Alert archive / Florida / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 7, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 23, 1989, 3:10 PM EST for Flagler County, Volusia County, Florida. It was in force for 60 min. 2 reports 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
- Mar 23, 1989, 3:10 PM EST (20:10 UTC)
- Expired
- Mar 23, 1989, 4:10 PM EST
- In force
- 60 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
Counties Flagler County, FL, Volusia 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 23, 3:30 PM EST | Hail 1.25 | Volusia, FL | |
| Mar 23, 3:50 PM EST | Hail 1 | Flagler, 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 8.2 hours before the alert went out and 113 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.
- Mixed-layer CAPE
- 1225 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 639 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDAB 232009
SVRDAB
FLC035-127-232110-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
310 PM EST THU MAR 23 1989
THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL 410 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHEAST FLORIDA
...FLAGLER
IN EAST CENTRAL FLORIDA
...NORTHERN VOLUSIA
AND ADJOINING COASTAL WATERS OF VOLUSIA AND FLAGLER COUNTIES.
AT 3PM A SEVERE THUNDERSTORM WAS APPROACHING VOLUSIA COUNTY NEAR ASTER
PARK..MOVING TOWARD BARBERVILLE AT 35 MPH. THIS STORM IS LIKELY TO
MOVE NORTHEAST INTO FLAGLER COUNTY.
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A
STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS.
STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
AS THE THUNDERSTORMS MOVE OUT OVER THE COASTAL WATERS...BOATERS
IN THE THREATENED AREA CAN EXPECT STRONG WINDS...ROUGH SEAS AND
LIGHTNING. BOATERS SHOULD TAKE NECESSARY ACTION TO AVOID THE
DANGEROUS THUNDERSTORMS.!jWhat forecasters said that day
The local office's own words before this severe thunderstorm 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 23, 1:37 PM EST, 1 hour 33 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 135 PM EST THU MAR 23 1989 A SEVERE THUNDERSTORMS WATCH IS IN EFFECT UNTIL 7PM FOR MUCH OF THE FLORIDA EAST COAST AND THE ADJACENT COASTAL WATERS. THIS WATCH INCLUDES ALL OF THE COASTAL COUNTIES FROM JACKSONVILLE TO MIAMI AND EXTENDS INLAND FOR ABOUT 80 MILES TO INCLUDE MARION COUNTY. A COLD FRONT IN THE GULF IS MOVING TOWARD FLORIDA AND SOME POTENTIALLY SEVERE THUNDERSTORMS ARE APT TO DEVELOPE ALONG AND AHEAD OF THE FRONT AS IT MOVES ACROSS THE STATE THIS AFTERNOON. THE THUNDERSTORMS ARE EXPECTED TO REACH THE DAYTONA BEACH AREA NEAR 4PM OR LATER AND INTO BREVARD AND INDIAN RIVER COUNTIES EVEN LATER IN THE AFTERNOON. AT 130PM RADAR INDICATED A LINE OF THUNDERSTORMS FROM 50 MILES WEST OF JACKSONVILLE TO GAINESVILLE AND SOUTHWARD TO THE TAMPA BAY AREA. VERY STRONG THUNDERSTORMS IN THE LINE WERE NOTED NEAR LAKE CITY AND 15 MILES SOUTH OF GAINESVILLE. THE THUNDERSTORM LINE IS MOVING EAST AT 25 MILES AND IS APPROACHING OCALA AND SILVER SPRINGS.
Special weather statement, Mar 23, 1:59 PM EST, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ORLANDO FL
155 PM EST THU MAR 23 1989
....A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR LAKE...SEMINOLE...
ORANGE AND OSCEOLA COUNTIES OF CENTRAL FLORIDA UNTIL 7PM....
AT 200 PM EST WEATHER RADAR SHOWS THUNDERSTORMS APPROACHING THE WESTERN
BORDER OF LAKE COUNTY. THE THUNDERSTORMS WILL PRODUCE STRONG GUSTY WINDS
...HEAVY RAINFALL...FREQUENT LIGHTNING AND POSSIBLE HAIL.
THE STRONGEST THUNDERSTORMS WERE APPROACHING THE LAKE COUNTY COMMUNITY
OF LADY LAKE.
THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MILES AN HOUR.
