Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 72, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Jul 6, 1993, 3:57 PM EDT for Martin County, Florida. It was in force for 48 min.
The area
The counties it named.
The facts
- Issued
- Jul 6, 1993, 3:57 PM EDT (19:57 UTC)
- Expired
- Jul 6, 1993, 4:45 PM EDT
- In force
- 48 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Martin County, FL
The radar
The Melbourne radar (KMLB), 117 km from the middle of the area, began a volume at 19:59 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 8.0 hours before the alert went out and 155 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
- 1355 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 988 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS1 KPBI 061957 SVRMFL FLC085-062045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WEST PALM BEACH FL 357 PM EDT TUE JUL 6 1993 THE NATIONAL WEATHER SERVICE IN WEST PALM BEACH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM EDT FOR THE FOLLOWING LOCATIONS...... IN SOUTHEAST FLORIDA ...WESTERN MARTIN COUNTY AND THE ADJACANT WATERS OF THE SOUTHEAST FLORIDA COAST A SEVERE THUNDERSTORM WAS DETECTED NEAR BETWEEN PORT MYACA AND INDIAN TOWN AND WAS DRIFTING SOUTH TO SOUTHWEST NEAR 5 MILES AN HOUR. THIS STORM IS ACCOMPANIED BY HEAVY DOWNPOURS... CLOUD TO GROUND LIGHTNING STRIKES... GUSTY WINDS... AND POSSIBLY HAIL. BOATERS ON THE WESTERN SHORES OF LAKE OKEECHOBEE SHOULD ALSO BE ALERT FOR THIS STORM AND BE PREPARED TO SEEK SAFE HARBOR IF THREATENING WEATHER APPROACHES. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. 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 COVERS THE ROAD. NNNN
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, Jul 6, 2:17 PM EDT, 1 hour 40 minutes before
FLZ009-011-012-016-017-501-061920- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 217 PM EDT TUE JUL 6 1993 ...STRONG THUNDERSTORMS DEVELOPING ACROSS BREVARD AND INDIAN RIVER COUNTIES... AT 215 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING STRONG THUNDERSTORMS FROM JUST WEST OF VIERA SOUTH TO FORT PIERCE. THE STRONGEST THUNDERSTORMS WERE LOCATED OVER FELSMERE AND 8 MILES WEST OF FORT PIERCE. THE THUNDERSTORMS WERE DRIFTING TO THE SOUTHWEST AT 5 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND HEAVY RAIN. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULD REMAIN ALERT FOR REDUCED VISIBILITIES DURING HEAVY RAIN. SOME STREETS MAY FLOOD QUICKLY. STAY TUNED TO NOAA WEATHER RADIO...OR YOUR LOCAL RADIO OR TELEVISION STATIONS FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Jul 6, 2:19 PM EDT, 1 hour 38 minutes before
FLZ009-011-012-016-017-501-061920- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 217 PM EDT TUE JUL 6 1993 ...STRONG THUNDERSTORMS DEVELOPING ACROSS BREVARD AND INDIAN RIVER COUNTIES... AT 215 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING STRONG THUNDERSTORMS FROM JUST WEST OF VIERA SOUTH TO FORT PIERCE. THE STRONGEST THUNDERSTORMS WERE LOCATED OVER FELSMERE AND 8 MILES WEST OF FORT PIERCE. THE THUNDERSTORMS WERE DRIFTING TO THE SOUTHWEST AT 5 MPH. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND HEAVY RAIN. IF YOU ARE OUTDOORS...MOVE TO A PLACE OF SHELTER IMMEDIATELY IF A STORM APPROACHES. MOTORISTS SHOULND REMAIN ALERT FOR REDUCED VISIBILITIES DURING HEAVY RAIN. SOME STREETS MAY FLOOD QUICKLY. STAY TUNED TO NOAA WEATHER RADIO...OR YOUR LOCAL RADIO OR TELEVISION STATIONS FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION.
Special weather statement, Jul 6, 3:15 PM EDT, 42 minutes before
FLZ009-011-012-016-017-501-062020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 315 PM EDT TUE JUL 6 1993 ...STRONG THUNDERSTORMS CONTINUING ALONG THE SEA BREEZE FRONT... AT 310 PM NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS EXTENDING ALONG THE SEA BREEZE FRONT WHICH EXTENDED FROM SAINT AUGUSTINE SOUTHWARD TO FORT PIERCE. THE STRONGEST THUNDERSTORMS IN EAST CENTRAL FLORIDA 5 MILES EAST OF CHRISTMAS. OVER HIGHWAY 50. THE THUNDERSTORMS WERE DRIFTING TO THE SOUTHWEST AT 5 MPH. *UHGSE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN AND POSSIBLY SMALL HAIL. RESIDENTS ACROSS EAST CENTRAL FLORIDA SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND MONITOR NOAA WEATHER RADIO AND LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ELSEWHERE ISOLATED THUNDERSTORMS WERE LOCATED FROM DOWNTOWN ORLANDO TO LAKELAND. THESE STORMS WERE DRIFTING SLOWLY SOUTH AT 5 MPH.
Special weather statement, Jul 6, 3:16 PM EDT, 41 minutes before
FLZ009-011-012-016-017-501-062020- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 315 PM EDT TUE JUL 6 1993 ...STRONG THUNDERSTORMS CONTINUING ALONG THE SEA BREEZE FRONT... AT 310 PM NATIONAL WEATHER SERVICE RADAR INDICATED STRONG THUNDERSTORMS EXTENDING ALONG THE SEA BREEZE FRONT WHICH EXTENDED FROM SAINT AUGUSTINE SOUTHWARD TO FORT PIERCE. THE STRONGEST THUNDERSTORMS IN EAST CENTRAL FLORIDA 5 MILES EAST OF CHRISTMAS. OVER HIGHWAY 50. THE THUNDERSTORMS WERE DRIFTING TO THE SOUTHWEST AT 5 MPH. THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING STRONG GUSTY WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN AND POSSIBLY SMALL HAIL. RESIDENTS ACROSS EAST CENTRAL FLORIDA SHOULD REMAIN ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND MONITOR NOAA WEATHER RADIO AND LOCAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS. ELSEWHERE ISOLATED THUNDERSTORMS WERE LOCATED FROM DOWNTOWN ORLANDO TO LAKELAND. THESE STORMS WERE DRIFTING SLOWLY SOUTH AT 5 MPH.
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.