Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 2, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Feb 22, 1993, 6:14 PM EST for Glades County, Florida. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Feb 22, 1993, 6:14 PM EST (23:14 UTC)
- Expired
- Feb 22, 1993, 7:15 PM EST
- In force
- 61 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Glades County, FL
The radar
The Melbourne radar (KMLB), 139 km from the middle of the area, began a volume at 23:17 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
Tampa Bay, FL (KTBW), launched 12:00Z, 11.2 hours before the alert went out and 146 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
- 926 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 648 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 263 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 222314 SVRMIA FLC043-230015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 614 PM EST MON FEB 22 1993 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTH FLORIDA ...NORTHEASTERN GLADES COUNTY AT 6 10 PM WEATHER RADAR INDICATED A SEVERE THUNDERSTORM MOVING INTO NORTHEAST GLADES COUNTY. THIS THUNDERSTORM IS MOVING EAST AT 25 TO 30 MPH. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. SEEK SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE TELEPHONE"S OR ELECTRICAL APPLIANCES. A MOBILE HOME IS NOT A SAFE REFUGE FROM A SEVERE THUNDERSTORM...MOVE TO A MORE SUBSTANTIAL BUILDING.
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, Feb 22, 12:38 PM EST, 5 hours 36 minutes before
FLZ011-013}023-221830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1230 PM EST MON FEB 22 1993 ..... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EST ..... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTH FLORIDA WHICH INCLUDES OKEECHOBEE COUNTY. AT 1230 THUNDERSTORMS EXTENDED FROM WEST END GRAND BAHAMA ISLAND TO WELL OFFSHORE VERO BEACH. OVERLAND...A HEAVY THUNDERSTORM WAS JUST EAST OF SEBRING AND AVON PARK AND WAS MOVING INTO NORTHWEST OKEECHOBEE COUNTY. ALSO A LARGE AREA OF RAIN WAS COVERING MOST OF CENTRAL FLORIDA BUT MUCH OF THIS PRECIPITATION WAS NOT REACHING THE GROUND. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. NNNN
Special weather statement, Feb 22, 1:32 PM EST, 4 hours 42 minutes before
FLZ011-013}023-221930- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1330 PM EST MON FEB 22 1993 ..... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EST ..... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTH FLORIDA WHICH INCLUDES OKEECHOBEE COUNTY. AT 130 PM EST THUNDERSTORMS WERE SCATTERED NORTH OF GRAND BAHAMA ISLAND AND A FEW SHOWERS OFFSHORE MARTIN AND ST. LUCIE COUNTIES. OVERLAND...A FEW HEAVY THUNDERSTORMS PRODUCING HEAVY RAINFALL WERE ENTERING CENTRAL INDIAN RIVER COUNTY AND ONE OVER CHARLOTTE HARBOUR. ALSO A LARGE AREA OF RAIN WAS COVERING MOST OF CENTRAL FLORIDA BUT MUCH OF THIS PRECIPITATION WAS ALOFT AND NOT REACHING THE GROUND. MOVEMENT WAS NORTHEAST AT 20 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATC,H AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. NNNN
Special weather statement, Feb 22, 2:43 PM EST, 3 hours 31 minutes before