REMEMBER....A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.Special weather statement, Mar 23, 2:51 PM EST, 19 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 252 PM EST THU MAR 23 1989 A SEVERE THUNDERSTORMS WATCH IS IN EFFECT UNTIL 7PM FOR MUCH OF THE FLORIDA EAST COAST AND THE ADJACENT COASTAL WATERS. THIS WATCH INCLUDES ALL OF THE COASTAL COUNTIES FROM JACKSONVILLE TO MIAMI AND EXTENDS INLAND FOR ABOUT 80 MILES TO INCLUDE MARION COUNTY. A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR SOUTHEAST MARION COUNTY UNTIL 315PM. RESIDENTS OF FLAGLER AND VOLUSIA SHOULD BE ON THE ALERT FOR APPROACHING THUNDERSTORMS. IT MAY BE NECESSARY TO ISSUE WARNINGS FOR THESE COUNTIES AS STORMS IN MARION COUNTY MOVE EAST. A COLD FRONT IN THE GULF IS MOVING INTO FLORIDA AND SOME POTENTIALLY SEVERE THUNDERSTORMS ARE APT TO DEVELOPE ALONG AND AHEAD OF THE FRONT AS IT MOVES ACROSS THE STATE THIS AFTERNOON. THE THUNDERSTORMS ARE EXPECTED TO REACH THE DAYTONA BEACH AREA NEAR 4PM AND INTO BREVARD AND INDIAN RIVER COUNTIES LATER IN THE AFTERNOON. AT 245PM RADAR INDICATED A LINE OF THUNDERSTORMS FROM 20 MILES
Special weather statement, Mar 23, 2:55 PM EST, 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 252 PM EST THU MAR 23 1989 A SEVERE THUNDERSTORMS WATCH IS IN EFFECT UNTIL 7PM FOR MUCH OF THE FLORIDA EAST COAST AND THE ADJACENT COASTAL WATERS. THIS WATCH INCLUDES ALL OF THE COASTAL COUNTIES FROM JACKSONVILLE TO MIAMI AND EXTENDS INLAND FOR ABOUT 80 MILES TO INCLUDE MARION COUNTY. A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR SOUTHEAST MARION COUNTY UNTIL 315PM. RESIDENTS OF FLAGLER AND VOLUSIA SHOULD BE ON THE ALERT FOR APPROACHING THUNDERSTORMS. IT MAY BE NECESSARY TO ISSUE WARNINGS FOR THESE COUNTIES AS STORMS IN MARION COUNTY MOVE EAST. A COLD FRONT IN THE GULF IS MOVING INTO FLORIDA AND SOME POTENTIALLY SEVERE THUNDERSTORMS ARE APT TO DEVELOPE ALONG AND AHEAD OF THE FRONT AS IT MOVES ACROSS THE STATE THIS AFTERNOON. THE THUNDERSTORMS ARE EXPECTED TO REACH THE DAYTONA BEACH AREA NEAR 4PM AND INTO BREVARD AND INDIAN RIVER COUNTIES LATER IN THE AFTERNOON. AT 245PM RADAR INDICATED A LINE OF THUNDERSTORMS FROM 20 MILES WEST OF ST. AUGUSTINE TO 20 MILES SOUTHEAST OF OCALA ..MOVING EAST AT 25 MILES. OTHER THUNDERSTORMS WERE SCATTERED OVER NORTH AND CENTRAL FLORIDA FROM MT. DORA NORTHEA ST INTO SOUTH GEORGIA.
Special weather statement, Mar 23, 2:59 PM EST, 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ORLANDO FL
300 PM EST THU MAR 23 1989
....A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR LAKE...SEMINOLE...
ORANGE AND OSCEOLA COUNTIES OF CENTRAL FLORIDA UNTIL 7PM....
AT 305 PM EST WEATHER RADAR SHOWS STRONG THUNDERSTORMS MOVING THROUGH
LAKE COUNTY. THE STRONGEST THUNDERSTORMS WERE LOCATED JUST WEST OF
UMATILLA AND EUSTIS.
OTHER ISOLATED SHOWERS AND THUNDERSTORMS WERE LOCATED IN SOUTHERN
ORANGE AND OSCEOLA COUNTIES.
THUNDERSTORMS WERE MOVING EAST AT 25 MPH.
A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER
CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.Special weather statement, Mar 23, 3:02 PM EST, 8 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION.
NATIONAL WEATHER SERVICE ORLANDO FL
300 PM EST THU MAR 23 1989
....A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR LAKE...SEMINOLE...
ORANGE AND OSCEOLA COUNTIES OF CENTRAL FLORIDA UNTIL 7PM....
AT 300 PM EST WEATHER RADAR SHOWS STRONG THUNDERSTORMS MOVING THROUGH
LAKE COUNTY. THE STRONGEST THUNDERSTORMS WERE LOCATED JUST WEST OF
UMATILLA AND EUSTIS.
OTHER ISOLATED SHOWERS AND THUNDERSTORMS WERE LOCATED IN SOUTHERN
ORANGE AND OSCEOLA COUNTIES.
THUNDERSTORMS WERE MOVING EAST AT 25 MPH.
A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR
SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN
THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER
CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 2:30 PM EST | Severe Thunderstorm Warning | MLB | Marion | 45 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1989Every severe thunderstorm warning 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.