Alert archive / Florida / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 5, NWS Miami, FL

March 2, 1994Broward County, Miami-Dade County, Florida

NWS Miami, FL issued this severe thunderstorm warning at Mar 2, 1994, 2:23 PM EST for Broward County, Miami-Dade County, Florida. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Mar 2, 1994, 2:23 PM EST (19:23 UTC)
Expired
Mar 2, 1994, 3:30 PM EST
In force
67 min
Issued by
NWS Miami, FL
Area
Whole counties

Counties Broward County, FL, Miami-Dade County, FL

The nearest sounding before it

Key West, FL (KEYW), launched 12:00Z, 7.4 hours before the alert went out and 193 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.

Skew-T log-pSkew-T log-p diagram, Key West, FL at 12:00Z on 1994-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1045 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Key West, FL at 12:00Z on 1994-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 180 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1045 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
180 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
1.0
Supercell composite
6.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMIA 021924
SVRMIA
FLC011-025-022030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
223 PM EST WED MAR 2 1994
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION
 
IN SOUTHEAST FLORIDA
 
   ...CENTRAL BROWARD COUNTY...CENTRAL DADE COUNTY
 
 
AT 220 PM EST MIAMI DOPPLER WEATHER RADAR DECTECTED TWO POSSIBLE SEVERE
THUNDERSTORMS...ONE IN WESTERN BROWARD AND ONE IN WESTERN DADE COUNTY.
BOTH THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AROUND 40 MPH.
 
DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. SEEK
SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE
TELEPHONES OR ELECTRICAL APPLIANCES.
 
IN SCHOOL...WHEREVER POSSIBLE...FOLLOW SEVERE WEATHER PLANS OR MOVE
TO AN INTERIOR HALLWAY AWAY FROM WINDOWS. IN ANY CIRCUMSTANCE...DO
NOT REMAIN IN THE CAFETERIA OR GYMNASIUM BUT SEEK SHELTER ELSEWHERE
IN THE SCHOOL.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WA@RNING.
1 follow-up statement
000 
WUUS1 KMIA 021924
SVRMFL
FLC011-025-022030-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIAMI FL
223 PM EST WED MAR 2 1994
 
THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM EST
FOR PEOPLE IN THE FOLLOWING LOCATION
 
IN SOUTHEAST FLORIDA
 
   ...CENTRAL BROWARD COUNTY...CENTRAL DADE COUNTY
 
 
AT 220 PM EST MIAMI DOPPLER WEATHER RADAR DECTECTED TWO POSSIBLE SEVERE
THUNDERSTORMS...ONE IN WESTERN BROWARD AND ONE IN WESTERN DADE COUNTY.
BOTH THUNDERSTORMS WERE MOVING TOWARD THE NORTHEAST AROUND 40 MPH.
 
DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...VERY HEAVY RAIN...
AND DEADLY LIGHTNING ARE ALL POSSIBLE IN A SEVERE THUNDERSTORM. SEEK
SHELTER IN A STRONG BUILDING. STAY AWAY FROM WINDOWS. DO NOT USE
TELEPHONES OR ELECTRICAL APPLIANCES.
 
IN SCHOOL...WHEREVER POSSIBLE...FOLLOW SEVERE WEATHER PLANS OR MOVE
TO AN INTERIOR HALLWAY AWAY FROM WINDOWS. IN ANY CIRCUMSTANCE...DO
NOT REMAIN IN THE CAFETERIA OR GYMNASIUM BUT SEEK SHELTER ELSEWHERE
IN THE SCHOOL.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER...
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

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 2, 1:06 PM EST, 1 hour 17 minutes before
FLZ063-066>074-502-504-021900-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
110 PM EST WED MAR 2 1994

...SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COLLIER COUNTY UNTIL 145 PM...
...TORNADO WATCH FOR DADE...BROWARD...COLLIER...GLADES...HENDRY COUNTY UNTIL
5 PM EST TODAY...

AT 1PM EST MIAMI DOPPLER WEATHER RADAR SHOWED A LINE OF STRONG TO SEVERE
THUNDERSTORMS CENTERED FROM NEAR CLEWISTON THROUGH SOUTHEAST HENDRY AND
CENTRAL COLLIER COUNTIES TO NEAR MARCO ISLAND. THE LINE WAS CONTINUING TO MOVE
SOUTHEAST AROUND 20 MPH WITH THUNDERSTORMS RACING NORTHEAST AT 40 MPH.

RESIDENTS IN EAST CENTRAL COLLIER COUNTY SHOULD BE PREPARED FOR DAMAGING WINDS
DURING THE NEXT 35 MINUTES.

A LARGE AREA OF RAIN WITH A FEW THUNDERSTORMS CONTINUES OVER THE REMAINDER OF
COLLIER COUNTY AND MOST OF BROWARD AND DADE COUNTIES. RESIDENTS IN THESE AREAS
SHOULD MONITOR THE WEATHER CLOSELY AND BE PREPARED TO TAKE QUICK ACTION SHOULD
A WARNING BE NECESSARY.
Special weather statement, Mar 2, 1:10 PM EST, 1 hour 13 minutes before
FLZ063-066>074-502-504-021900-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIAMI FL
110 PM EST WED MAR 2 1994

...SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COLLIER COUNTY UNTIL 145 PM...
...TORNADO WATCH FOR DADE...BROWARD...COLLIER...GLADES...HENDRY COUNTY UNTIL
5 PM EST TODAY...

