Alert archive / Florida / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 19, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 13, 1993, 1:05 AM EST for Marion County, Florida. It was in force for 85 min.
The area
The counties it named.
The facts
- Issued
- Mar 13, 1993, 1:05 AM EST (06:05 UTC)
- Expired
- Mar 13, 1993, 2:30 AM EST
- In force
- 85 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Marion County, FL
The nearest sounding before it
Jacksonville, FL (KAYS), launched 00:00Z, 6.1 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
- 232 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 827 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 350 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 12, 10:36 PM EST, 2 hours 29 minutes before
FLZ006>017-020-130425- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 1030 PM EST FRI MAR 12 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE FLORIDA PENINSULA UNTIL 700 AM EST AND INCLUDES MARION COUNTY AS WELL AS FLAGLER AND VOLUSIA COUNTIES AND THE ADJACENT COASTAL WATERS... AT 1025 PM EST...DAYTONA BEACH RADAR SHOWED A LARGE AREA OF RAIN OVER THE WESTERN THIRD OF THE FLORIDA PENINSULA AND THE GULF OF MEXICO<. THE LEADING EDGE OF THIS RAIN EXTENDED FROM GAINESVILLE TO DUNNELLON TO ST PETERSBURG AND WAS MOVING RAPIDLY EAST AT 60 MPH.
Special weather statement, Mar 12, 10:52 PM EST, 2 hours 13 minutes before
FLZ009-011>012-016>017-130340- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 1050 PM EST FRI MAR 12 1993 ...LINE OF SEVERE THUNDERSTORMS ABOUT TO MOVE ONSHORE THE WEST COAST... AT 1050 PM...A LINE OF SEVERE THUNDERSTORMS WAS ABOUT 25 MILES OFFSHORE ST PETERSBURG. THE LINE OF STORMS WAS MOVING EAST AT BETTER THAN 50 MPH AND WILL BE MOVING ONSHORE THE WEST COAST SHORTLY. THIS LINE WAS ABOUT 110 MILES AWAY FROM THE ORLANDO AREA. THUNDERSTORMS SHOULD BEGIN TO AFFECT LAKE COUNTY AROUND MIDNIGHT AND ORLANDO BY ABOUT 1 AM. A TORNADO WATCH IS IN EFFECT FOR THE ENTIRE FLORIDA PENINSULA. THESE STORMS HAVE THE POTENTIAL TO PRODUCE A SIGNIFICANT SEVERE WEATHER OfUTBREAK. PEOPLE ACROSS ALL OF EAST CENTRAL FLORIDA SHOULD MONITOR THE LATEST WEATHER STATEMENTS AND BE PREPARED TO MOVE TO SHELTER AS WARNINGS ARE ISSUED. RL
Special weather statement, Mar 12, 10:56 PM EST, 2 hours 9 minutes before
FLZ009-011>012-016>017-130450- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 1050 PM EST FRI MAR 12 1993 ...LINE OF SEVERE THUNDERSTORMS ABOUT TO MOVE ONSHORE THE WEST COAST... AT 1050 PM...A LINE OF SEVERE THUNDERSTORMS WAS ABOUT 25 MILES OFFSHORE ST PETERSBURG. THE LINE OF STORMS WAS MOVING EAST AT BETTER THAN 50 MPH AND WILL BE MOVING ONSHORE THE WEST COAST SHORTLY. THIS LINE WAS ABOUT 110 MILES AWAY FROM THE ORLANDO AREA. THUNDERSTORMS SHOULD BEGIN TO AFFECT LAKE COUNTY AROUND MIDNIGHT AND ORLANDO BY ABOUT 1 AM. A TORNADO WATCH IS IN EFFECT FOR THE ENTIRE FLORIDA PENINSULA. THESE STORMS HAVE THE POTENTIAL TO PRODUCE A SIGNIFICANT SEVERE WEATHER OUrTBREAK. PEOPLE ACROSS ALL OF EAST CENTRAL FLORIDA SHOULD MONITOR THE LATEST WEATHER STATEMENTS AND BE PREPARED TO MOVE TO SHELTER AS WARNINGS ARE ISSUED. RL
