Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 10, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jul 22, 1990, 5:47 PM EDT for Broward County, Florida. It was in force for 58 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 22, 1990, 5:47 PM EDT (21:47 UTC)
- Expired
- Jul 22, 1990, 6:45 PM EDT
- In force
- 58 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Broward County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 22, 6:05 PM EDT | Thunderstorm Wind 0 | Broward, FL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 9.8 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
- 1371 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 748 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- -13 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 222148 RRA SVRMIA FLC011-222245- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 547 PM EDT SUN JUL 22 1990 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 645 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST FLORIDA ...EASTERN BROWARD COUNTY AT 545 PM EDT RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF SUNRISE MOVING EAST ABOUT 10 MPH. DAMAGING WIND...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. A MOBILE HOME IS NOT A SAFE REFUGE FROM A SEVERE THUNDERSTORM...MOVE TO A MORE SUBSTANTIAL BUILDING. 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 tOFFICE.
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, Jul 22, 3:10 PM EDT, 2 hours 37 minutes before
FLZ019-020-222015- SPECIAL WEATHER AND MARINE STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 310 PM EDT SUN JUL 22 1990 RADAR SHOWED STRONG THUNDERSTORMS ACROSS NORTH OKEECHOBEE COUNTY AND NORTH ST LUCIE COUNTY MOVING TO THE SOUTHEAST AT 10 MPH. THE STRONGEST THUNDERSTORM WAS JUST SOUTHEAST OF VERO BEACH. THIS THUNDERSTORM WAS MOVING INTO THE ST LUCIE COUNTY COASTAL WATERS WITH FREQUENT LIGHTNING STRIKES...GUSTY WIND CAUSING LOCALLY ROUGH SEAS AND SHARPLY REDUCED VISIBILITY IN VERY HEAVY RAIN. ANOTHER STRONG THUNDERSTORM OVER LAKE OKEECHOBEE WAS MOVING ONTO SHORE IN WSTERN PALM BEACH COUNTY. BOATERS IN THESE AREAS SHOULD SEEK SAFE HARBOR NOW. NNNN
Special weather statement, Jul 22, 4:10 PM EDT, 1 hour 37 minutes before
FLZ022-222210- SPECIAL WEATHER STATEMENT SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 410 PM EDT SUN JUL 22 1990 ...THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPING OVER SOUTHERN DADE COUNTY... AT 410 PM RADAR INDICATES RAPIDLY DEVELOPING THUNDERSTORMS OVER SOUTHERN DADE COUNTY. THESE THUNDERSTORMS ARE MOVING EAST NORTHEAST AT 8 MPH. RESIDENTS OF SOUTHERN DADE COUNTY ARE ADVISED TO TAKE APPROPRIATE ACTION IF THREATENING WEATHER APPROACHES AS THESE THUNDERSTORMS MAY CONTAIN STRONG GUSTY WINDS...LOCALLY HEAVY RAINS...DANGEROUS FREQUENT LIGHTNING STRIKES... AND POSSIBLE HAIL. MOTORISTS OVER SOUTH FLORIDA SHOULD DRIVE CAREFULLY AND ALLOW AMPLE EXTRA TIME TO %REACH THEIR DESTINATION UNTIL CONDITIONS IMPROVE.
Special weather statement, Jul 22, 4:19 PM EDT, 1 hour 28 minutes before
FLZ022-222210- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE MIAMI FL 410 PM EDT SUN JUL 22 1990 ...THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPING OVER SOUTHERN DADE COUNTY... AT 410 PM RADAR INDICATES RAPIDLY DEVELOPING THUNDERSTORMS OVER SOUTHERN DADE COUNTY. THESE THUNDERSTORMS ARE MOVING EAST NORTHEAST AT 8 MPH. RESIDENTS OF SOUTHERN DADE COUNTY ARE ADVISED TO TAKE APPROPRIATE ACTION IF THREATENING WEATHER APPROACHES AS THESE THUNDERSTORMS MAY CONTAIN STRONG GUSTY WINDS...LOCALLY HEAVY RAINS...DANGEROUS FREQUENT LIGHTNING STRIKES... AND POSSIBLE HAIL. MOTORISTS OVER SOUTH DADE COUNTY SHOULD DRIVE CAREFULLY AND ALLOW AMPLE EXTRA TO REACH THEIR DESTINATION UNTIL( CONDITIONS IMPROVE.
Special weather statement, Jul 22, 4:37 PM EDT, 1 hour 10 minutes before
FLZ015>023-222130- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 430 PM EDT SUN JUL 22 1990 ...THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPING OVER SOUTHERN DADE COUNTY... AT 425 PM RADAR INDICATES RAPIDLY DEVELOPING THUNDERSTORMS OVER SOUTHERN AND WESTERN DADE COUNTY. THESE THUNDERSTORMS ARE MOVING EAST NORTHEAST AT 8 MPH. RESIDENTS OF SOUTHERN DADE COUNTY ARE ADVISED TO TAKE APPROPRIATE ACTION IF THREATENING WEATHER APPROACHES AS THESE THUNDERSTORMS MAY CONTAIN STRONG GUSTY WINDS...LOCALLY HEAVY RAINS...DANGEROUS FREQUENT LIGHTNING STRIKES... AND POSSIBLE HAIL. MOTORISTS OVER SOUTH DADE COUNTY SHOULD DRIVE CAREFULLY AND ALLOW AMPLE EXTRA TO REACH THEIR DESTINATION UNTIL CONDITIONS IMPROVE. OTHER SCATTERED SHOWERS AND THUNDERSTORMS WERE OVER THE INTERIOR SECTIONS OF SOUTH FLORIDA SOUTH OF LAKE PLACID AND ARCADIA TO LAKE OKEECHOBEE AND EXTENDED TO WESTERN BROWARD AND NORTHEAST DADE COUNTIES. A FEW S9HOWERS WERE OVER STUART TO THE ADJACENT WATERS.
Special weather statement, Jul 22, 5:20 PM EDT, 27 minutes before
FLZ021-022-222320- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 520 PM EDT SUN JUL 22 1990 ...THUNDERSTORMS WITH VERY HEAVY RAIN DEVELOPING OVER CENTRAL BROWARD AND NORTHWEST DADE COUNTIES. AT 520 PM RADAR INDICATES RAPIDLY DEVELOPING THUNDERSTORMS OVER CENTRAL BROWARD AND NORTHWEST DADE COUNTIES. THESE THUNDERSTORMS ARE MOVING EAST AROUND 8 MPH. RESIDENTS OF IN THESE AREAS ARE ADVISED TO TAKE APPROPRIATE ACTION IF THREATENING WEATHER APPROACHES AS THESE THUNDERSTORMS MAY CONTAIN STRONG GUSTY WINDS...LOCALLY HEAVY RAINS...DANGEROUS FREQUENT LIGHTNING STRIKES... AND POSSIBLE HAIL. MOTORISTS OVER IN THESE AREAS SHOULD DRIVE CAREFULLY AND ALLOW AMPLE TIME TO REACH THEIR gDESTINATION UNTIL CONDITIONS IMPROVE.
Nearby
Severe Thunderstorm Warnings in Florida, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.