Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 24, NWS Tampa Bay, FL

April 7, 2016Hillsborough County, Pinellas County, Florida

NWS Tampa Bay, FL issued this tornado warning at Apr 7, 2016, 7:25 AM EDT for Hillsborough County, Pinellas County, Florida. It was in force for 19 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
Apr 7, 2016, 7:25 AM EDT (11:25 UTC)
Expired
Apr 7, 2016, 7:44 AM EDT
In force
19 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Hillsborough County, FL, Pinellas County, FL

The radar

The Tampa radar (KTBW), 22 km from the middle of the area, began a volume at 11:29 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, 11.4 hours before the alert went out and 22 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 2016-04-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 100 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tampa Bay, FL at 00:00Z on 2016-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 square meters per square second.1939587897Sfc1 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
100 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1628 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

222 
WFUS52 KTBW 071125
TORTBW
FLC057-103-071200-
/O.NEW.KTBW.TO.W.0024.160407T1125Z-160407T1200Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
725 AM EDT THU APR 7 2016

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL HILLSBOROUGH COUNTY IN WEST CENTRAL FLORIDA...
  EAST CENTRAL PINELLAS COUNTY IN WEST CENTRAL FLORIDA...

* UNTIL 800 AM EDT
    
* AT 724 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER GANDY...OR 5 MILES SOUTHWEST OF
  TAMPA...MOVING SOUTHEAST AT 30 MPH.

  HAZARD...TORNADO. 

  SOURCE...RADAR INDICATED ROTATION. 

  IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
           SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. 
           DAMAGE TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE 
           DAMAGE IS LIKELY. 

* THIS DANGEROUS STORM WILL BE NEAR...
  MACDILL AIR FORCE BASE AROUND 735 AM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE SOUTH
TAMPA...WEEDON ISLAND STATE PRESERVE AND VENETIAN ISLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN A MOBILE
HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 2784 8259 2786 8257 2788 8260 2786 8254
      2793 8253 2789 8248 2786 8249 2784 8247
      2782 8248 2784 8254 2781 8260 2784 8261
      2789 8263
TIME...MOT...LOC 1124Z 318DEG 27KT 2790 8259 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
3 follow-up statements
382 
WWUS52 KTBW 071128
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
728 AM EDT THU APR 7 2016

FLC057-103-071200-
/O.CON.KTBW.TO.W.0024.000000T0000Z-160407T1200Z/
HILLSBOROUGH FL-PINELLAS FL-
728 AM EDT THU APR 7 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM EDT FOR CENTRAL
HILLSBOROUGH AND EAST CENTRAL PINELLAS COUNTIES...
    
AT 726 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR THE GANDY BRIDGE...OR 5 MILES SOUTHWEST OF
TAMPA...MOVING SOUTHEAST AT 30 MPH. THIS POSSIBLE TORNADO WILL CROSS
THE GANDY BRIDGE AROUND 730 AM EDT. 

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

LOCATIONS IMPACTED INCLUDE... 
GANDY...MACDILL AIR FORCE BASE...WEEDON ISLAND STATE PRESERVE...
VENETIAN ISLES.

LAT...LON 2784 8259 2786 8257 2788 8260 2786 8254
      2793 8253 2789 8248 2786 8249 2784 8247
      2782 8248 2784 8254 2781 8260 2784 8261
      2789 8263
TIME...MOT...LOC 1126Z 318DEG 27KT 2789 8258 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
401 
WWUS52 KTBW 071135
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
735 AM EDT THU APR 7 2016

FLC103-071144-
/O.CAN.KTBW.TO.W.0024.000000T0000Z-160407T1200Z/
PINELLAS FL-
735 AM EDT THU APR 7 2016

...THE TORNADO WARNING FOR EAST CENTRAL PINELLAS COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 2788 8253 2788 8254 2789 8254 2789 8253
      2791 8252 2789 8248 2787 8249 2786 8249
      2784 8247 2782 8248 2784 8254 2786 8255
      2786 8254 2787 8254
TIME...MOT...LOC 1134Z 300DEG 24KT 2789 8252 

$$

FLC057-071200-
/O.CON.KTBW.TO.W.0024.000000T0000Z-160407T1200Z/
HILLSBOROUGH FL-
735 AM EDT THU APR 7 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 800 AM EDT FOR CENTRAL
HILLSBOROUGH COUNTY...
    
AT 734 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR MACDILL AIR FORCE BASE...OR NEAR SOUTH
TAMPA...MOVING SOUTHEAST AT 25 MPH.

HAZARD...TORNADO. 

SOURCE...RADAR INDICATED ROTATION. 

IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT 
         SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE 
         TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR.  TREE DAMAGE IS 
         LIKELY. 

LOCATIONS IMPACTED INCLUDE...
TAMPA...MACDILL AIR FORCE BASE AND SOUTH TAMPA. 

LAT...LON 2788 8253 2788 8254 2789 8254 2789 8253
      2791 8252 2789 8248 2787 8249 2786 8249
      2784 8247 2782 8248 2784 8254 2786 8255
      2786 8254 2787 8254
TIME...MOT...LOC 1134Z 300DEG 24KT 2789 8252 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
573 
WWUS52 KTBW 071144
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
744 AM EDT THU APR 7 2016

FLC057-071153-
/O.CAN.KTBW.TO.W.0024.000000T0000Z-160407T1200Z/
HILLSBOROUGH FL-
744 AM EDT THU APR 7 2016

...THE TORNADO WARNING FOR CENTRAL HILLSBOROUGH COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 2788 8253 2788 8254 2789 8254 2789 8253
      2791 8252 2789 8248 2787 8249 2786 8249
      2784 8247 2782 8248 2784 8254 2786 8255
      2786 8254 2787 8254
TIME...MOT...LOC 1143Z 318DEG 27KT 2783 8246 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 4:13 AM EDTSpecial Marine WarningTBW47 min
Apr 7, 4:51 AM EDTSpecial Weather StatementTBWCitrus39 min
Apr 7, 5:12 AM EDTSpecial Marine WarningTBW63 min
Apr 7, 5:23 AM EDTSpecial Weather StatementTBWHernando52 min
Apr 7, 5:47 AM EDTTornado WarningTBWPasco28 min
Apr 7, 5:57 AM EDTSpecial Marine WarningTBW63 min
Apr 7, 6:14 AM EDTSpecial Weather StatementTBWPasco46 min
Apr 7, 6:41 AM EDTTornado Warning Tornado observedTBWPinellas19 min
Apr 7, 6:56 AM EDTSpecial Marine WarningTBW64 min
Apr 7, 7:00 AM EDTSpecial Weather StatementTBWHillsborough45 min
Apr 7, 10:23 AM EDTSpecial Marine WarningTBW37 min
Apr 7, 10:33 AM EDTSpecial Weather StatementTBWSarasota27 min
Apr 7, 10:49 AM EDTSpecial Marine WarningTBW26 min

Nearby

Tornado Warnings in Florida, 2016Every tornado warning in 2016Tornadoes in 2016

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.