Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 29, NWS Tampa Bay, FL

July 11, 2016Manatee County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jul 11, 2016, 6:59 PM EDT for Manatee County, Florida. It was in force for 16 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jul 11, 2016, 6:59 PM EDT (22:59 UTC)
Expired
Jul 11, 2016, 7:15 PM EDT
In force
16 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Tornado
Observed
Hail
0.75 in

County Manatee County, FL

The radar

The Tampa radar (KTBW), 29 km from the middle of the area, began a volume at 23:01 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.

What was reported inside it

TimeReportWhereRemark
Jul 11, 7:00 PM EDTTORNADO1 N Duette, FLCONFIRMED TORNADO NEAR DUETTE. NO REPORTED DAMAGE. LOCATION IS ESTIMATED AND MAY NEED TO BE UPDATED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 11.0 hours before the alert went out and 29 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 2016-07-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1700 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 12:00Z on 2016-07-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 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
1700 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
954 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

349 
WFUS52 KTBW 112259
TORTBW
FLC081-112315-
/O.NEW.KTBW.TO.W.0029.160711T2259Z-160711T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
659 PM EDT MON JUL 11 2016

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MANATEE COUNTY IN WEST CENTRAL FLORIDA...

* UNTIL 715 PM EDT

* AT 657 PM EDT...THE PUBLIC REPORTED A WHICH WAS LOCATED NEAR
  DUETTE...MOVING WEST AT 10 MPH.

  HAZARD...DAMAGING TORNADO. 

  SOURCE...PUBLIC REPORTED TORNADO. 

  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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHEASTERN MANATEE COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
  DUETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 2763 8207 2755 8207 2754 8224 2763 8224
TIME...MOT...LOC 2257Z 090DEG 7KT 2759 8213 

TORNADO...OBSERVED
HAIL...<.75IN

$$
2 follow-up statements
348 
WFUS52 KTBW 112300 CCA
TORTBW
FLC081-112315-
/O.COR.KTBW.TO.W.0029.160711T2259Z-160711T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
700 PM EDT MON JUL 11 2016

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN MANATEE COUNTY IN WEST CENTRAL FLORIDA...

* UNTIL 715 PM EDT

* AT 659 PM EDT...THE PUBLIC REPORTED A TORNADO WHICH WAS LOCATED
  NEAR DUETTE...MOVING WEST AT 10 MPH.

  HAZARD...DAMAGING TORNADO. 

  SOURCE...PUBLIC REPORTED TORNADO. 

  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...
  DUETTE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TO REPEAT...A TORNADO IS ON THE GROUND. 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 2763 8207 2755 8207 2754 8224 2763 8224
TIME...MOT...LOC 2257Z 090DEG 7KT 2759 8213 

TORNADO...OBSERVED
HAIL...<.75IN

$$
845 
WWUS52 KTBW 112316
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA / RUSKIN FL
716 PM EDT MON JUL 11 2016

FLC081-112326-
/O.EXP.KTBW.TO.W.0029.000000T0000Z-160711T2315Z/
MANATEE FL-
716 PM EDT MON JUL 11 2016

...THE TORNADO WARNING FOR NORTHEASTERN MANATEE COUNTY HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.  HOWEVER GUSTY
WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 2763 8207 2755 8207 2754 8224 2763 8224
TIME...MOT...LOC 2307Z 090DEG 7KT 2759 8213 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 11, 6:00 PM EDTSpecial Weather StatementTBWHillsborough30 min
Jul 11, 6:22 PM EDTSpecial Weather StatementTBWManatee38 min
Jul 11, 6:51 PM EDTSpecial Weather StatementTBWHillsborough24 min
Jul 11, 7:05 PM EDTSpecial Weather StatementTBWManatee40 min
Jul 11, 7:22 PM EDTSpecial Weather StatementTBWHillsborough38 min
Jul 11, 7:28 PM EDTSpecial Marine WarningTBW62 min
Jul 11, 7:38 PM EDTSpecial Weather StatementTBWPasco52 min
Jul 11, 7:46 PM EDTSevere Thunderstorm WarningTBWHillsborough29 min
Jul 11, 7:52 PM EDTSevere Thunderstorm WarningTBWHillsborough, Pasco19 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.