AT 1PM EST MIAMI DOPPLER WEATHER RADAR SHOWED A LINE OF STRONG TO SEVERE
THUNDERSTORMS CENTERED FROM NEAR CLEWISTON THROUGH SOUTHEAST HENDRY AND
CENTRAL COLLIER COUNTIES TO NEAR MARCO ISLAND. THE LINE WAS CONTINUING TO MOVE
SOUTHEAST AROUND 20 MPH WITH THUNDERSTORMS RACING NORTHEAST AT 40 MPH.

RESIDENTS IN EAST CENTRAL COLLIER COUNTY SHOULD BE PREPARED FOR DAMAGING WINDS
DURING THE NEXT 35 MINUTES.

A LARGE AREA OF RAIN WITH A FEW THUNDERSTORMS CONTINUES OVER THE REMAINDER OF
COLLIER COUNTY AND MOST OF BROWARD AND DADE COUNTIES. RESIDENTS IN THESE AREAS
SHOULD MONITOR THE WEATHER CLOSELY AND BE PREPARED TO TAKE QUICK ACTION SHOULD
A WARNING BE NECESSARY.
Special weather statement, Mar 2, 1:25 PM EST, 58 minutes before
FLZ058-059-063-064-066>068-021830-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
125 PM EST WED MAR 02 1994

 ...A TORNADO WATCH REMAINS IN EFFECT FOR PALM BEACH...MARTIN...
 ST LUCIE...GLADES...HENDRY...AND OKECHOBEE COUNTIES UNTIL 5PM EST...

A BROAD AREA OF RAIN...WITH SEVERAL EMBEDDED SHOWERS AND THUNDERSTORMS...
COVERED MUCH OF THE SOUTHEASTERN PENINSULA EAST OF A LINE FROM
MELBOURNE TO MARCO ISLAND.

THE STRONGEST STORMS WERE OVER MARTIN AND ST LUCIE COUNTIES MOVING
TO THE NORTHEAST AT 40 MILES AN HOUR.

ANOTHER STRONG STORM WAS JUST MOVING INTO THE SOUTHWESTERN CORNER
OF PALM BEACH COUNTY.

THE RAIN AREA EXTENDED EASTWARD OVER THE ATLANTIC TO GRAND BAHAMA
ISLAND.

REMEMBER...SEVERE THUNDERSTORMS ARE POSSIBLE WITHIN...AND NEAR TO...
THE WATCH AREA.

RESIDENTS SHOULD BE ALERT FOR THE POSSIBILITY OF SEVERE
WEATHER AND BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL RADIO OR TV
STATION FOR WARNINGS IN CASE THEY ARE REQUIRED.

NNNN
Special weather statement, Mar 2, 1:37 PM EST, 46 minutes before
FLZ058-059-063-064-066>068-021830-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE WEST PALM BEACH FL
125 PM EST WED MAR 02 1994

 ...A TORNADO WATCH REMAINS IN EFFECT FOR PALM BEACH...MARTIN...
 ST LUCIE...GLADES...HENDRY...AND OKECHOBEE COUNTIES UNTIL 5PM EST...

A BROAD AREA OF RAIN...WITH SEVERAL EMBEDDED SHOWERS AND THUNDERSTORMS...
COVERED MUCH OF THE SOUTHEASTERN PENINSULA EAST OF A LINE FROM
MELBOURNE TO MARCO ISLAND.

THE STRONGEST STORMS WERE OVER MARTIN AND ST LUCIE COUNTIES MOVING
TO THE NORTHEAST AT 40 MILES AN HOUR.

ANOTHER STRONG STORM WAS JUST MOVING INTO THE SOUTHWESTERN CORNER
OF PALM BEACH COUNTY.

THE RAIN AREA EXTENDED EASTWARD OVER THE ATLANTIC TO GRAND BAHAMA
ISLAND.

REMEMBER...SEVERE THUNDERSTORMS ARE POSSIBLE WITHIN...AND NEAR TO...
THE WATCH AREA.

RESIDENTS SHOULD BE ALERT FOR THE POSSIBILITY OF SEVERE
WEATHER AND BE PREPARED TO MOVE QUICKLY TO A PLACE OF SAFETY.

STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE LOCAL RADIO OR TV
STATION FOR WARNINGS IN CASE THEY ARE REQUIRED.

NNNN
Local storm report, Mar 2, 1:50 PM EST, 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
150 PM EST WED MAR 02 1994

123 PM EST   SHERIFFS OFFICE REPORTED A POSSIBLE TORNADO DESTROYED A MOBILE
             HOME AND INJURED TWO PERSONS...ONE TRANSPORTED TO HOSPITAL ABOUT
             17 E APF.

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Local storm report, Mar 2, 1:50 PM EST, 33 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIAMI FL
150 PM EST WED MAR 02 1994

123 PM EST   SHERIFFS OFFICE REPORTED A POSSIBLE TORNADO DESTROYED A MOBILE
             HOME AND INJURED TWO PERSONS...ONE TRANSPORTED TO HOSPITAL ABOUT
             17 E APF.

The office that day

Everything else NWS Miami, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 2, 11:28 AM ESTSevere Thunderstorm WarningMFLGlades62 min
Mar 2, 11:41 AM ESTSevere Thunderstorm WarningMFLCollier64 min
Mar 2, 12:45 PM ESTSevere Thunderstorm WarningMFLCollier60 min
Mar 2, 1:13 PM ESTSevere Thunderstorm WarningMFLBroward47 min
Mar 2, 1:45 PM ESTTornado WarningMFLCollier60 min
Mar 2, 2:46 PM ESTSevere Thunderstorm WarningMFLBroward, Miami-Dade59 min

Nearby

Severe Thunderstorm Warnings in Florida, 1994Every severe thunderstorm warning in 1994

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.