Alert archive / Florida / Tornado Warnings in 1989

Tornado Warning 3, NWS Jacksonville, FL

May 21, 1989Alachua County, Bradford County, Clay County, Florida

NWS Jacksonville, FL issued this tornado warning at May 21, 1989, 2:39 PM EDT for Alachua County, Bradford County, Clay County, Florida. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 21, 1989, 2:39 PM EDT (18:39 UTC)
Expired
May 21, 1989, 3:15 PM EDT
In force
36 min
Issued by
NWS Jacksonville, FL
Area
Whole counties

Counties Alachua County, FL, Bradford County, FL, Clay County, FL

The radar

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

What was reported inside it

TimeReportWhereRemark
May 21, 3:00 PM EDTThunderstorm Wind 50Alachua, FL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Jacksonville, FL (KAYS), launched 12:00Z, 6.7 hours before the alert went out and 81 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, Jacksonville, FL at 12:00Z on 1989-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 271 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, Jacksonville, FL at 12:00Z on 1989-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -8 square meters per square second.1939Sfc1 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
271 J/kg
Mixed-layer CIN
-138 J/kg
Mixed-layer LCL
1197 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-8 m²/s²
0-3 km storm-relative helicity
-17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAX 211855 COR
TORJAX
FLC001-007-019-211915-

BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING CORRECTED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
255 PM EDT SUN MAY 21 1989

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  315 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...

IN NORTH FLORIDA
          ...ALACHUA...BRADFORD...CLAY

AT 230 PM EDT THE ALACHUA COUNTY CIVIL DEFENSE REPORTED A FUNNEL
CLOUD OVER FAIRBANKS IN ALACHUA COUNTY MOVING EAST AT 25 MILES AN
HOUR. NATIONAL WEATHER SERVICE RADAR SHOWS STRONG THUNDERSTORMS IN
THE AREA.

IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS A
BASEMENT.  GET UNDER A WORKBENCH OR PIECE OF STURDY FURNITURE.
IF NO BASEMENT IS AVAILABLE...SEEK SHELTER IN AN INTERIOR ROOM
SUCH AS A CLOSET ON THE LOWEST FLOOR.  USE BLANKETS...PILLOWS...
OR CUSHIONS TO COVER YOUR BODY.  AVOID WINDOWS.

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, May 21, 1:54 PM EDT, 45 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
155 PM EDT SUN MAY 21 1989

   ...STRONG THUNDERSTORMS MOVING THROUGH NORTHEAST FLORIDA...

AT 150 PM NATIONAL WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS
FROM 20 MILES WEST OF GAINESVILLE NORTH THROUGH LAKE CITY TO THE
FLORIDA GEORGIA BORDER.

IN THE PAST HOUR...HAIL THE SIZE OF QUARTERS WAS REPORTED BY THE
HAMILTON COUNTY CIVIL DEFENSE DIRECTOR IN JASPER FLORIDA ALONG WITH
HIGH WINDS AND POWER OUTAGES.

THUNDERSTORMS ARE MOVING  EAST AT 20 MILES AN HOUR AND WILL LIKELY
BE ACCOMPANIED BY PERIODS OF LOCALLY HEAVY RAIN...GUSTY WINDS...
FREQUENT LIGHTNING STRIKES AND HAIL FOR THE NEXT ONE TO TWO HOURS.
REMEMBER...MORE PEOPLE ARE KILLED BY LIGHTNING IN FLORIDA THAN ANY
OTHER STATE IN THE COUNTRY. WHEN A THUNDERSTORM THREATENS TRY TO GET
INSIDE A HOME OR LARGE BUILDING. IF YOU DO NOT HAVE TIME TO REACH A
SAFE BUILDING OR CAR...AVOID OPEN FIELDS SUCH AS GO|LF COURSES...
BASEBALL FIELDS...BEACHES...OR FISHING FROM A SMALL BOAT OR PIERS.

STAY TUNED TO NOAA WEATHER RADIO AND OTHER NEWS MEDIA FOR FURTHER
STATEMENTS OR POSSIBLE WARNINGS THAY MAY BE NECESSARY THIS AFTERNOON.

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 4:03 PM EDTSevere Thunderstorm WarningJAXPutnam, Saint Johns42 min

Nearby

Tornado Warnings in Florida, 1989Every tornado warning in 1989Tornadoes in 1989

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.