Alert archive / Florida / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 2, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Feb 21, 1989, 4:45 PM EST for Brevard County, Florida. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1989, 4:45 PM EST (21:45 UTC)
- Expired
- Feb 21, 1989, 5:47 PM EST
- In force
- 62 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Brevard 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, 9.8 hours before the alert went out and 180 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
- 927 J/kg
- Mixed-layer CIN
- -42 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 178 m²/s²
- 0-3 km storm-relative helicity
- 192 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.7
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDAB 212147
SVRDAB
FLC009-212247-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
445 PM EST TUE FEB 21 1989
THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL FLORIDA
...NORTHERN BREVARD
AT 445PM A SEVERE THUNDERSTORM WAS MOVING ACROSS BREVARD COUNTY IN THE
VICINITY OF COCOA..MOVING NORTHEAST AT 35 MPH.
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSI^DE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.What 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, Feb 21, 3:40 PM EST, 1 hour 5 minutes before
SEVERE WEATHER STATEMENT RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 335 PM EST TUE FEB 21 1989 A SEVERE THUNDERSTORMS WARNING IS IN EFFECT FOR VOLUSIA COUNTY UNTIL 425 PM EST... VERY STRONG THUNDERSTORMS WERE MOVING INTO WEST VOLUSIA COUNTY AND EXTENDED NORTHWARD TO THE GEORGIA BORDER. CANAVERAL. SHOWERS AND THUNDERSTORMS COVERED MUCH OF THE FLORIDA PENINSULA FROM SARASOTA AND AVON PARK NORTHWARD. MOVEMENT WAS NORTHEAST 35 MILES+ AN HOUR.
Local storm report, Feb 21, 4:42 PM EST, 3 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
430 PM EST TUE FEB 21 1989
TIME EVENT
412 PM EST HIGH WINDS IN VOLUSIA COUNTY FLORIDA...FEB 21 1989.
REPORT OF 3/4 TO 1 INCH HAIL WAS REPORTED IN DAYTONA
BEACH WITH SOME MINOR DAMAGE TO RESIDENCE.
THE STRONGEST WIND RECORDED AT DAYTONA BEACH REGIONAL
AIRPORT WAS 49 MPH AT 402 PM EST.
235PM PM EST HIGH WINDS IN OCALA FLORIDA..S\EVERAL TREES AND POWERLINES
DOWN.. DAMAGE TO MOBILE HOMES..BILL BOARDS DOWNS. GOLF BALL
SIZE HAIL IN OCALA .The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 3:00 PM EST | Tornado Warning | MLB | Marion | 45 min |
| Feb 21, 3:25 PM EST | Severe Thunderstorm Warning | MLB | Volusia | 60 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; the sounding from the Mesonet's radiosonde archive.