Alert archive / Florida / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 37, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Aug 23, 1994, 4:38 PM EDT for Broward County, Florida. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- Aug 23, 1994, 4:38 PM EDT (20:38 UTC)
- Expired
- Aug 23, 1994, 5:40 PM EDT
- In force
- 62 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Broward County, FL
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 8.6 hours before the alert went out and 218 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
- 1756 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 907 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 232040 RRA SVRMIA FLC011-232145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 438 PM EDT TUE AUG 23 1994 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST FLORIDA ...EASTERN BROWARD COUNTY AND THE ADJACENT COASTAL WATERS ALONG THE SOUTHEAST FLORIDA COAST AT 425 PM BROWARD COUNTY SHERIFF REPORTED WIND TO 60 MPH AND TREE DAMAGE ASSOCIATED WITH A STRONG THUNDERSTORM OVER EASTERN BROWARD COUNTY. THE THUNDERSTORM IS DRIFTING SOUTHEASTWARD AND SHOULD AFFECT THE REMAINDER OF EASTERN BROWARD COUNTY DURING THE NEXT HOUR. DAMAGHING 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.
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, 2:35 PM EDT, 2 hours 3 minutes before
FLZ068-231945- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 230 PM EDT TUE AUG 23 1994 ...STRONG THUNDERSTORMS OVER AND OFFSHORE PALM BEACH COUNTY... STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND FREQUENT LIGHTNING WERE OVER AND OFFSHORE MOST OF PALM BEACH COUNTY. THESE STRONG THUNDERSTORMS ARE CAPABLE OF PRODUCING GUSTY WINDS... DANGEROUS LIGHTNING...REDUCED VISIBILITIES IN HEAVY DOWNPOURS... ROUGH SEAS AND PONDING OF WATER ON ROADWAYS. RESIDENTS OF PALM BEACH COUNTY AS WELL AS BOATERS OFFSHORE PALM BEACH COUNTY ARE ADVISED TO SEEK SAFE SHELTER OR HARBOR IF THREATENING WEATHER APPROACHES YOUR LOCATION. ELSEWHERE...RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS... SOME WITH VERY HEAVY RAIN...OVER THE ATLANTIC WATERS NORTH OF GRAND BAHAMA ISLAND. WIDELY SCATTERED SHOWERS AND A FEW THUNDERSTORMS EXTENDED FROM THE GREAT BAHAMA BANK TO WELL SOUTH OF THE BIMINIS. SHOWERS AND THUNDERSTORMS HAD DEVELOPED OVER COLLIER AND MONROE COUNTY. MOVEMENT OF THE ACTIVITY WAS SOUTHEAST AT 5 TO 10 MILES AN HOUR.
Special weather statement, Aug 23, 3:35 PM EDT, 1 hour 3 minutes before
FLZ068-232045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 335 PM EDT TUE AUG 23 1994 ...STRONG THUNDERSTORMS OVER AND OFFSHORE SOUTHERN PALM BEACH COUNTY... STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND FREQUENT LIGHTNING WERE OVER AND OFFSHORE SOUTHERN PALM BEACH COUNTY. THESE STRONG THUNDERSTORMS ARE CAPABLE OF PRODUCING GUSTY WINDS... DANGEROUS LIGHTNING...REDUCED VISIBILITIES IN HEAVY DOWNPOURS... ROUGH SEAS AND PONDING OF WATER ON ROADWAYS. RESIDENTS OF SOUTHERN PALM BEACH COUNTY AS WELL AS BOATERS OFFSHORE SOUTHERN PALM BEACH COUNTY ARE ADVISED TO SEEK SAFE SHELTER OR HARBOR IF THREATENING WEATHER APPROACHES YOUR LOCATION. ELSEWHERE...RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS... SOME WITH VERY HEAVY RAIN...OVER THE ATLANTIC WATERS FROM SOUTHERN PALM BEACH COUNTY TO GRAND BAHAMA ISLAND. WIDELY SCATTERED SHOWERS EXTENDED FROM THE GREAT BAHAMA BANK TO THE BIMINIS AND ANDROS ISLAND. SHOWERS AND THUNDERSTORMS HAD DEVELOPED OVER COLLIER AND MONROE COUNTIES. SHOWERS AND THUNDERSTORMS HAVE ALSO DEVELOPED FROM MELBOURNE TO WEST OF VERO BEACH. ISOLATED THUNDERSTORMS WERE ALSO DETECTED IN NORTHWESTERN OKEECHOBEE COUNTY...AND IN NORTHERN HIGHLANDS COUNTY. MOVEMENT OF THE ACTIVITY WAS SOUTHEAST AT 5 TO 10 MILES AN HOUR.
