Alert archive / Florida / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 39, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 25, 1992, 6:47 PM EST for Orange County, Florida. It was in force for 58 min. 3 reports 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
- Mar 25, 1992, 6:47 PM EST (23:47 UTC)
- Expired
- Mar 25, 1992, 7:45 PM EST
- In force
- 58 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Orange County, FL
The radar
The Melbourne radar (KMLB), 79 km from the middle of the area, began a volume at 23:51 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 25, 7:05 PM EST | Hail 2.75 | Orange, FL | |
| Mar 25, 7:25 PM EST | Hail 2.75 | Orange, FL | |
| Mar 25, 7:54 PM EST | Hail 3 | Orange, 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
Tampa Bay, FL (KTBW), launched 12:00Z, 11.8 hours before the alert went out and 139 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
- 126 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 665 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMLB 252348 SVRMLB FLC095-260045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 647 PM EST WED MAR 25 1992 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL FLORIDA ...ORANGE COUNTY A SEVERE THUNDERSTORM WAS OVER LAKE COUNTY 25 MILES NORTHWEST OF DOWNTOWN ORLANDO. THIS STORM HAS PRODUCED GOLFBALL SIZE HAIL IN LAKE COUNTY DURING THE LAST HALF HOUR. THE STORM WAS MOVING SOUTHEAST AT 30 MPH AND WILL MOVE THROUGH THE ZELLWOOD AND LAKE APOPKA AREA IN THE NEXT HALF HOUR AND INTO WINTER GARDEN BY 730. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE READY TO GO TO A SAFE PLACE IF SEVERE THUNDERSTORMS MOVE TOWARD YOUR AREA, ESPECIALLY IF YOU LIVE IN A MOBILE HOME. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WIND IN EXCESS OF 58 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE OR IN MOBILE HOMES SHOULD MOVE INSIDE A STRONG BUILDING AND STAY AWAY FROM WINDOWS.
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 25, 5:26 PM EST, 1 hour 21 minutes before
FLZ017-011-016-012-009-252330- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 524 PM EST WED MAR 25 1992 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS UNTIL 10 PM... THE TORNADO WATCH INCLUDES THE FOLLOWING COUNTIES IN EAST CENTRAL FLORIDA...LAKE...ORANGE...OSCEOLA...SEMINOLE...BREVARD... INDIAN RIVER...AND THE ADJACENT COASTAL WATERS. AT 520 PM A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM LEVY COUNTY TO GAINESVILLE TO SOUTH OF JACKSONVILLE. THESE STORMS WERE MOVING EAST AT 30 MPH AND WILL BE MOVING INTO MARION AND PUTNAM COUNTIES BETWEEN 6 AND 7 PM. OTHER THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE FROM AROUND LAKE OKEECHOBEE INTO SOUTHERN POLK COUNTY. THESE STORMS WERE DEVELOPING NORTHWARD AT 10 MPH. A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO OR LOCAL BROADCASTING FOR POSSIBLE WARNINGS.
Special weather statement, Mar 25, 5:29 PM EST, 1 hour 18 minutes before
FLZ017-011-016-012-009-252330- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 524 PM EST WED MAR 25 1992 ...A TORNADO WATCH IS IN EFFECT FOR ALL OF EAST CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS UNTIL 10 PM... THE TORNADO WATCH INCLUDES THE FOLLOWING COUNTIES IN EAST CENTRAL FLORIDA...LAKE...ORANGE...OSCEOLA...SEMINOLE...BREVARD... INDIAN RIVER...AND THE ADJACENT COASTAL WATERS. AT 520 PM A LINE OF SEVERE THUNDERSTORMS EXTENDED FROM LEVY COUNTY TO GAINESVILLE TO SOUTH OF JACKSONVILLE. THESE STORMS WERE MOVING EAST AT 30 MPH AND WILL BE MOVING INTO MARION AND PUTNAM COUNTIES BETWEEN 6 AND 7 PM. OTHER THUNDERSTORMS PRODUCING VERY HEAVY RAIN WERE FROM AROUND LAKE OKEECHOBEE INTO SOUTHERN POLK COUNTY. THESE STORMS WERE DEVELOPING NORTHWARD AT 10 MPH. A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAcS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND LISTEN TO NOAA WEATHER RADIO OR LOCAL BROADCASTING FOR POSSIBLE WARNINGS.
