Alert archive / Florida / Severe Thunderstorm Warnings in 1989
Severe Thunderstorm Warning 22, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 4, 1989, 4:38 PM EDT for Brevard County, Florida. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Jul 4, 1989, 4:38 PM EDT (20:38 UTC)
- Expired
- Jul 4, 1989, 5:30 PM EDT
- In force
- 52 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 8.6 hours before the alert went out and 27 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
- 1423 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 901 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KDAB 042041 RRA
SVRDAB
FLC009-042130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
438 PM EDT TUE JUL 4 1989
THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A
SEVERE THUNDERSTORM WARNING AND
SPECIAL MARINE WARNING EFFECTIVE UNTIL 530 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN EAST CENTRAL FLORIDA
...NORTHEASTERN BREVARD
AND THE ADJOINING COASTAL WATERS.
AT 435 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO THE
NORTHWEST CORNER OF BREVARD COUNTY. THE THUNDERSTORM WAS MOVINTH]ITHE SOUTHEAST AT 10 MPH ON A PATH THAT WILL TAKE THE STORM
VERY CLOSE TO TITUSVILLE AND ACROSS THE COASTAL WATERS AROUND CAPE
CANAVERAL.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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.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, Jul 4, 3:39 PM EDT, 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 340 PM EDT WED JUL 4 1989 ...STRONG THUNDERSTORMS IN FLAGLER AND VOLUSIA COUNTIES... AT 330 PM EDT THE DAYTONA BEACH RADAR SHOWED STRONG THUNDERSTORMS APPROACHING THE ATLANTIC COAST FROM WEST AND NORTH OF MARINELAND SOUTH TO NEAR THE DAYTONA BEACH REGIONAL AIRPORT. THE THUNDERSTORMS WERE MOVING EAST AROUND 15 MPH AND WILL BE ACCOMPANIED BY BRIEF VERY HEAVY RAINFALL...STRONG AND GUSTY WIND... DANGEROUS LIGHTING AND POSSIBLE HAIL FOR THE NEXT ONE TO TWO HOURS. KNOW AND OBSERVE LIGHTNING SAFETY RULES AND TAKE SAFE SHELTER IF IN THE PATH OF THESE STORMS.
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.