Alert archive / Florida / Tornado Warnings in 1994

Tornado Warning 1, NWS Tampa Bay, FL

January 30, 1994Polk County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jan 30, 1994, 4:03 PM EST for Polk County, Florida. It was in force for 24 min.

The area

The counties it named.

The facts

Issued
Jan 30, 1994, 4:03 PM EST (21:03 UTC)
Expired
Jan 30, 1994, 4:27 PM EST
In force
24 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Polk County, FL

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 9.1 hours before the alert went out and 74 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 1994-01-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1380 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 1994-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 250 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
1380 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
598 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
250 m²/s²
0-3 km storm-relative helicity
291 m²/s²
Significant tornado parameter
1.4
Supercell composite
8.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTBW 302105
TORTBW
FLC105-302145-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
403 PM EST SUN JAN 30 1994
 
THE NATIONAL WEATHER SERVICE IN TAMPA BAY AREA RUSKIN HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  445 PM EST
FOR PEOPLE......
 
IN CENTRAL FLORIDA
 
   ...NORTHWESTERN POLK COUNTY
 
RADAR INDICATED A TORNADO MAY BE FORMING NORTHWEST OF LAKELAND
NEAR THE COUNTY LINE. A SEVERE THUNDERSTORM WAS INDICATED IN THIS
VICINTY MOVING TO THE NORTHEAST NEAR 35 MPH. THIS WOULD PUT THE TOWNS OF
KATHLEEN... GIBSONIA.. GALLOWAY... AND PROVIDENCE IN OR NEAR THE PATH OF
THIS STORM.
 
IF YOU ARE IN THE PATH OF A TORNADO MOVE TO A REINFORCED SHELTER
TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. AVOID WINDOWS.
IF YOU ARE CAUGHT IN THE OPEN...GET INTO A DITCH OR CULVERT.
 
THIS IS A DANGEROUS STORM. TAKE COVER IMMEDIATELY!
 
IF YOU SEE A TORNADO... WATERSPOUT... HAIL OR DAMAGING WIND...
CALL THE WEST2 CENTRAL AND SOUTHWEST FLORIDA SEVERE WEATHER LINE AT
1-800-282-5584.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jan 30, 1:35 PM EST, 2 hours 28 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-504-505-301935-

SPECIAL WEATHER AND MARINE WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
135 PM EST SUN JAN 30 1994

  ...STRONG THUNDERSTORMS OFFSHORE OF FLORIDA WEST CENTRAL COAST...

AT 130 PM EST... RADAR INDICATED A BAND OF RAIN WITH EMBEDDED STRONG
THUNDERSTORMS STRETCHED FROM THE EAST COAST NEAR DAYTONA BEACH SOUTHWEST
SOUTHWEST ACROSS THE PENINSULA TO THE WEST COAST BETWEEN ST. PETERSBURG
AND CRYSTAL RIVER THEN OUT OVER THE GULF FOR 140 MILES.

THE HEAVIEST CONVECTIVE ACTIVITY WAS OBSERVED OVER THE GULF OF MEXICO
10 MILES WEST OF CLEARWATER TO 80 MILES WEST OF VENICE.

MARINERS AND RESIDENTS IN WEST CENTRAL FLORIDA AND THE ADJACENT COASTAL
WATERS SHOULD BE ALERT TO THE POSSIBILITY OF LOCALLY STRONG GUSTY WINDS
...ROUGH SEAS... VERY HEAVY RAINFALL... AND POSSIBLE WATERSPOUTS IN THE
VICINITY OF THESE SHOWERS AND THUNDERSTORMS.
MOVEMENT WAS NORTHEAST AT 30 TO 35 MILES AN HOUR.

OTHER SHOWERS WERE ALSO DETECTED OVER THE NORTHEAST GULF OF MEXICO AND
APALACHEE BAY STRETCHING NORTHEAST TO GAINESVILLE.
Special weather statement, Jan 30, 1:45 PM EST, 2 hours 18 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-504-505-301935-

SPECIAL WEATHER AND MARINE WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
135 PM EST SUN JAN 30 1994

  ...STRONG THUNDERSTORMS OFFSHORE OF FLORIDA WEST CENTRAL COAST...

AT 130 PM EST... RADAR INDICATED A BAND OF RAIN WITH EMBEDDED STRONG
THUNDERSTORMS STRETCHED FROM THE EAST COAST NEAR DAYTONA BEACH SOUTHWEST
SOUTHWEST ACROSS THE PENINSULA TO THE WEST COAST BETWEEN ST. PETERSBURG
AND CRYSTAL RIVER THEN OUT OVER THE GULF FOR 140 MILES.

THE HEAVIEST CONVECTIVE ACTIVITY WAS OBSERVED OVER THE GULF OF MEXICO
10 MILES WEST OF CLEARWATER TO 80 MILES WEST OF VENICE.

MARINERS AND RESIDENTS IN WEST CENTRAL FLORIDA AND THE ADJACENT COASTAL
WATERS SHOULD BE ALERT TO THE POSSIBILITY OF LOCALLY STRONG GUSTY WINDS
...ROUGH SEAS... VERY HEAVY RAINFALL... AND POSSIBLE WATERSPOUTS IN THE
VICINITY OF THESE SHOWERS AND THUNDERSTORMS.
MOVEMENT WAS NORTHEAST AT 30 TO 35 MILES AN HOUR.

OTHER SHOWERS WERE ALSO DETECTED OVER THE NORTHEAST GULF OF MEXICO AND
APALACHEE BAY STRETCHING NORTHEAST TO GAINESVILLE.
Special weather statement, Jan 30, 2:40 PM EST, 1 hour 23 minutes before
FLZ039-042-043-048>052-055>057-060>062-065-504-505-302235-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
440 PM EST SUN JAN 30 1994

 ... A TORNADO WATCH IS IN EFFECT FOR CENTRAL FLORIDA UNTIL 800 PM...

AT 435 PM EST... RADAR DETECTED STRONG THUNDERSTORMS OVER NORTHERN POLK
COUNTY AND ALSO NEAR LONGBOAT KEY.

MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR.

ELSEWHERE PATCHES OF RAIN... ALONG WITH A FEW SHOWERS AND THUNDERSTORMS
WERE OVER THE PENINSULA FROM DAYTONA BEACH AND MELBOURNE... WEST TO BETWEEN
CEDAR KEY AND CAPTIVA... AND EXTENDED WEST OVER THE GULF 110 MILES.

CELL MOVEMENT WAS NORTHEAST AT 40 MILES AN HOUR...
AREA MOVEM0ENT WAS SOUTHEAST AROUND 10 TO 15 MILES AN HOUR.UR.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 30, 2:28 PM ESTSevere Thunderstorm WarningTBWManatee, Sarasota62 min
Jan 30, 2:45 PM ESTSevere Thunderstorm WarningTBWPinellas45 min

Nearby

Tornado Warnings in Florida, 1994Every tornado warning in 1994Tornadoes in 1994

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.