Alert archive / Florida / Tornado Warnings in 1986

Tornado Warning 4, NWS Tampa Bay, FL

March 14, 1986Polk County, Florida

NWS Tampa Bay, FL issued this tornado warning at Mar 14, 1986, 9:05 AM EST for Polk County, Florida. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Mar 14, 1986, 9:05 AM EST (14:05 UTC)
Expired
Mar 14, 1986, 9:30 AM EST
In force
25 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Polk County, FL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 2.1 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 1986-03-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1405 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 1986-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 242 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
1405 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
242 m²/s²
0-3 km storm-relative helicity
337 m²/s²
Significant tornado parameter
2.0
Supercell composite
10.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTBW 141408
TORTBW
FLC105-141430-

BULLETIN.....EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
905 AM EST FRI MAR 14 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 930 AM EST FOR PEOPLE IN THE FOLLOWING COUNTIES IN

WEST CENTRAL FLORIDA ... POLK

A TORNADO WAS OBSERVED JUST EAST OF LAKELAND AT 900 AM MOVING
TOWARDS THE NORTHEAST AT 30 MPH.

IF THREATENING CONDITIONS AREA SIGHTED GO TO A BPLACE OF SAFETY
IMMEDIATELY. YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY
TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER
SERVICE OFFICE. LISTEN TO NOAA WEATHER RADIO FOR ADDITIONAL
INFORMATION.

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, Mar 14, 5:29 AM EST, 3 hours 36 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
528 AM EST FRI MAR 14 1985

A TORNADO WATCH IS INEFFECT FOR LEVY..CITRUS AND HERNANDO COUNTIES
IN FLROIDA UNTIL 9 AM EST.

AN AREA OF VERY HEAVY THUNDERSTORMS WAS OCCURRING FROM CROSS CITY TO
CEDAR KEY AND EXTENDED SOUTHWEST OUT OVER THE GULF FOR SOME 125 MILES.

SHOWERS AND RAIN COVERD MUCH OF THE EASTERN PORTIONS OF THE GULF.

MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR.
Special weather statement, Mar 14, 5:31 AM EST, 3 hours 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
528 AM EST FRI MAR 14 1985

A TORNADO WATCH IS INEFFECT FOR LEVY..CITRUS AND HERNANDO COUNTIES
IN FLORIDA UNTIL 9 AM EST.

AN AREA OF VERY HEAVY THUNDERSTORMS WAS OCCURRING FROM CROSS CITY TO
CEDAR KEY AND EXTENDED SOUTHWEST OUT OVER THE GULF FOR SOME 125 MILES.

SHOWERS AND RAIN COVERD MUCH OF THE EASTERN PORTIONS OF THE GULF.

MOVEMENT WAS TO THE SOUTHEAST AT 25 MILES AN HOUR.
Special weather statement, Mar 14, 6:28 AM EST, 2 hours 37 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
628 AM EST FRI MAR 14 1985

A TORNADO WATCH IS INEFFECT FOR LEVY..CITRUS AND HERNANDO COUNTIES
IN FLORIDA UNTIL 9 AM EST.

A LINE OF VERY HEAVY THUNDERSHOWERS WAS OCCURRING FROM CEDAR KEY TO
A POINT 100 MILES WEST OF SARASOTA. SHOWERS AND RAIN CONTINUED OVER MUCH OF
THE CENTRAL AND EAST CENTRAL GULF WATERS.

MOVEMENT WAS SOUTHEAST AT 25 MILES AN HOUR.
Special weather statement, Mar 14, 7:31 AM EST, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
728 AM EST FRI MAR 14 1985

A TORNADO WATCH IS IN EFFECT FOR LEVY..CITRUS AND HERNANDO COUNTIES
IN FLORIDA UNTIL 9 AM EST.

A LINE OF VERY HEAVY THUNDERSHOWERS WAS OCCURRING FROM OCALA TO HOMOSSASA
AND OUT OVER THE GULF WATERS SOUTHWEST TO 50 MILES WEST OF SARASOTA.
ELSEWHERE A  LARGE AREA OF RAIN WITH SHOWERS COVERED MUCH OF THE EASTERN
GULF.

MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR.
Special weather statement, Mar 14, 7:39 AM EST, 1 hour 26 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
740 AM EST FRI MAR 14 1986

THIS STATEMENT IS FOR LEVY COUNTY IN WEST CENTRAL FLORIDA.

THE TORNADO WATCH FOR LEVY COUNTY HAS BEEN CANCELLED EFFECTIVE AT
745 THIS MORNING.

THE LINE OF THUNDERSTORMS HAS MOVED SOUTHEASTWARD OUT OF LEVY COUNTY.
Special weather statement, Mar 14, 8:47 AM EST, 18 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
840 AM EST FRI MAR 14 1986

A TORNADO WATCH REMAINS IN EFFECT FOR CITRUS AND HERNANDO COUNTY UNTIL
9AM EST FRI 14 MAR 1986.

A LINE OF VERY HEAVY THUNDERSTORMS EXTENDED FROM JUST OFFSHORE OF
CRYSTAL RIVER...SOUTHWEST OUT OVER GULF WATERS TO A POINT 100 MILES
WEST OF THE FORT MYERS AREA.
ANOTHER BAND OF THUNDERSHOWERS STRETCHED FROM NEAR DAYTONA BEACH...
SO1UTHWEST THROUGH THE TAMPA BAY AREA...AND ON OUT OVER GULF WATERS
FOR 75 MILES.
THE LINE OF THUNDERSHOWERS WAS MOVING TO THE SOUTHEAST AT 30 MILES AN
HOUR WITH INDIVIDUAL THUNDERSHOWERS MOVING TO THE NORTHEAST AT 35 MILES
AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 9:43 AM ESTSevere Thunderstorm WarningTBWHillsborough47 min
Mar 14, 10:35 AM ESTTornado WarningTBWSarasota25 min

Nearby

Tornado Warnings in Florida, 1986Every tornado warning in 1986Tornadoes in 1986

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.