Alert archive / Florida / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 14, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Apr 23, 1991, 4:31 PM EDT for Brevard County, Florida. It was in force for 29 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
- Apr 23, 1991, 4:31 PM EDT (20:31 UTC)
- Expired
- Apr 23, 1991, 5:00 PM EDT
- In force
- 29 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Brevard County, FL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 23, 4:45 PM EDT | Hail 2 | Brevard, 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, 8.5 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
- 281 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 734 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 154 m²/s²
- 0-3 km storm-relative helicity
- 244 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Apr 23, 2:40 PM EDT, 1 hour 51 minutes before
FLZ012-231945- SPECIAL WEATHER AND MARINE WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 240 PM EDT TUE APR 23 1991 ...STRONG THUNDERSTORMS APPROACHING THE SOUTH PART OF VOLUSIA COUNTY..
Special weather statement, Apr 23, 2:43 PM EDT, 1 hour 48 minutes before
FLZ017-011-012-231945- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 242 PM EDT TUE APR 23 1991 ...STRONG THUNDERSTORMS OVER SECTIONS OF EAST CENTRAL FLORIDA... AT 235 PM...SHOWERS AND THUNDERSTORMS CONTINUED OVER AN AREA BOUNDED BY DAYTONA BEACH...CRYSTAL RIVER...MELBOURNE AND TARPON SPRINGS. THE THUNDERSTORMS WITH THE HEAVIEST RAIN WERE IN ABOUT A 10 MILE WIDE BAND FROM JUST EAST OF SANFORD TO ORLANDO AND DISNEY WORLD. FREQUENT LIGHTNING ALONG WITH BRIEFLY GUSTY WINDS AND SMALL HAIL CAN BE EXPECTED WITH THESE STORMS AS THEY MOVER ACROSS THE REMAINDER OF SEMINOLE AND ORANGE COUNTIES...REACHING NORTHERN BREVARD COUNTY BY ABOUT 200 PM. PATCHES OF RAIN WERE BETWEEN ST AUGUSTINE...GAINESVILLE AND CROSS CITY. RAIN AND THUNDERSTORMS WERE OVER THE COASTAL WATERS NORTH OF MELBOURNE. THE RAIN AND THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. MORE SHOWERS AND THUNDERSTORMS MOVING ONSHORE THE WEST COAST ARE LIKELY TO AFFECT LAKE COUNTY DURING THE NEXT FEW HOURS.
Special weather statement, Apr 23, 2:52 PM EDT, 1 hour 39 minutes before
FLZ017-011-012-231945- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE...CORRECTION... NATIONAL WEATHER SERVICE MELBOURNE FL 242 PM EDT TUE APR 23 1991 ...STRONG THUNDERSTORMS OVER SECTIONS OF EAST CENTRAL FLORIDA... AT 235 PM...SHOWERS AND THUNDERSTORMS CONTINUED OVER AN AREA BOUNDED BY DAYTONA BEACH...CRYSTAL RIVER...MELBOURNE AND TARPON SPRINGS. THE THUNDERSTORMS WITH THE HEAVIEST RAIN WERE IN ABOUT A 10 MILE WIDE BAND FROM JUST EAST OF SANFORD TO ORLANDO AND DISNEY WORLD. FREQUENT LIGHTNING ALONG WITH BRIEFLY GUSTY WINDS AND SMALL HAIL CAN BE EXPECTED WITH THESE STORMS AS THEY MOVER ACROSS THE REMAINDER OF SEMINOLE AND ORANGE COUNTIES...REACHING NORTHERN BREVARD COUNTY BY ABOUT 300 PM. PATCHES OF RAIN WERE BETWEEN ST AUGUSTINE...GAINESVILLE AND CROSS CITY. RAIN AND THUNDERSTORMS WERE OVER THE COASTAL WATERS NORTH OF MELBOURNE. THE RAIN AND THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. MORE SHOWERS AND THUNDERSTORMS MOVING ONSHORE THE WEST COAST ARE LIKELY TO AFFECT LAKE COUNTY DURING THE NEXT FEW HOURS.
