Alert archive / Florida / Tornado Warnings in 1993
Tornado Warning 1, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Mar 13, 1993, 3:25 AM EST for Collier County, Florida. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Mar 13, 1993, 3:25 AM EST (08:25 UTC)
- Expired
- Mar 13, 1993, 4:30 AM EST
- In force
- 65 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Collier County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 00:00Z, 8.4 hours before the alert went out and 174 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 277 m²/s²
- 0-3 km storm-relative helicity
- 368 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 13.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 130836 TORMIA FLC021-130930- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MIAMI FL 325 AM EST SAT MAR 13 1993 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 430 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHWEST FLORIDA ...COLLIER COUNTY AND THE ADJACENT COASTAL WATERS AT 322 AM A WATERSPOUT WAS SIGHTED ABOUT ONE HALF MILES OFFSHORE NAPLES. RADAR INDICATES STRONG THUNDERSTORMS MOVING ACROSS COLLIER COUNTY. THUNDERSTORMS ARE MOVING EAST AT 40 MPH. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IS UNDER STURDY FURNITURE IN AN INTERIOR ROOM ON THE LOWEST FLOOR. USE PILLOWS TO COVER YOUR BODY. AVOID WINDOWS. A MOBILE HOME IS NOT A SAFE REFUGE FROM A TORNADO. MOVE TO A MORE SUBSTANTIAL BUILDING. BOATERS SHOULD SEEK SAFE HARBOR IMMEDIATELY AND REMAIN IN PORT UNTIL THESE THUNDERSTORMS PASS BEYOND THE COASTAL WATERS. IF THREATENING WEATHER IS SIGHTED...TAKE SHELTER...THEN ASK A LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORT TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
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, 10:26 PM EST, 4 hours 59 minutes before
FLZ0018>019-021>022-130530- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 1030 PM EST FRI MAR 12 1993 ...A TORNADO WATCH IS IN EFFECT FOR GLADES...HENDRY...COLLIER...BROWARD AND DADE COUNTIES UNTIL 7 AM SATURDAY... AT 1030 PM...NATIONAL WEATHER SERVICE RADAR IS NOT INDICATING ANY SHOWER OR THUNDERSTORM ACTIVITY OVER SOUTH FLORIDA OR THE ADJACENT COASTAL WATERS. HOWEVER...A MAJOR GALE CENTER OVER THE GULF OF MEXICO PRECEDED BY A STRONG SQUALL LINE OF THUNDERSTORMS IS RAPIDLY APPROACHING THE AREA AND IS EXPECTED TO BE ENTERING THE WESTERN COASTAL WATERS OF SOUTH FLORIDA BY MIDNIGHT. THE WEATHER ASSOCIATED WITH THE SQUALL LINE WILL MOVE RAPIDLY ACROSS SOUTH FLORIDA DURING THE LATE NIGHT AND EARLY MORNING HOURS. THERE IS A GOOD POTENTIAL FOR SEVERE WEATHER LATER TONIGHT IN THE COUNTIES AFFECTED BY THE WATCH. THE PUBLIC IS ADVISED TO STAY TUNED TO NOAA WEATHER RADIO AS WELL AS OTHER SOURCES OF WEATHER INFORMATION FOR POSSIBLE WARNINGS THAT MAY BE REQUIRED.
Special weather statement, Mar 12, 10:42 PM EST, 4 hours 43 minutes before
FLZ005>023-131100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
1030 PM EST FRI MAR 12 1993
...TORNADO WATCH NORTHERN FLORIDA UNTIL 400 AM EST SATURDAY...
...TORNADO WATCH THE REMAINDER OF FLORIDA UNTIL 700 AM EST SATURDAY...
WEATHER AFFECTS FROM THE STRONG STORM SYSTEM OVER THE CENTRAL GULF OF
MEXICO ARE BEGINNING TO BE FELT IN THE FORM OF THUNDERSTORMS OVER THE
FLORIDA PANHANDLE. STRONG SOUTHERLY WINDS AHEAD OF THIS SYSTEM ARE ALSO
BEGINNING TO BE REPORTED STATEWIDE AS THIS SYSTEM CONTINUES TO
STRENGTHEN.