Local storm report, Mar 25, 5:44 PM EST, 1 hour 3 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
542 PM EST WED MAR 25 1992
538 PM EST...OFF DUTY SHERRIFS OFFICER REPORTS HAIL APPROXIMATELY
ONE INCH IN DIAMETER...WIND GUSTS TO 60 MPfH IN THE
TOWN OF ROMEO IN WESTERN MARION COUNTY AT 538 PM EST.
RUMORS OF FUNNEL CLOUDS BUT NOT CONFIRMED ATR THIS TIME.Local storm report, Mar 25, 5:50 PM EST, 57 minutes before
STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
550 PM EST WED MAR 25 1992
538 PM EST...OFF DUTY SHERRIFS OFFICER REPORTS HAIL APPROXIMATELY
ONE INCH IN DIAMETER...WIND GUSTS TO 60 MPH IN THE
TOWN OF ROMEO IN WESTERN MARION COUNTY AT 538 PM EST.
RUMORS OF FUNNEL CLOUDS BUT NOT CONFIRMED ATR THIS TIME.
SEVER THUNDERSTORM WARNING IN EFFECT FOR MARION COUNTY
515 TO 615 PM EST.Special weather statement, Mar 25, 5:57 PM EST, 50 minutes before
FLZ017-011-016-012-009-260000- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 552 PM EST WED MAR 25 1992 ...TORNADO WATCH FOR ALL OF EAST CENTRAL FLORIDA AND THE ADJACENT COASTAL WATERS UNTIL 10 PM... AT 550 PM SEVERE THUNDERSTORMS WERE FROM INVERNESS TO SOUTH OF GAINESVILLE. ONE INCH HAIL AND WIND GUSTS TO 60 MPH HAVE BEEN REPORTED WITH THESE STORMS IN MARION COUNTY...AND HAIL HAS BEEN REPORTED IN LEVY AND CITRUS COUNTIES. THESE THUNDERSTORMS WILL MOVE INTO LAKE COUNTY BY 7 PM. PERSONS IN LAKE COUNTY SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER AND BE PREPARED TO TAKE APPROPRIATE ACTION IF A SEVERE THUNDERSTORM WARNING IS ISSUED. ELSEWHERE OwVER EAST CENTRAL FLORIDA LIGHT SHOWERS WERE OVER SOUTHERN OSCEOLA COUNTY AND ALONG THE COAST NEAR VERO BEACH.
Local storm report, Mar 25, 6:26 PM EST, 21 minutes before
STORM REPORT...UPDATED
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
625 PM EST WED MAR 25 1992
538 PM EST...OFF DUTY SHERRIFS OFFICER REPORTS HAIL APPROXIMATELY
ONE INCH IN DIAMETER...WIND GUSTS TO 60 MPH IN THE
TOWN OF ROMEO IN WESTERN MARION COUNTY AT 538 PM EST.
RUMORS OF FUNNEL CLOUDS BUT NOT CONFIRMED ATR THIS TIME.
SEVER THUNDERSTORM WARNING IN EFFECT FOR MARION COUNTY
515 TO 615 PM EST.
605 PM EST...MARION COUNTY SHERIFFS OFFICE REPORTS ONE TREE DOWN ON
MOBILE HOME NO INJURIES...POWER OUTAGES...NUMEROUS
REPORTS OF OTHER TREES DOWN...EXTREMELY HIGH WINDS AND
FREQUENT CLOUD TO GROUND LIGHTNING STRIKES.The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 5:18 PM EST | Severe Thunderstorm Warning | MLB | Marion | 57 min |
| Mar 25, 6:13 PM EST | Severe Thunderstorm Warning | MLB | Lake | 62 min |
| Mar 25, 6:15 PM EST | Severe Thunderstorm Warning | MLB | Marion | 60 min |
| Mar 25, 6:25 PM EST | Severe Thunderstorm Warning | MLB | Palm Beach | 65 min |
| Mar 25, 6:45 PM EST | Severe Thunderstorm Warning | MLB | Flagler, Volusia | 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.