Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 101, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Aug 17, 1992, 8:40 PM EDT for Volusia County, Florida. It was in force for 50 min.
The area
The counties it named.
The facts
- Issued
- Aug 17, 1992, 8:40 PM EDT (00:40 UTC)
- Expired
- Aug 17, 1992, 9:30 PM EDT
- In force
- 50 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 00:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Jacksonville, FL (KAYS), launched 00:00Z, 0.7 hours before the alert went out and 168 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
- 1655 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 740 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDAB 180040 SVRDAB FLC127-180130- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE DAYTONA BEACH FL 840 PM EDT MON AUG 17 1992 THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 930 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL FLORIDA ...VOLUSIA COUNTY AND FOR MARINE INTERESTS ON THE COASTAL WATERS AROUND... ...VOLUSIA COUNTY SEVERE THUNDERSTORM MOVING THROUGH DAYTONA BECH TOWARD THE COAST... AT 826 PM EDT A WIND GUST TO 60 MPH WAS RECORDED AT THE DAYTONA BEACH NATIONAL WEATHER SERVICE OFFICE. RADAR SHOWED STRONG STORMS FROM ORMOND BEACH ACROSS DAYTONA TO AROUND DEBARY. LITTLE CHANGE IN STRENTGH IN THESE STORMS IS LIKELY FOR AT LEAST THE NEXT HALF HOUR. THE STORMS WERE MOVING SLOWY TOWARD THE EAST AT AROUND 5 TO 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 THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER C OVERS 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, Aug 17, 7:55 PM EDT, 45 minutes before
FLZ006>017-020-180100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 753 PM EDT MON AUG 17 1992 THIS IS A SPECIAL WEATHER AND MARINE WEATHER STATEMENT FOR VOLUSIA COUNTY NORTH OF NEW SMYRNA BEACH... AT 750 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A NARROW BAND OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING STRONG GUSTY WINDS ...FREQUENT DANGEROUS LIGHTNING STRIKES...AND VERY HEAVY RAINS MOVING INTO THE DAYTONA BEACH AREA FROM THE WEST. THE BAND EXTENDED FROM AROUND LAKE CRESCENT TO JUST SOUTHWEST OF DAYTONA. THE STORMS WERE MOVING VERY SLOWLY TOWARD THE EAST. FOR THE NEXT HALF-HOUR TO HOUR...RESIDENTS AND MARINERS SHOULD BE PREPARED FOR THE APPROACH OF THESE STORMS AND SEEK SAFE SHELTER. MOTORISTS CAN EXPECT DANGEROUS DRIVING CONDITIONS WITH LOW VISIBILITIES AND STANDING WATER ON ROADWAYS.. ELESWHERE...THUNDESTORMS WERE SCATTERED FROM JUST NORTH OF LAKE OKEECHOBEE TO CAPE CANAVtERAL AND A FEW THUNDERSTORMS WERE FROM AROUND ORLANDO TO NEAR GAINESVILLE. RAIN EXTENDED FROM SOUTHEAST GEORGIA INTO NORTH FLORIDA NORTHWEST OF GAINESVILE.
Special weather statement, Aug 17, 7:57 PM EDT, 43 minutes before
FLZ017-180100- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 756 PM EDT MON AUG 17 1992 ...STRONG THUNDERSTORMS MOVING TOWARD MELBOURNE AND PALM BAY... AT 750 PM EDT...A CLUSTER OF STRONG THUNDERSTORMS WAS WEST THROUGH SOUTHWEST OF MELBOURNE AND MOVING TOWARD THE COAST AT 5 TO 10 MPH. THESE THUNDERSTORMS SHOULD MOVE INTO THE AREA FROM SEBASTIAN TO COCOA BEACH WITHIN THE NEXT HOUR. RESIDENTS AND BOATERS CAN EXPECT STRONG GUSTY WINDS WITH THESE THUNDERSTORMS...VERY HEAVY RAIN...FREQUENT LIGHTNING...AND POSSIBLE SMALL HAIL. OTHER SHOWERS AND THUNDERSTORMS EXTENDED FROM CAPE CANAVERAL TO ORLANDO AND LAKELAND...AND BETWEEN DAYTONA BEACH...ST AUGUSTINE... AND OCALA.
Special weather statement, Aug 17, 8:27 PM EDT, 13 minutes before
FLZ006>017-020-180100- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 753 PM EDT MON AUG 17 1992 THIS IS A SPECIAL WEATHER AND MARINE WEATHER STATEMENT FOR VOLUSIA COUNTY NORTH OF NEW SMYRNA BEACH... AT 750 PM EDT NATIONAL WEATHER SERVICE RADAR SHOWED A NARROW BAND OF STRONG THUNDERSTORMS CAPABLE OF PRODUCING STRONG GUSTY WINDS ...FREQUENT DANGEROUS LIGHTNING STRIKES...AND VERY HEAVY RAINS MOVING INTO THE DAYTONA BEACH AREA FROM THE WEST. THE BAND EXTENDED FROM AROUND LAKE CRESCENT TO JUST SOUTHWEST OF DAYTONA. THE STORMS WERE MOVING VERY SLOWLY TOWARD THE EAST. FOR THE NEXT HALF-HOUR TO HOUR...RESIDENTS AND MARINERS SHOULD BE PREPARED FOR THE APPROACH OF THESE STORMS AND SEEK SAFE SHELTER. MOTORISTS CAN EXPECT DANGEROUS DRIVING CONDITIONS WITH LOW VISIBILITIES AND STANDING WATER ON ROADWAYS.. ELESWHERE...THUNDESTORMS WERE SCATTERED FROM JUST NORTH OF LAKE OKEECHOBEE TO CAPE CANAVERAL AND A FEW THUNDERSTORMS WERE FROM AROUND ORLANDO TO NEAR GAINESVILLE. RAIN EXTENDED FROM SOUTHEAST GEORGIA INTO NORTH FLORIDA NORTHWEST OF GAINESVILE.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:46 PM EDT | Severe Thunderstorm Warning | MLB | Orange | 44 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1992Every severe thunderstorm warning in 1992
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; radar from the NEXRAD Level II archive.