THIS STORM IS FORECAST TO BECOME A MAJOR WINTER STORM OVER THE WEEKEND.
THIS SYSTEM WILL HAVE A SIGNIFICANT EFFECT ON FLORIDA WEATHER THROUGH
THE WEEKEND WITH VERY STRONG WINDS...STRONG THUNDERSTORMS WITH
POSSIBLE TORNADOES...LOCALLY HEAVY RAINS...AND THEN VERY COLD
TEMPERATURES.
<
GALE WARNINGS ARE IN EFFECT FOR TONIGHT AND SATURDAY. BOATERS ARE
DISCOURAGED FROM VENTURING INTO GULF OR ATLANTIC WATERS THROUGH
SATURDAY AS WEATHER CONDITIONS WILL BE HAZARDOUS IN OPEN WATERS.
WITH PASSAGE OF THE COLD FRONT...WINDS WILL SWITCH TO THE WEST. THIS
STRONG ONSHORE FLOW OVER THE WEST COAST OF FLORIDA HAS THE POTENTIAL FOR
PRODUCING COASTAL FLOODING OF LOW LYING AREAS AT TIMES OF HIGH
TIME EARLY SATURDAY MORNING AND SATURDAY AFTERNOON. HIGH SURF MAY
PRODUCE SIGNIFICANT BEACH EROSION AT THESE TIMES ALSO. A COASTAL
FLOOD WATCH IS CURRENTLY IN EFFECT FOR THE PANHANDLE WILL REMAIN IN EFFECT
THROUGH SATURDAY FOR THE GULF COAST FROM CAPE SABLE TO APALACHICOLA.
A HIGH WIND ADVISORY FOR WINDS IN EXCESS OF 25 MPH IS IN EFFECT TONIGHT
FOR THE STATE OF FLORIDA. ON SATURDAY...HIGH WIND WARNINGS MAY
BE ISSUED FOR WINDS IN EXCESS OF 40 MPH FOR PORTIONS OF THE STATE.
VERY COLD AIR WILL BE SPREADING OVER THE STATE ON SATURDAY WITH
RECORD SETTING LOW TEMPERATURES FOR THIS TIME OF YEAR POSSIBLE IN
MANY AREAS. LOW TEMPERATURES SUNDAY MORNING WILL RANGE FROM THE MID
TO UPPER 20S IN NORTH FLORIDA TO THE 30S OVER CENTRAL FLORIDA AND TO
THE 40S OVER SOUTH FLORIDA. THE KEYS ARE EXPECTED TO BE IN THE LOWER
50S. HOWEVER WITH WINDS OF 10 TO 20 MPH DURING THIS TIME...THE WIND
CHILL FACTOR WILL RANGE FROM AROUND 10 DEGREES IN NORTH FLORIDA TO
15 TO 20 DEGREES IN CENTRAL FLORIDA AND AROUND 30 DEGREES IN SOUTH
FLORIDA. THESE TEMPERATURES COULD POSSIBLY BE LOWER SUNDAY NIGHT/MONDAY
MORNING IF THE WINDS EASE. SUCH TEMPERATURES ARE LIFE THREATENING FOR
THE HOMELESS AND FOR PETS LEFT OUTDOORS. THE WINDS AND COLD TEMPERATURES
WILL PRESENT SERIOUS PROBLEMS FOR THE TENT CITIES IN SOUTH DADE COUNTY.
AGRICULTURAL INTERESTS FROM THE NORTHERN EVERGLADES NORTHWARD SHOULD
TAKE NECESSARY MEASURES TO PREPARE FOR FROST AND FREEZING TEMPERATURES
ESPECIALLY SUNDAY NIGHT/MONDAY MORNING.
