Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 29, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 7, 1992, 1:31 PM EST for Orange County, Florida. It was in force for 44 min.
The area
The counties it named.
The facts
- Issued
- Mar 7, 1992, 1:31 PM EST (18:31 UTC)
- Expired
- Mar 7, 1992, 2:15 PM EST
- In force
- 44 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Orange County, FL
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 12:00Z, 6.5 hours before the alert went out and 81 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
- 1038 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 72 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMLB 071833 SVRMLB FLC095-071915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 131 PM EST SAT MAR 7 1992 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL FLORIDA ...EASTERN ORANGE COUNTY AT 130 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 5 MILES SOUTH OF BITHLO. THE THUNDERSTORM WAS MOVING TO THE SOUTHEAST AT 20 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 58 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A STRONG BUILDING. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. PAF
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, Mar 7, 8:25 AM EST, 5 hours 6 minutes before
FLZ017-011-016-012-009-071430- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 823 AM EST SAT MAR 7 1992 ...STRONG THUNDERSTORM MOVING INTO NORTHERN LAKE COUNTY... AT 820 AM A STRONG THUNDERSTORM WAS WEST OF THE OCALA NATIOANAL FOREST. THIS STORM WILL MOVE ACROSS NORTHERN LAKE COUNTY DURING THE NEXT HOUR WITH VERY HEAVY RAIN...FREQUENT DANGEROUS LIGHTNING... AND POSSIBLE SMALL HAIL. THE THUNDERSTORM WAS MOVING EAST AT 20 TO 25 MPH. ELSEWHERE OVER EAST CENTRAL FLORIDA SHOWERS AND THUNDERSTORMS WERE FROM ST AUGUSTINE TO GAINESVILLE...OCALA AND FLAGLER BEACH. SOME OF THESE STORMS WERE PRODUCING VERY HEAVY RAIN. ALL OF THIS ACTIVITY WAS MOVING EAST AT 20 TO 25 MPH. BETWEEN 9 AND 11 AM SHOWERS AND THUNDERSTORMS WILL EXTEND FROM NEAR DAYTONA BEACH TO MT DORA...NORTH AND WEST TO ST AUGUSTINE AND OCALA. PERSONS IN OR NEAR THESE THUNDERSTORMS SHOULD MOVE INDOORS OR SEEK SAFE SHELTER TO AVOID LIGHTsNING.
Special weather statement, Mar 7, 9:39 AM EST, 3 hours 52 minutes before
FLZ011-012-071545- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 937 AM EST SAT MAR 7 1992 ...STRONG THUNDERSTORMS CONTINUE OVER EAST CENTRAL FLORIDA... AT 935 AM WEATHER SERVICE RADAR SHOWED SCATTERED STRONG THUNDERSTORMS EXTENDING FROM JUST WEST OF LADY LAKE IN NORTHERN LAKE COUNTY EAST TO ASTOR PARK AND JUST EAST OF DELAND. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MPH AND IN ADDITION TO PRODUCING VERY HEAVY DOWNPOURS THEY WILL LIKELY PRODUCE FREQUENT DANGEROUS LIGHTNING... WIND GUSTS OF 30 TO 40 MPH AND POSSIBLE SMALL HAIL. DURING THE NEXT HOUR THE THUNDERSTORMS WILL EXTEND ALONG THE COAST BETWEEN ORMOND BEACH AND NEW SMYRNA BEACH WEST THROUGH DELEON SPRINGS TO BETWEEN LADY LAKE AND UMATILLA. PERSONS IN THESE AREAS SHOULD BE ALERT FOR THESE THUNDERSTORMS AND USE EXTRA CAUTION WHEN DRIVING THIS MORNING. ELSEWHERE IN EAST CENTRAL FLORIDA...SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED ALONG THE COAST AND OVER THE COASTAL WATERS NORTH OF ORMOND BEACH TO ST AUGUSTINE AND CONTINUED INLAND TO WEST OF GAINESVILLE. THESE THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MPH AND WILL CONTINUE THROUGH THE MORNING. PAF
