Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 97, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Aug 13, 1993, 7:29 PM EDT for Brevard County, Florida. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Aug 13, 1993, 7:29 PM EDT (23:29 UTC)
- Expired
- Aug 13, 1993, 8:15 PM EDT
- In force
- 46 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Brevard County, FL
The radar
The Melbourne radar (KMLB), 21 km from the middle of the area, began a volume at 23:30 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, 11.5 hours before the alert went out and 180 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
- 981 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1013 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- -45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMLB 132329 RRA SVRMLB FLC009-140015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 729 PM EDT FRI AUG 13 1993 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 815 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST CENTRAL FLORIDA ...CENTRAL BREVARD COUNTY AT 725 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A SEVERE THUNDERSTORM 8 MILES WEST OF THE TOWN OF SHARPES OR 12 MILES NORTHWEST OF COCOA. THIS SEVERE THUNDERSTORTM WAS MOVING TO THE EAST AT 10 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.
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 13, 6:02 PM EDT, 1 hour 27 minutes before
FLZ009-011-012-016-017-501-132300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 557 PM EDT FRI AUG 13 1993 ...A LINE OF STRONG THUNDERSTORMS DEVELOPING ACROSS EAST CENTRAL FLORIDA... AT 555 PM THIS EVENING NATIONAL WEATHER SERVICE RADAR IS INDICATING A LINE OF INTENSIFYING THUNDERSTORMS WHICH EXTEND FROM GENEVA... TO THE ORLANDO INTERNATIONAL AIRPORT AND THEN SOUTHWARD TO KISSIMMEE. PRESENT INDICATIONS ARE THAT THESE THUNDERSTORMS WILL CONTINUE TO INTENSIFY AS THEY MOVE SLOWLY TO THE EAST AT 10 MPH. RESIDENTS SHOULD BE ALERT FOR THESE THUNDERSTORMS MOVE ACROSS EASTERN ORANGE...EASTERN SEMINOLE AND OSCEOLA COUNTIES. THEY CAN PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLY SMALL HAIL. RESIDENTS SHOULD MONITOR NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Aug 13, 6:41 PM EDT, 48 minutes before
FLZ011-012-017-501-132340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 642 PM EDT FRI AUG 13 1993 ...STRONG THUNDERSTORMS MOVING ACROSS NORTHERN BREVARD AND EASTERN ORANGE COUNTIES... AT 638 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A LINE OF STRONG THUNDERSTORMS EXTENDING FROM DAYTONA BEACH SOUTHWARD BITHLO. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 10 MPH. THESE THUNDERSTORMS ARE PRODUCING ALMOST CONTINUOUS LIGHTNING. REMEMBER...LIGHTNING MAY STRIKE SOME MILES AWAY FROM THE PARENT THUNDERSTORM. TAKE PRECAUTIONS TO PROTECT YOURSELF EVEN THOUGH THE THUNDERSTORM IS NOT DIRECTLY OVERHEAD. RESIDENTS IN NORTHERN BREVARD AND EASTERN OSCEOLA COUNTIES SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY CROSS THE AREA. THEY CAN PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLY SMALL HAIL. MARINE INTERESTS IN THIS AREA SHOULD PREPARE FOR WINDS UP TO 35 MPH...FREQUENT LIGHTNING AND LOCALLY HEAVY SEAS. INSURE THAT ALL PERSONS ON BOARD ARE WEARING PERSONAL FLOTATION DEVICES. DISCONTINUE IN-WATER ACTIVITIES IMMEDIATELY. RESIDENTS AND BOATERS SHOULD MONITOR NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIOVNS FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Aug 13, 7:05 PM EDT, 24 minutes before
FLZ009-011-012-501-140010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 705 PM EDT FRI AUG 13 1993 ...STRONG THUNDERSTORMS MOVING ACROSS BREVARD...EASTERN ORANGE AND NORTHERN OSCEOLA COUNTIES... AT 705 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A LINE OF STRONG FROM 5 MILES EAST OF OAK HILL...TO PLAYALINDA BEACH...TO TITUSVILLE AND THEN EXTENDING INTO NORTHERN OSCEOLA COUNTY. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 10 MPH. RESIDENTS IN BREVARD...EASTERN ORANGE AND NORTHERN OSCEOLA COUNTIES SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY CROSS THE AREA. THEY CAN PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLY SMALL HAIL. MARINE INTERESTS IN THIS AREA SHOULD PREPARE FOR WINDS UP TO 35 KNOTS...FREQUENT LIGHTNING AND LOCALLY HEAVY SEAS. INSURE THAT ALL PERSONS ON BOARD ARE WEARING PERSONAL FLOTATION DEVICES. DISCONTINUE IN-WATER ACTIVITIES IMMEDIATELY. RESIDENTS AND MARINE INTEREST SHOULD MONITOR NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
Special weather statement, Aug 13, 7:08 PM EDT, 21 minutes before
FLZ009-011-012-501-140010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 705 PM EDT FRI AUG 13 1993 ...STRONG THUNDERSTORMS MOVING ACROSS BREVARD...EASTERN ORANGE AND NORTHERN OSCEOLA COUNTIES... AT 705 PM NATIONAL WEATHER SERVICE RADAR WAS INDICATING A LINE OF STRONG FROM 5 MILES EAST OF OAK HILL...TO PLAYALINDA BEACH...TO TITUSVILLE AND THEN EXTENDING INTO NORTHERN OSCEOLA COUNTY. THE THUNDERSTORMS WERE MOVING TO THE EAST AT 10 MPH. RESIDENTS IN BREVARD...EASTERN ORANGE AND NORTHERN OSCEOLA COUNTIES SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY CROSS THE AREA. THEY CAN PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING...HEAVY RAIN...STRONG GUSTY WINDS AND POSSIBLY SMALL HAIL. MARINE INTERESTS IN THIS AREA SHOULD PREPARE FOR WINDS UP TO 35 KNOTS...FREQUENT LIGHTNING AND LOCALLY HEAVY SEAS. INSURE THAT ALL PERSONS ON BOARD ARE WEARING PERSONAL FLOTATION DEVICES. DISCONTINUE IN-WATER ACTIVITIES IMMEDIATELY. RESIDENTS AND MARINE INTEREST SHOULD MONITOR NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 13, 6:22 PM EDT | Severe Thunderstorm Warning | MLB | Volusia | 68 min |
| Aug 13, 7:59 PM EDT | Severe Thunderstorm Warning | MLB | Brevard | 61 min |
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.