12:09 AM EDTSevere Thunderstorm WarningTBWLee51 min
Jun 9, 12:17 AM EDTSpecial Marine WarningTBW88 min
Jun 9, 12:22 AM EDTTornado WarningTBWLee38 min
Jun 9, 1:00 AM EDTSevere Thunderstorm WarningTBWLee45 min
Jun 9, 1:37 AM EDTSevere Thunderstorm WarningTBWLee53 min
Jun 9, 7:51 AM EDTRiver Flood WarningTBWManatee8 hr
Jun 9, 4:40 PM EDTSpecial Weather StatementTBWHighlands50 min
Jun 9, 6:42 PM EDTSpecial Weather StatementTBWOsceola18 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.