Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 113, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Aug 23, 1993, 4:12 PM EDT for Marion County, Florida. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- Aug 23, 1993, 4:12 PM EDT (20:12 UTC)
- Expired
- Aug 23, 1993, 4:45 PM EDT
- In force
- 33 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Marion County, FL
The nearest sounding before it
Jacksonville, FL (KAYS), launched 12:00Z, 8.2 hours before the alert went out and 148 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
- 1278 J/kg
- Mixed-layer CIN
- -85 J/kg
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -30 m²/s²
- 0-3 km storm-relative helicity
- 14 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 KDAB 232013 RRA SVRDAB FLC083-232045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE DAYTONA BEACH FL 412 PM EDT MON AUG 23 1993 THE NATIONAL WEATHER SERVICE IN DAYTONA BEACH HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTH CENTRAL FLORIDA ...WESTERN MARION COUNTY AT 410 PM EDT...NATIONAL WEATHER SERVICE RADAR DETECTED A SMALL CLUSTER OF SEVERE THUNDERSTORMS ABOUT 10 MILES WEST OF OCALA. THESE STORMS WERE MOVING SOUTHWEST AT 10 MPH AND WILL PASS CLOSE TO DUNNELLON DURING THE NEXT HALF HOUR. 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.
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 23, 2:01 PM EDT, 2 hours 11 minutes before
FLZ011-231900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 201 PM EDT MON AUG 23 1993 ...STRONG THUNDERSTORMS DEVELOPING OVER EAST CENTRAL FLORIDA... AT 200 PM...NAITONAL WEATHER SERVICE RADAR SHOWED A BAND OF STRONG THUNDERSTORMS EXTENDING FROM SANFORD NORTH TO PALATKA. OTHER THUNDERSTORMS WERE DEVELOPING BETWEEN SANFORD AND OCALA. THE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 10 MPH AND WILL MOVE INTO LAKE..SEMINOLE..AND ORANGE COUNTIES DURING THE NEXT HOUR AND EXTEND FROM BETWEEN LADY LAKE AND LEESBURG TO BETWEEN SANFORD AND ORLANDO. RESIDENTS 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. STAY TUNED TO NOAA WEATHER RADIO...OR YOUR LOCAL RADIO OR TELEVISION STATIONS FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION. ELSEWHERE...SCATTERED THUNDERSTORMS WERE OVER THE ATLANTIC MORE THAN 30 MILES OFFSHORE FROM CAPE CANAVERAL TO MELBOURNE. MOVEMENT WAS TO THE SOUTHWEST AT 10 MPH. PAF
Special weather statement, Aug 23, 2:01 PM EDT, 2 hours 11 minutes before
FLZ011-231900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 201 PM EDT MON AUG 23 1993 ...STRONG THUNDERSTORMS DEVELOPING OVER EAST CENTRAL FLORIDA... AT 200 PM...NAITONAL WEATHER SERVICE RADAR SHOWED A BAND OF STRONG THUNDERSTORMS EXTENDING FROM SANFORD NORTH TO PALATKA. OTHER THUNDERSTORMS WERE DEVELOPING BETWEEN SANFORD AND OCALA. THE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 10 MPH AND WILL MOVE INTO LAKE..SEMINOLE..AND ORANGE COUNTIES DURING THE NEXT HOUR AND EXTEND FROM BETWEEN LADY LAKE AND LEESBURG TO BETWEEN SANFORD AND ORLANDO. RESIDENTS 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. STAY TUNED TO NOAA WEATHER RADIO...OR YOUR LOCAL RADIO OR TELEVISION STATIONS FOR THE LATEST UPDATES CONCERNING THIS DEVELOPING WEATHER SITUATION. ELSEWHERE...SCATTERED THUNDERSTORMS WERE OVER THE ATLANTIC MORE THAN 30 MILES OFFSHORE FROM CAPE CANAVERAL TO MELBOURNE. MOVEMENT WAS TO THE SOUTHWEST AT 10 MPH. PAF
Special weather statement, Aug 23, 3:14 PM EDT, 58 minutes before