Special weather statement, Mar 7, 10:53 AM EST, 2 hours 38 minutes before
FLZ011-071700- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 1051 AM EST SAT MAR 7 1992 ...STRONG THUNDERSTORMS OVER NORTHERN LAKE COUNTY... AT 1050 AM WEATHER SERVICE RADAR SHOWED A CLUSTER OF STRONG THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL AND CAPABLE OF PRODUCING FREQUENT DANGEROUS LIGHTNING...WIND GUSTS OF OVER 40 MPH AND POSSIBLE HAIL OVER NORTHERN LAKE COUNTY FROM EUSTIS TO 10 MILES SOUTHEAST OF UMATILLA. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 20 MPH AND WILL BE MOVING THROUGH MT DORA AND MT PLYMOUTH WITHIN THE NEXT HALF HOUR. PERSONS IN THESE AREAS SHOULD REMAIN ALERT FOR THE THUNDERSTORMS AND REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE. ELSEWHERE IN EAST CENTRAL FLORIDA...SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED NORTH OF SANFORD AND DAYTONA BEACH THROUGH OCALA AND PALATKA AND CONTINUED INTO NORTH FLORIDA. THE THUNDERSTORMS WILL CONTINUE FOR THE NEXT COUPLE OF HOURS. PAF
Special weather statement, Mar 7, 11:34 AM EST, 1 hour 57 minutes before
FLZ011-071730- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 1133 AM EST SAT MAR 7 1992 ...STRONG THUNDERSTORMS MOVING INTO SEMINOLE COUNTY... AT 1130 AM WEATHER SERVICE RADAR SHOWED A STRONG THUNDERSTORM ABOUT 5 MILES WEST OF LAKE MARY MOVING TO THE SOUTHEAST AT 20 MPH. IN ADDITION TO VERY HEAVY RAINFALL THE THUNDERSTORM WILL LIKELY PRODUCE WIND GUSTS OVER 40 MPH...FREQUENT DANGEROUS LIGHTNING...AND POSSIBLE SMALL HAIL. THE THUNDERSTORM WILL MOVE JUST WEST OF LAKE MARY AND THROUGH LONGWOOD AND ALTAMONTE SPRINGS WITHIN THE NEXT HALF HOUR. PERSONS IN THESE AREAS SHOULD BE ALERT FOR THE THUNDERSTORMS AND SEEK SAFE SHELTER AS THEY APPROACH. REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE. ELSEWHERE IN EAST CENTRAL FLORIDA...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED NORTH OF CLERMONT AND LONGWOOD EXTENDING NORTH TO PALATKA. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 25 MPH. PAF
Special weather statement, Mar 7, 1:01 PM EST, 30 minutes before
FLZ017-011-071900- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 100 PM EST SAT MAR 7 1992 ...STRONG THUNDERSTORMS RAPIDLY DEVELOPING IN EAST CENTRAL FLORIDA... AT 100 PM WEATHER SERVICE RADAR SHOWED A CLUSTER OF RAPIDLY DEVELOPING THUNDERSTORMS EXTENDING FROM WINTER GARDEN THROUGH WINTER PARK THEN CONTINUED EAST ALONG THE ORANGE/ SEMINOLE COUNTY LINE INTO NORTHERN BREVARD COUNTY NEAR MIMS. THE THUNDERSTORMS WERE MOVING TO THE SOUTHEAST AT 20 MPH AND WILL BE MOVING THROUGH THE ORLANDO AREA AND AROUND TITUSVILLE WITHIN THE NEXT HALF HOUR. RESIDENTS OF THESE AREAS SHOULD BE ALERT FOR VERY HEAVY DOWNPOURS AND THE POSSIBILITY OF 1/2 INCH HAIL AND WIND GUSTS OF 40 TO 50 MPH AS THE THUNDERSTORMS PASS. REPORT ANY SEVERE WEATHER TO LOCAL LAW ENFORCEMENT OR THE NATIONAL WEATHER SERVICE. PAF
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 7, 7:16 AM EST | Severe Thunderstorm Warning | MLB | Flagler | 59 min |
| Mar 7, 11:38 AM EST | Severe Thunderstorm Warning | MLB | Seminole | 52 min |
| Mar 7, 2:00 PM EST | Severe Thunderstorm Warning | MLB | Brevard | 60 min |
| Mar 7, 2:35 PM EST | Severe Thunderstorm Warning | MLB | Osceola | 55 min |
| Mar 7, 3:00 PM EST | Severe Thunderstorm Warning | MLB | Brevard | 60 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.