Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 37, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 25, 1990, 3:45 PM EDT for Volusia County, Florida. It was in force for 45 min.
The area
The counties it named.
The facts
- Issued
- Jul 25, 1990, 3:45 PM EDT (19:45 UTC)
- Expired
- Jul 25, 1990, 4:30 PM EDT
- In force
- 45 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Volusia 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, 7.8 hours before the alert went out and 91 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
- 1083 J/kg
- Mixed-layer CIN
- -68 J/kg
- Mixed-layer LCL
- 1081 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 6 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 251948 RRA SVRDAB FLC127-252030- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DAYTONA BEACH FL 345 PM EDT WED JUL 25 1990 THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 430 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL FLORIDA ...WESTERN VOLUSIA COUNTY A SEVERE THUNDERSTORM WAS DETECTED BY RADAR OVER THE WEST PART OF VOLUSIA COUNTY MIDWAY BETWEEN DELAND AND BARBERVILLE AND WAS MOVING SO AT 10 MPH. 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 2THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 25, 3:09 PM EDT, 36 minutes before
FLZ009 012-251910- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 310 PM EDT TUE JUL 24 1990 AT 300 PM EDT THE NATIONAL WEATHER SERVICE RADAR AT DAYTONA BEACH SHOWED STRONG THUNDERSTORMS OVER WESTERN VOLUSIA COUNTY AND EASTERN MARION COUNTY. A RESIDENT NEAR PIERSON REPORTED STRONG AND GUSTY WINDS. THESE THUNDERSTORMS WILL PRODUCE STRONG SURFACE WINDS..FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING AND VERY HEAVY RAINFALL CAUSING FLOODING IN AREAS THAT USUALLY FLOOD IN HEAVY RAIN FOR THE NEXT HOUR OR TWO. RESIDENTS OF WEST VOLUSIA COUNTY AND EASTERN MARION COUNTY. SHOULD BE ALERT FOR ADVERSE WEATHER CONDITIONS AND TAKE SHELTER IF CONDITIONS BECOME THREATENING.
Special weather statement, Jul 25, 3:11 PM EDT, 34 minutes before
FLZ009-012-251910- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 310 PM EDT TUE JUL 24 1990 AT 300 PM EDT THE NATIONAL WEATHER SERVICE RADAR AT DAYTONA BEACH SHOWED STRONG THUNDERSTORMS OVER WESTERN VOLUSIA COUNTY AND EASTERN MARION COUNTY. A RESIDENT NEAR PIERSON REPORTED STRONG AND GUSTY WINDS. THESE THUNDERSTORMS WILL PRODUCE STRONG SURFACE WINDS..FREQUENT DANGEROUS CLOUD TO GROUND LIGHTNING AND VERY HEAVY RAINFALL CAUSING FLOODING IN AREAS THAT USUALLY FLOOD IN HEAVY RAIN FOR THE NEXT HOUR OR TWO. RESIDENTS OF WEST VOLUSIA COUNTY AND EASTERN MARION COUNTY. SHOULD BE ALERT FOR ADVERSE WEATHER CONDITIONS AND TAKE SHELTER IF CONDITIONS BECOME THREATENING.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 4:57 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 48 min |
| Jul 25, 5:28 PM EDT | Severe Thunderstorm Warning | MLB | Osceola | 62 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990
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.