Special weather statement, Mar 12, 11:41 PM EST, 1 hour 24 minutes before
FLZ006>017-020-130525- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 1130 PM EST FRI MAR 12 1993 ...A TORNADO WATCH IS IN EFFECT FOR THE FLORIDA PENINSULA UNTIL 700 AM EST SATURDAY AND INCLUDES MARION COUNTY AS WELL AS FLAGLER AND VOLUSIA COUNTIES AND THE ADJACENT COASTAL WATERS... AT 1125 PM EST...DAYTONA BEACH RADAR DETECTED A LINE OF VERY STRONG THUNDERSTORMS OVER THE GULF COASTAL WATERS FROM JUST OFFSHORE ST PETERSBURG TO CEDAR KEY. THIS LINE WAS MOVING EAST AT 50 MPH. MEANWHILE...RAIN BLANKETED MUCH OF NORTH AND WEST CENTRAL FLORIDA. THE LEADING EDGE OF THIS AREA OF RAIN EXTENDED FROM LAKELAND TO ASTOR PARK TO JACKSONVILLE AND WAS MOVING EAS*T AT 50 MPH. ISOLATED SHOWERS HAD RECENTLY DEVELOPED BETWEEN SANFORD AND MELBOURNE.
Special weather statement, Mar 12, 11:51 PM EST, 1 hour 14 minutes before
FLZ017-011-016-012-009-130545- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 1150 PM EST FRI MAR 12 1993 ...LINE OF SEVERE THUNDERSTORMS ONSHORE THE WEST COAST... AT 1150 PM...A LINE OF SEVERE THUNDERSTORMS WAS JUST MOVING ONSHORE THE WEST COAST. THERE ARE PRELIMINARY REPORTS OF DAMAGE IN LEVY COUNTY AROUND THE CHIEFLAND AREA. THE LINE OF STORMS WAS ABOUT 45 MILES WEST OF LEESBURG AND MOVING EAST AT BETTER THAN 50 MPH. STORMS ARE EXPECTED TO BEGIN AFFECTING LAKE COUNTY BETWEEN 1215 AND 1245 AM. A TORNADO WATCH IS IN EFFECT FOR ALL OF THE FLORIDA PENINSULA. PEOPLE ACROSS EAST CENTRAL FLORIDA SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITINONS AND BE PREPARED TO SEEK SHELTER AS THE STORMS APPROACH AND WARNINGS ARE ISSUED.
Local storm report, Mar 13, 1:00 AM EST, 5 minutes before
STORM REPORT...PRELIMINARY NATIONAL WEATHER SERVICE MELBOURNE FL 100 AM EST SAT MAR 13 1993 TIME LOCATION REPORT 1230 AM LAKE COUNTY TREES AND POWER LINES DOWN IN MT DORA
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 13, 12:08 AM EST | Tornado Warning | MLB | Lake | 67 min |
| Mar 13, 12:37 AM EST | Tornado Warning | MLB | Orange | 68 min |
| Mar 13, 12:48 AM EST | Tornado Warning | MLB | Seminole | 57 min |
| Mar 13, 1:05 AM EST | Severe Thunderstorm Warning | MLB | Flagler, Volusia | 10 min |
| Mar 13, 1:05 AM EST | Tornado Warning | MLB | Osceola | 55 min |
| Mar 13, 1:15 AM EST | Tornado Warning | MLB | Flagler, Volusia | 75 min |
| Mar 13, 1:42 AM EST | Severe Thunderstorm Warning | MLB | Orange | 63 min |
| Mar 13, 1:58 AM EST | Severe Thunderstorm Warning | MLB | Brevard | 62 min |
| Mar 13, 2:00 AM EST | Severe Thunderstorm Warning | MLB | Osceola | 60 min |
| Mar 13, 4:05 AM EST | Severe Thunderstorm Warning | MLB | Indian River | 55 min |
| Mar 13, 4:31 AM EST | Severe Thunderstorm Warning | MLB | Palm Beach | 59 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.