Special weather statement, Aug 23, 3:39 PM EDT, 59 minutes before
FLZ068-232045- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 335 PM EDT TUE AUG 23 1994 ...STRONG THUNDERSTORMS OVER AND OFFSHORE SOUTHERN PALM BEACH COUNTY... STRONG THUNDERSTORMS WITH VERY HEAVY RAIN AND FREQUENT LIGHTNING WERE OVER AND OFFSHORE SOUTHERN PALM BEACH COUNTY. THESE STRONG THUNDERSTORMS ARE CAPABLE OF PRODUCING GUSTY WINDS... DANGEROUS LIGHTNING...REDUCED VISIBILITIES IN HEAVY DOWNPOURS... ROUGH SEAS AND PONDING OF WATER ON ROADWAYS. RESIDENTS OF SOUTHERN PALM BEACH COUNTY AS WELL AS BOATERS OFFSHORE SOUTHERN PALM BEACH COUNTY ARE ADVISED TO SEEK SAFE SHELTER OR HARBOR IF THREATENING WEATHER APPROACHES YOUR LOCATION. ELSEWHERE...RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS... SOME WITH VERY HEAVY RAIN...OVER THE ATLANTIC WATERS FROM SOUTHERN PALM BEACH COUNTY TO GRAND BAHAMA ISLAND. WIDELY SCATTERED SHOWERS EXTENDED FROM THE GREAT BAHAMA BANK TO THE BIMINIS AND ANDROS ISLAND. SHOWERS AND THUNDERSTORMS HAD DEVELOPED OVER COLLIER AND MONROE COUNTIES. SHOWERS AND THUNDERSTORMS HAVE ALSO DEVELOPED FROM MELBOURNE TO WEST OF VERO BEACH. ISOLATED THUNDERSTORMS WERE ALSO DETECTED IN NORTHWESTERN OKEECHOBEE COUNTY...AND IN NORTHERN HIGHLANDS COUNTY. MOVEMENT OF THE ACTIVITY WAS SOUTHEAST AT 5 TO 10 MILES AN HOUR.
Special weather statement, Aug 23, 4:20 PM EDT, 18 minutes before
FLZ063-066-069>074-502-504-232120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 420 PM EDT TUE AUG 23 1994 ...STRONG THUNDERSTORM OVER NORTHERN BROWARD COUNTY... RADAR AT 420 PM DETECTED A STRONG THUNDERSTORM OVER NORTHEASTERN BROWARD COUNTY. MOVEMENT WAS SOUTHEASTWARD AND SHOULD AFFECT POPULATED AREAS DURING THE NEXT HOUR IN THE CORAL SPRINGS AND POMPANO BEACH AREA. GUST WIND VERY HEAVY RAINFALL AND FREQUENT LIGHTNING MAY OCCUR. ELSEWHERE OVER SOUTH FLORIDA WIDELY SCATTERED THUNDERSTORMS OVER SOUTH DADE COUNTY HAVE DEVELOPED. AND AN ISOLATED THUNDERSTORM CONTINUES OVER COLLIER COUNTY.
Special weather statement, Aug 23, 4:21 PM EDT, 17 minutes before
FLZ063-066-069>074-502-504-232120- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 420 PM EDT TUE AUG 23 1994 ...STRONG THUNDERSTORM OVER NORTHERN BROWARD COUNTY... RADAR AT 420 PM DETECTED A STRONG THUNDERSTORM OVER NORTHEASTERN BROWARD COUNTY. MOVEMENT WAS SOUTHEASTWARD AND SHOULD AFFECT POPULATED AREAS DURING THE NEXT HOUR IN THE CORAL SPRINGS AND POMPANO BEACH AREA. GUST WIND VERY HEAVY RAINFALL AND FREQUENT LIGHTNING MAY OCCUR. ELSEWHERE OVER SOUTH FLORIDA WIDELY SCATTERED THUNDERSTORMS OVER SOUTH DADE COUNTY HAVE DEVELOPED. AND AN ISOLATED THUNDERSTORM CONTINUES OVER COLLIER COUNTY.
Special weather statement, Aug 23, 4:35 PM EDT, 3 minutes before
FLZ068-232145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE WEST PALM BEACH FL 435 PM EDT TUE AUG 23 1994 ...STRONG THUNDERSTORMS OVER SOUTHWESTERN PALM BEACH COUNTY... STRONG THUNDERSTORMS...WITH VERY HEAVY RAIN AND FREQUENT LIGHTNING... WERE OVER THE SOUTHWESTERN CORNER OF PALM BEACH COUNTY. THESE STRONG THUNDERSTORMS ARE CAPABLE OF PRODUCING GUSTY WINDS... DANGEROUS LIGHTNING...REDUCED VISIBILITIES IN HEAVY DOWNPOURS... AND PONDING OF WATER ON ROADWAYS. RESIDENTS OF SOUTHERN PALM BEACH COUNTY AS WELL AS BOATERS OFFSHORE SOUTHERN PALM BEACH COUNTY ARE ADVISED BE ON SPECIAL ALERT AND BE PREPARED TO SEEK SAFE SHELTER OR HARBOR IF THREATENING WEATHER APPROACHES YOUR LOCATION. ELSEWHERE...RADAR INDICATED LARGE PATCHES OF RAIN...MOSTLY LIGHT...WITH EMBEDDED SCATTERED SHOWERS AND THUNDERSTORMS OVER MOST OF THE AREA NORTH OF A FORT PIERCE TO SARASOTA LINE. PATCHES OF RAIN AND SHOWERS WERE SCATTERED ACROSS THE SOUTHERN PENINSULA FROM FORT MYERS TO BISCAYNE BAY. OVER THE ATLANTIC...A LARGE AREA OF RAIN STRETCHED FRO JUST OFFSHORE WEST PALM BEACH EASTWARD TO GREAT ABACO ISLAND. MOVEMENT WAS EAST AT LESS THAN 10 MILES AN HOUR. NNNN
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 23, 4:49 PM EDT | Severe Thunderstorm Warning | MFL | Miami-Dade | 56 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.