Alert archive / Florida / Tornado Warnings in 1993
Tornado Warning 1, NWS Melbourne, FL
NWS Melbourne, FL issued this tornado warning at Mar 13, 1993, 12:08 AM EST for Lake County, Florida. It was in force for 67 min.
The area
The counties it named.
The facts
- Issued
- Mar 13, 1993, 12:08 AM EST (05:08 UTC)
- Expired
- Mar 13, 1993, 1:15 AM EST
- In force
- 67 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Lake County, FL
The radar
The Melbourne radar (KMLB), 126 km from the middle of the area, began a volume at 05:10 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 00:00Z, 5.1 hours before the alert went out and 123 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
- 701 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 721 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 145 m²/s²
- 0-3 km storm-relative helicity
- 175 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMLB 130510 TORMLB FLC069-130615- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MELBOURNE FL 1208 AM EST SAT MAR 13 1993 THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 115 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION... IN CENTRAL FLORIDA ...LAKE COUNTY AT 1210 AM...A LINE OF SEVERE THUNDERSTORMS WITH A HISTORY OF PRODUCING TORNADOES EXTENDED FROM ABOUT 25 MILES NORTHWEST LEESBURG TO 35 SOUTHWEST OF LEESBURG. THE LINE OF STORMS WAS RACING EAST AT 50 MPH. THIS IS A DANGEROUS SITUATION. ACT QUICKLY. IF YOU ARE IN THE PATH OF THIS LINE OF STORMS MOVE TO A SHELTER IF AVAILABLE. OTHERWISE GO TO A SMALL INTERIOR ROOM O~N THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. ABANDON CARS AND MOBILE HOMES FOR A REINFORCED BUILDING OR GET INTO A DITCH OR CULVERT.
What forecasters said that day
The local office's own words before this tornado 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, 9:44 PM EST, 2 hours 24 minutes before
FLZ009-011>012-016>017-130340- SPECIAL EAST CENTRAL FLORIDA WEATHER UPDATE NATIONAL WEATHER SERVICE MELBOURNE FL 940 PM EST FRI MAR 12 1993 ...LINE OF SEVERE THUNDERSTORMS OVER GULF OF MEXICO... AT 940 PM...A LINE OF SEVERE THUNDERSTORMS WAS ABOUT 75 MILES OFFSHORE ST PETERSBURG. THIS LINE OF STORMS WAS MOVING EAST AT BETTER THAN 40 MPH AND SHOULD BE MOVING ONSHORE THE WEST COAST AROUND 11 PM. THIS HAS PROMPTED A TORNADO WATCH FOR ALL OF THE FLORIDA PENINSULA. THIS LINE IS EXPECTED TO BEGIN AFFECTING WESTERN COUNTIES OF EAST CENTRAL FLORIDA AROUND OR SHORTLY AFTER THE MIDNIGHT HOUR. THESE STORMS HAVE THE POTENTIAL TO PRODUCE A SIGNIFICANT SEVERE WEATHER OUTBREAK. PEOPLE ACROSS 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, 10:36 PM EST, 1 hour 32 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, 1 hour 16 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, 1 hour 12 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, 27 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, 17 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.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| 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 | Marion | 85 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
Tornado Warnings in Florida, 1993Every tornado warning in 1993Tornadoes 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.