RESIDENTS THROUGHOUT THE STATE SHOULD PLAN TO PROTECT COLD SENSITIVE
PLANTS AND PROVIDE SHELTER FOR PETS AND ANIMALS. BE ON THE ALERT FOR
SEVERE WEATHER OR COASTAL FLOOD WARNINGS FROM LOCAL WEATHER SE"RVICE
OFFICES SHOULD THEY BECOME NECESSARY.Special weather statement, Mar 13, 12:38 AM EST, 2 hours 47 minutes before
FLZ011-013>023-130640- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1240 PM EST FRI MAR 14 1993 ...TORNDADO WATCH IN EFFECT FOR ALL OF SOUTH FLORIDA UNTIL 7AM EST... SHOWERS WERE SCATTERED FROM NEAR AND JUST OFFSHORE OF CAPE CANAVERAL TO CENTRAL INDIAN RIVER COUNTY AND JUST OFFSHORE BETWEEN STUART AND FT PIERCE. LITTLE MOVEMENT WAS DETECTED. OTHER SHOWERS AND THUNDERSTORMS DIRECTLY ASSOCIATED WITH THE APPROACHING SQUALL LINE WERE LOCATED WEST OF A TITUSVILL FORT MYERS LINE AND EXTENDED WEST OUT OVER THE GULF TO ABOUT 100 MILES. MOVEMENT WAS EAST TO SOUTHEAST AT 40 MILES AN HOUR. THIS AREA OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO ARRIVE IN SOUTHEASTERN FLORIDA AFTER 1AM. HOWEVER OTHER SHOWERS AND THUNDERSTORMS MAY DEVELOP OUT IN FRONT OF THIS MAIN AREA AT ANY TIME. RESIDENTS AND MARINERS ALONG THE EAST COAST OF FLORIDA SHOULD BE ALERT FOR STRONG THUNDERSTORMS AND BE PREPARED TO SEEK SHELTER OR SAFE HARBOR WHEN THUNDERSTORMS APPROACH.
Special weather statement, Mar 13, 1:40 AM EST, 1 hour 45 minutes before
FLZ011-013>023-130640- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 0140 AM EST FRI MAR 14 1993 ...TORNDADO WATCH IN EFFECT FOR ALL OF SOUTH FLORIDA UNTIL 7AM EST... AN AREA OF RAIN WITH AN EMBEDDED BROKEN LINE OF SHOWERS AND THUNDERSTORM WAS LOCATED NORTHWEST OF A MELBOURNE MARCO ISLAND LINE AND EXTENDED WEST TO A ST. AUGUSTINE TAMPA LINE. MOVEMENT WAS EAST TO SOUTHEAST AT 40 MILES AN HOUR. THIS AREA OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO ARRIVE IN SOUTHEASTERN FLORIDA AFTER 3AM. HOWEVER SHOWERS AND THUNDERSTORMS MAY DEVELOP OUT IN FRONT OF THIS AREA AT ANY TIME. RESIDENTS AND MARINERS ALONG THE EAST COAST OF FLORIDA SHOULD BE ALERT FOR STRONG THUNDERSTORMS AND BE PREPARED TO SEEK SHELTER OR SAFE HARBOR WHEN THUNDERSTORMS APPROACH.
Special weather statement, Mar 13, 2:48 AM EST, 37 minutes before
FLZ011-013>023-130840- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 0240 AM EST FRI MAR 14 1993 ...TORNDADO WATCH IN EFFECT FOR ALL OF SOUTH FLORIDA UNTIL 7AM EST... AN AREA OF VERY HEAVY SHOWERS AND THUNDERSTORMS WAS LOCATED ON A LINE FROM TITUSVILLE TO FT MYERS. THIS WAS PART OF A 80 MILE WIDE AREA OF RAIN THAT EXTENDED OVER MOST OF CENTRAL AND SOUTH FLORIDA. MOVEMENT WAS EAST AT 40 MILES AN HOUR. THIS AREA OF SHOWERS AND THUNDERSTORMS IS EXPECTED TO ARRIVE IN SOUTHEASTERN FLORIDA AROUND 4 AM. HOWEVER SHOWERS AND THUNDERSTORMS MAY DEVELOP OUT IN FRONT OF THIS AREA AT ANY TIME. RESIDENTS AND MARINERS ALONG THE EAST COAST OF FLORIDA SHOULD BE ALERT FOR STRONG THUNDERSTORMS AND BE PREPARED TO SEEK SHELTER OR SAFE HARBOR WHEN THUNDERSTORMS APPROACH. THESE THUNDERSTORMS COULD PRODUCE TORNADOES...IF THREATENING WEATHER APROACHES YOUR LOCATION ESPECIALLY IF YOU ARE IN A MOBILE HOMEf SEEK SHELTER IMMEDIATELY.
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.