Special weather statement, Apr 23, 2:55 PM EDT, 1 hour 36 minutes before
FLZ006>017-020-232000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 255 PM EDT TUE APR 23 1991 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF NORTH AND CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS UNTIL 400 PM... STRONG THUNDERSTORMS CONTINUED OVER THE INTERIOR OF THE STATE... STRETCHING FROM SANFORD AND ORLANDO SOUTHWEST TO LAKELAND. THUNDERSTORMS WERE ALONG THE FLORIDA EAST COAST AND OVER THE COASTAL WATERS FROM DAYTONA BEACH SOUTH TO CAPE CANAVERAL AND MELBOURNE AND OVER THE INTERIOR OF NORTH FLORIDA BETWEEN OCALA AND CROSS CITY. THE THUNDERSTORMS EXTENDED INTO THE GULF BETWEEN CRYSTAL RIVER AND TAMPA. SHOWERS WERE ALONG THE EAST COAST FROM JACKSONVILLE SOUTH TO FLAGLER BEACH. THE RAIN AREA REACHED WELL OUT OVER THE ATLANTIC FOR OVER 100 MILES.
Special weather statement, Apr 23, 3:40 PM EDT, 51 minutes before
FLZ017-011-016-232045- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 339 PM EDT TUE APR 23 1991 ...STRONG THUNDERSTORMS MOVING ACROSS NORTHERN BREVARD AND OSCEOLA COUNTIES... ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 PM... AT 335 PM...A LARGE AREA OF RAIN AND THUNDERSTORMS WAS OVER CENTRAL FLORIDA. THE AREA WAS BOUNDED BY DAYTONA BEACH AND SEBASTIAN ON THE EAST COAST AND CEDAR KEY AND ST PETERSBURG ON THE WEST COAST. THE STRONGEST THUNDERSTORMS WERE FROM TITUSVILLE AND THE KENNEDY SPACE CENTER TO NEAR ST CLOUD. THE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 35 MILES AN HOUR. DURING THE NEXT HOUR...THUNDERSTORMS WILL BE AFFECTING CAPE CANAVERAL AND THE MELBOURNE/PALM BAY AREAS. IN ADDITION TO THE FREQUENT LIGHTNING THAT HAS BEEN OCCURRING WITH THESE STORMS...SMALL HAIL AND BRIEFLY GUSTY WINDS ARE POSSIBLE. VERY HEAVY RAIN OCCURRED IN THE ORLANDO AREA BETWEEN 2 AND 3 PM...WITH NEARLY 2 INCHES BEING RECORDED AT THE INTERNATIONAL AIRPORT. MOTORISTS SHOULD BE ALERT FOR STANDING WATER ON ROADWAYS AS THE STORMS PASS ACROSS BREVARD COUNTY. MORE RAIN AND THUNDERSTORMS WERE MOVING ACROSS THE WEST COAST BETWEEN CEDAR KEY AND TAMPA. THEY EXTENDED INLAND OVER MOST OF LAKE AND ORANGE COUNTIES. THEREFORE...STANDING WATER ON ROADWAYS WILL BE A PROBLEM ACROSS THESE AREAS ALSO. MOTORISTS ARE URGED TO BE CAUTIOUS ON THEIR EVENING COMMUTE AROUND THE ORLANDO METROPOLITAN AREA.
Special weather statement, Apr 23, 3:58 PM EDT, 33 minutes before
FLZ006>017-020-232100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 350 PM EDT TUE APR 23 1991 ...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF NORTH AND CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS UNTIL 400 PM... STRONG THUNDERSTORMS CONTINUED OVER EAST CENTRAL FLORIDA...BETWEENCACANAVERAL AND ORLANDO AND WERE MOVING RAPIDLY EAST AT 40 MPH. THUNDERSTORMS WERE OVER WEST CENTRAL FLORIDA BETWEEN LEESBURG AND BAYPORT. SHOWERS WERE ALONG THE EAST COAST AND OVER THE COASTAL WATERS FROM JACKSONVILLE SOUTH TO DAYTONA BEACH AND MELBOURNE. THE SHOWERS STRETCHED OUT TO SEA BEYOND THE GULF STREAM AND WESTWARD ACROSS THE STATE INTO THE GULF FROM CEDAR KEY SOUTH TO TAMPA.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 9:28 AM EDT | Severe Thunderstorm Warning | MLB | Flagler | 62 min |
| Apr 23, 9:57 AM EDT | Tornado Warning | MLB | Flagler | 48 min |
| Apr 23, 12:24 PM EDT | Severe Thunderstorm Warning | MLB | Lake | 66 min |
| Apr 23, 4:01 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 29 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1991Every severe thunderstorm warning in 1991
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.