FLZ011-013}023-222030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 230 PM EST MON FEB 22 1993 ..... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EST ..... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTH FLORIDA WHICH INCLUDES OKEECHOBEE COUNTY. AT 230 PM EST STRONG THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...WERE OVER VERO BEACH AND JUST OFFSHORE THE MELBOURNE AND COCOA BEACH COAST THESE STORMS WERE PART OF A LARGE AREA OF RAIN AND SCATTERED SHOWERS COVERING MOST OF CENTRAL FLORIDA FROM OFFSHORE TAMPA IN THE GULF TO OFFSHORE DAYTONA BEACH TO VERO BEACH IN THE ATLANTIC. STORM MOVEMENT WAS NORTHEAST AT 30 MILES AN HOUR. THE AREA WAS MOVING SOUTHEAST AT 30 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. NNNN
Special weather statement, Feb 22, 3:39 PM EST, 2 hours 35 minutes before
FLZ011-013}023-222130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 330 PM EST MON FEB 22 1993 ..... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EST ..... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTH FLORIDA WHICH INCLUDES OKEECHOBEE COUNTY. AT 330 PM EST INTENSE THUNDERSTORMS...SOME WITH EXTREMELY HEAVY DOWN- POURS...WERE OVER TAMPA BAY TO SOUTH OF ORLANDO TO OFFSHORE COCOA BEACH. THESE STORMS WERE PART OF A LARGE AREA OF RAIN AND SCATTERED SHOWERS COVERING MOST OF CENTRAL FLORIDA FROM OFFSHORE TAMPA IN THE GULF TO WELL OFFSHORE DAYTONA BEACH TO NORTH OF THE BAHAMAS. STORM MOVEMENT WAS EAST AT 25 MILES AN HOUR WHILE THE AREA WAS MOVING SOUTHEAST AT 35 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. NNNN
Special weather statement, Feb 22, 4:49 PM EST, 1 hour 25 minutes before
FLZ011-013}023-222130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 430 PM EST MON FEB 22 1993 ..... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 700 PM EST ..... THE NATIONAL SEVERE STORMS FORECAST CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF CENTRAL AND SOUTH FLORIDA WHICH INCLUDES OKEECHOBEE COUNTY. AT 430 PM EST A LINE OF INTENSE THUNDERSTORMS CONTAINING VERY HEAVY RAIN EXTENDED FROM 65 MILES NORTHEAST OF MELBOURNE SOUTHWESTWARD TO JUST SOUTH OF SARASOTA. SHOWERS COVERING MOST OF CENTRAL FLORIDA FROM OFFSHORE TAMPA IN THE GULF THIS LINE WAS MOVING SOUTHEAST AT 20 TO 30 MILES AN HOUR. ELSEWHERE AN AREA OF INTENSE THUNDERSTORMS AND RAIN COVERED THE PENINSULA FROM DAYTONA BEACH AND ORLANDO SOUTHWARD TO OKEECHOBEE AND ST LUCIE COUNTIES AND FROM CHARLOTTE HARBOR TO 110 MILES OFFSHORE THE EAST COAST. THE HEAVIEST THUNDERSTORM WAS 55 MILES EAST OF VERO BEACH. MOVEMENT WAS EAST AT 30 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOU6T FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. NNNN
Special weather statement, Feb 22, 5:48 PM EST, 26 minutes before
FLZ011-013>023-222130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 530 PM EST MON FEB 22 1993 ..... SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 11PM EST FOR CENTRAL AND SOUTH FLORIDA INCLUDING GLADES... HENDRY... OKEECHOBEE.. MARTIN... ST. LUCIE... PALM BEACH COUNTIES... AT 530 PM EST A LINE OF INTENSE THUNDERSTORMS CONTAINING VERY HEAVY RAIN EXTENDED FROM DESOTA COUNTY NORTHEASTWARD TO 60 MILES OFFSHORE INDIAN RIVER COUNTY. THIS LINE WAS MOVING SOUTHEAST AT 30 MILES AN HOUR. ELSEWHERE AN AREA OF INTENSE THUNDERSTORMS AND RAIN COVERED THE PENINSULA FROM TITUSVILLE TO MARTIN COUNTY AND FROM FORT MYERS EASTWARD TO 140 MILES OFF THE EAST COAST. THE HEAVIST CELL WAS OVER MARTIN COUNTY 15 MILES NORTHWEST OF INDIAN TOWN. MOVEMENT WAS NORTHEAST AT 35 MILES AN HOUR. A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THE WATCH AREA SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. NNNN ]
Nearby
Severe Thunderstorm Warnings in Florida, 1993Every severe thunderstorm warning in 1993
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.