Alert archive / Florida / Tornado Warnings in 1987

Tornado Warning 2, NWS Tampa Bay, FL

January 22, 1987Pasco County, Florida

NWS Tampa Bay, FL issued this tornado warning at Jan 22, 1987, 7:09 AM EST for Pasco County, Florida. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jan 22, 1987, 7:09 AM EST (12:09 UTC)
Expired
Jan 22, 1987, 7:35 AM EST
In force
26 min
Issued by
NWS Tampa Bay, FL
Area
Whole counties

County Pasco 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, 0.2 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 1987-01-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 326 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 1987-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 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
326 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
703 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.3
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KTBW 221209
TORTBW
FLC101-221235-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE TAMPA BAY-RUSKIN FL
709 AM EST THU JAN 22 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO AND SPECIAL 
MARINE WARNING EFFECTIVE UNTIL 735 AM EST FOR PEOPLE IN THE 
FOLLOWING COUNTY OF

WEST CENTRAL FLORIDA...PASCO
...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE
COUNTY JUST MENTIONED

 NEW PORT RICHY POLICE REPORTS TORNADO TOUCHDOWN. THE STORM WILL
 MOVE TOWARDS THE SOUTHEAST AT 20 TO 30 MPH.

IF YOU ARE IN THE PATH OF THIS TORNADO..GO TO A REINFORCED SHELTER
OR A CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND
MOBILE HOMES FOR A REINFORCED BUILDING.

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 22, 4:40 AM EST, 2 hours 29 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
445 AM EST THU JAN 22 1987

...SOME MINOR FLOODING OF LOW LYING AREAS ADJACENT TO THE BAYFRONT
IN AND AROUND TAMPA BAY AND THE OTHER BAYS ON THE FLORIDA WEST COAST
THIS MORNING...

THE TIDE WILL BE HIGH AT THE ST. PETERSBURG PIER AT 7 11 AM EST
THIS MORNING. BECAUSE OF STRONG SOUTH AND SOUTHWEST WINDS...TIDAL
WATER WILL TEND TO PILE UP IN THE BAYS...PRODUCING MINOR FLOODING
OF THOSE AREAS ADJACENT TO THE BAY UNTIL SHORTLY AFTER THE HIGH
TIDE TIME. TIDES WILL RUN ABOUT ONE TO TWO FEET ABOVE NORMAL.

COINCIDENT WITH THE HIGH TIDE WILL BE THE PASSAGE OF A LINE OF SHOWERS
AND THUNDERSTORMS WITH RAIN ENHANCING THE COLLECTqION OF WATER IN
THE LOWER AREAS ALONG THE BAYFRONT FOR AN HOUR OR TWO.

THE THREAT OF FLOODING SHOULD SUBSIDE AFTER 9AM THIS MORNING IN THE
TAMPA AREA AND AFTER NOON IN THE FT. MYERS AREA.
Special weather statement, Jan 22, 5:24 AM EST, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT RESENT BY REQUEST
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
445 AM EST THU JAN 22 1987

...SOME MINOR FLOODING OF LOW LYING AREAS ADJACENT TO THE BAYFRONT
IN AND AROUND TAMPA BAY AND THE OTHER BAYS ON THE FLORIDA WEST COAST
THIS MORNING...

THE TIDE WILL BE HIGH AT THE ST. PETERSBURG PIER AT 7 11 AM EST
THIS MORNING. BECAUSE OF STRONG SOUTH AND SOUTHWEST WINDS...TIDAL
WATER WILL TEND TO PILE UP IN THE BAYS...PRODUCING MINOR FLOODING
OF THOSE AREAS ADJACENT TO THE BAY UNTIL SHORTLY AFTER THE HIGH
TIDE TIME. TIDES WILL RUN ABOUT ONE TO TWO FEET ABOVE NORMAL.

COINCIDENT WITH THE HIGH TIDE WILL BE THE PASSAGE OF A LINE OF SHOWERS
AND THUNDERSTORMS WITH RAIN ENHANCING THE COLLECTION OF WATER IN
THE LOWER AREAS ALONG THE BAYFRONT FOR AN HOUR OR TWO.

THE THREAT OF FLOODING SHOULD SUBSIDE AFTER 9AM THIS MORNING IN THE
TAMPA AREA AND AFTER NOON IN THE FT. MYERS AREA.
Special weather statement, Jan 22, 6:40 AM EST, 29 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMERY
NATIONAL WEATHER SERVICE TAMPA BAY AREA RUSKIN FL
630 AM EST THU JAN 22 1987

        ...A TORNADO WATCH IS IN EFFECT FOR MUCH OF WEST
        CENTRAL AND SOUTHWEST FLORIDA UNTIL 100PM EST...

AT 630 AM RADAR SHOWED A 10 MILE WIDE LINE OF STRONG THUNDERSTORMS
EXTENDING FROM HOMOSASSA SOUTH ALONG THE COAST TO 20 MILES OFF THE
MOUTH OF THE TAMPA BAY TO 70 MILES WEST OF FORT MYERS.

THIS LINE OF THUNDERSTORMS WAS EMBEDDED IN A 60 MILES WIDE BAND OF
RAIN THAT EXTENDED FROM JACKSONVILLE SOUTH ACROSS WEST CENTRAL FLORIDA
130 MILES WEST OF CAPE ROMANO.

LINE MOVEMENT WAS EAST TO SOUTHEAST AT 30 MILES AN HOUR.

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 22, 7:00 AM ESTTornado WarningTBWCitrus60 min

Nearby

Tornado Warnings in Florida, 1987Every tornado warning in 1987Tornadoes in 1987

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.