Alert archive / Florida / Tornado Warnings in 1997

Tornado Warning 16, NWS Tampa Bay, FL

April 28, 1997Pasco County, Florida

NWS Tampa Bay, FL issued this tornado warning at Apr 28, 1997, 12:11 PM EDT for Pasco County, Florida. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Apr 28, 1997, 12:11 PM EDT (16:11 UTC)
Expired
Apr 28, 1997, 12:45 PM EDT
In force
34 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Pasco County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 4.2 hours before the alert went out and 67 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 1997-04-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1286 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 1997-04-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 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
1286 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
576 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
217 m²/s²
Significant tornado parameter
1.8
Supercell composite
8.2

Open this sounding in Storm Lab

The text

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

816 
WFUS1 KTBW 281613 RRA
TORTBW
FLC101-281645-
 
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
1211 PM EDT MON APR 28 1997
 
THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL 1245 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL FLORIDA
 
   ...EASTERN PASCO COUNTY
 
A SEVERE THUNDERSTORM WHICH HAS HAD A HISTORY OF PRODUCING A TORNADO
WAS LOCATED JUST NORTH OF HUNTERS GREEN MOVING INTO SOUTHEAST PASCO
COUNTY.  THE STORM WAS MOVING NORTHEAST AT 40 MPH.
 
THE NATIONAL WEATHER SERVICE IN RUSKIN REQUESTS THAT SKYWARN
UNITS IN THE COUNTY BE ACTIVATED AND FORWARD ALL SIGNIFICANT
WEATHER REPORTS TO OUR OFFICE.
 
IF YOU ARE IN THE PATH OF A TORNADO MOVE TO A REINFORCED SHELTER
OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID WINDOWS.
ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET
INTO A DITCH OR CULVERT.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 11:42 AM EDTSevere Thunderstorm WarningTBWHillsborough48 min
Apr 28, 11:50 AM EDTTornado WarningTBWHillsborough25 min
Apr 28, 12:20 PM EDTTornado WarningTBWPolk40 min
Apr 28, 1:02 PM EDTTornado WarningTBWHardee, Polk43 min
Apr 28, 1:15 PM EDTTornado WarningTBWDeSoto, Hardee45 min
Apr 28, 1:37 PM EDTTornado WarningTBWCharlotte, Lee53 min
Apr 28, 1:39 PM EDTTornado WarningTBWHighlands66 min
Apr 28, 1:46 PM EDTTornado WarningTBWPolk59 min
Apr 28, 2:42 PM EDTSevere Thunderstorm WarningTBWLee63 min

Nearby

Tornado Warnings in Florida, 1997Every tornado warning in 1997Tornadoes in 1997

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.