Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 1, NWS Tampa Bay, FL

May 16, 2012Manatee County, Florida

NWS Tampa Bay, FL issued this tornado warning at May 16, 2012, 8:24 PM EDT for Manatee County, Florida. It was in force for 25 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 16, 2012, 8:24 PM EDT (00:24 UTC)
Expired
May 16, 2012, 8:49 PM EDT
In force
25 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon

County Manatee County, FL

The radar

The Tampa radar (KTBW), 12 km from the middle of the area, began a volume at 00:26 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

Miami, FL (KMFL), launched 00:00Z, 0.4 hours before the alert went out and 294 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, Miami, FL at 00:00Z on 2012-05-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2239 joules per kilogram.LCLEL10008507005003002001001 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, Miami, FL at 00:00Z on 2012-05-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 32 square meters per square second.19395878Sfc1 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
2239 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
704 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
32 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.2

Open this sounding in Storm Lab

The text

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

751 
WFUS52 KTBW 170024
TORTBW
FLC081-170100-
/O.NEW.KTBW.TO.W.0001.120517T0024Z-120517T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
824 PM EDT WED MAY 16 2012

THE NATIONAL WEATHER SERVICE IN RUSKIN HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN MANATEE COUNTY IN FLORIDA.

* UNTIL 900 PM EDT

* AT 823 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 9 MILES WEST OF PARRISH...OR NEAR PALMETTO...MOVING
  NORTHEAST AT 10 MPH.

* THE TORNADO WILL BE NEAR...
  PARRISH.

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 2765 8252 2765 8230 2764 8228 2751 8257
      2757 8261
TIME...MOT...LOC 0024Z 244DEG 9KT 2755 8256

$$
2 follow-up statements
869 
WWUS52 KTBW 170040
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
840 PM EDT WED MAY 16 2012

FLC081-170100-
/O.CON.KTBW.TO.W.0001.000000T0000Z-120517T0100Z/
MANATEE FL-
840 PM EDT WED MAY 16 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT FOR CENTRAL
MANATEE COUNTY...

AT 839 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.   LOCATED 3 MILES WEST OF PARRISH...MOVING 
NORTHEAST AT 15 MPH.

THE TORNADO WILL BE NEAR...
  PARRISH.

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 2765 8252 2765 8230 2764 8228 2751 8257
      2757 8261
TIME...MOT...LOC 0039Z 245DEG 15KT 2757 8251

$$
863 
WWUS52 KTBW 170049
SVSTBW

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
849 PM EDT WED MAY 16 2012

FLC081-170057-
/O.CAN.KTBW.TO.W.0001.000000T0000Z-120517T0100Z/
MANATEE FL-
849 PM EDT WED MAY 16 2012

...THE TORNADO WARNING FOR CENTRAL MANATEE COUNTY IS CANCELLED...

THE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO HAS WEAKENED AND THE 
TORNADO WARNING HAS BEEN CANCELED. THIS STORM WILL CONTINUE TO 
PRODUCE STRONG GUSTY WINDS AND HEAVY RAIN OVER NORTHERN MANATEE AND 
SOUTHERN HILLSBOROUGH COUNTY THROUGH 930 PM.

LAT...LON 2765 8252 2765 8230 2764 8228 2751 8257
      2757 8261
TIME...MOT...LOC 0047Z 245DEG 15KT 2758 8248

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 16, 8:09 PM EDTSpecial Weather StatementTBWManatee66 min
May 16, 9:19 PM EDTSpecial Weather StatementTBWHighlands56 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.