FLZ011-017-232010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 314 PM EDT MON AUG 23 1993 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS EAST CENTRAL FLORIDA... AT 310 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A CLUSTER OF THUNDERSTORMS DEVELOPING FROM LADY LAKE TO TAVARES AND LAKE MARY. OTHER STRONG THUNDERSTORMS FROM OVER THE OCALA NATIONAL FOREST NORTH TO BETWEEN PALATKA AND GAINESVILLE. THE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 10 MPH. THROUGH THE LATE AFTERNOON HOURS...STRONG THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER PARTS OF LAKE..SEMINOLE..AND ORANGE COUNTIES..WITH SCATTERED STRONG THUNDERSTORMS EXTENDING FROM BETWEEN LADY LAKE AND LEESBURG TO BETWEEN LONGWOOD AND ORLANDO. SOME OF THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL...WINDS GUSTING TO 40 MPH...DEADLY LIGHTNING AND VERY HEAVY RAIN. MONITOR NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS. ELSEWHERE...A FEW THUNDERSTORMS HAD DEVELOPED FROM NEW SMYRNA BEACH TO BITHLO AND JUST WEST OF COCOA. SCATTERED THUNDERSTORMS WERE OVER THE COASTAL WATERS MORE THAN 20 MILES OFFSHORE FROM CAPE CANAVERAL TO VERO BEACH. PAF
Special weather statement, Aug 23, 3:16 PM EDT, 56 minutes before
FLZ011-017-232010- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MELBOURNE FL 314 PM EDT MON AUG 23 1993 ...STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS EAST CENTRAL FLORIDA... AT 310 PM...NATIONAL WEATHER SERVICE RADAR SHOWED A CLUSTER OF THUNDERSTORMS DEVELOPING FROM LADY LAKE TO TAVARES AND LAKE MARY. OTHER STRONG THUNDERSTORMS FROM OVER THE OCALA NATIONAL FOREST NORTH TO BETWEEN PALATKA AND GAINESVILLE. THE THUNDERSTORMS WERE MOVING TO THE SOUTHWEST AT 10 MPH. THROUGH THE LATE AFTERNOON HOURS...STRONG THUNDERSTORMS ARE EXPECTED TO DEVELOP OVER PARTS OF LAKE..SEMINOLE..AND ORANGE COUNTIES..WITH SCATTERED STRONG THUNDERSTORMS EXTENDING FROM BETWEEN LADY LAKE AND LEESBURG TO BETWEEN LONGWOOD AND ORLANDO. SOME OF THESE THUNDERSTORMS MAY CONTAIN SMALL HAIL...WINDS GUSTING TO 40 MPH...DEADLY LIGHTNING AND VERY HEAVY RAIN. MONITOR NOAA WEATHER RADIO OR LOCAL RADIO OR TELEVISION STATIONS FOR LATER STATEMENTS OR POSSIBLE WARNINGS. ELSEWHERE...A FEW THUNDERSTORMS HAD DEVELOPED FROM NEW SMYRNA BEACH TO BITHLO AND JUST WEST OF COCOA. SCATTERED THUNDERSTORMS WERE OVER THE COASTAL WATERS MORE THAN 20 MILES OFFSHORE FROM CAPE CANAVERAL TO VERO BEACH. PAF
Special weather statement, Aug 23, 3:50 PM EDT, 22 minutes before
FLZ009-232050-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
350 PM EDT MON AUG 23 1993
...STRONG THUNDERSTORMS IN MARION COUNTY...
AT 345 PM EDT...NATIONAL WEATHER SERVICE RADAR AT DAYTONA BEACH
DETECTED A LARGE CLUSTER OF STRONG THUNDERSTORMS BETWEEN CITRA
AND SILVER SPRINGS. ANOTHER SMALLER CLUSTER OF THUNDERSTORMS
WAS OCCURRING BETWEEN OCALA AND SUMMERFIELD. MOVEMENT WAS MAINLY
WEST AT 10 MPH.
DURING THE NEXT HOUR...THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT
DANGEROUS LIGHTNING...AND BRIEFLY STRONG AND GUSTY WINDS...WILL
AFFECT CENTRAL AND WESTERN MARION COUNTY.
RESIDENTS SHOULD BE KEEP A WATCHFUL EYE ON THE SKY AND QUICKLY MOVE
INDOORS WHEN THE WEATHER BECOMES THREATENING.Special weather statement, Aug 23, 3:55 PM EDT, 17 minutes before
FLZ009-232050-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
350 PM EDT MON AUG 23 1993
...STRONG THUNDERSTORMS IN MARION COUNTY...
AT 345 PM EDT...NATIONAL WEATHER SERVICE RADAR AT DAYTONA BEACH
DETECTED A LARGE CLUSTER OF STRONG THUNDERSTORMS BETWEEN CITRA
AND SILVER SPRINGS. ANOTHER SMALLER CLUSTER OF THUNDERSTORMS
WAS OCCURRING BETWEEN OCALA AND SUMMERFIELD. MOVEMENT WAS MAINLY
WEST AT 10 MPH.
DURING THE NEXT HOUR...THUNDERSTORMS WITH VERY HEAVY RAIN...FREQUENT
DANGEROUS LIGHTNING...AND BRIEFLY STRONG AND GUSTY WINDS...WILL
AFFECT CENTRAL AND WESTERN MARION COUNTY.
RESIDENTS SHOULD BE KEEP A WATCHFUL EYE ON THE SKY AND QUICKLY MOVE
INDOORS WHEN THE WEATHER BECOMES THREATENING.The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 2:06 PM EDT | Severe Thunderstorm Warning | MLB | Flagler | 69 min |
| Aug 23, 3:14 PM EDT | Severe Thunderstorm Warning | MLB | Palm Beach | 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.