Alert archive / Florida / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 1, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Jun 4, 1990, 5:15 PM EDT for Broward County, Florida. It was in force for 30 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
- Jun 4, 1990, 5:15 PM EDT (21:15 UTC)
- Expired
- Jun 4, 1990, 5:45 PM EDT
- In force
- 30 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 |
|---|---|---|---|
| Jun 4, 5:27 PM EDT | Tornado F0 | 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, 9.3 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- NaN m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 17 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 042117 SVRMIA FLC011-042145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MIAMI FL 515 PM EDT MON JUN 4 1990 THE NATIONAL WEATHER SERVICE IN MIAMI HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 545 PM EDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST FLORIDA ...NORTHEASTERN BROWARD COUNTY AND THE ADJACENT COASTAL WATERS ALONG THE SOUTHEAST FLORIDA COAST BETWEEN DEERFIELD BEACH AND HALLANDALE ...SEVERE THUNDERSTORM IN NORTHEAST BROWARD... RADAR AND THE PUBLIC REPORTED A SEVERE THUNDERSTORM OVER NORTHEAST BROWARD COUNTY AT 513 PM. THIS THUNDERSTORM EXTENDED FROM POMPANO BEACH TO NEAR DAVIE AND IS MOVING EAST AT 10 MPH. A TORNADO WAS REPORTED AT 508 PM IN TAMARAC WITH THIS STORM. 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.
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, Jun 4, 1:44 PM EDT, 3 hours 31 minutes before
FLZ015-023-041830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 140 PM EDT MON JUN 4 1990 AT 130 PM MIAMI RADAR INDICATED CLUSTERS OF THUNDERSTORMS WERE DEVELOPING OVER SOUTH FLORIDA SOUTH OF A FORT PIERCE/VENICE LINE. THE HEAVIER THUNDERSTORMS WERE LOCATED SOUTH OF LAKE OKEECHOBEE ALONG HENDRY AND COLLIER COUNTIES. RESIDENTS OF THESE COUNTIES CAN EXPECT PERIODS OF LOCALLY VERY HEAVY RAIN ...STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES AND POSSIBLE SMALL HAIL AS THESE STORMS MOVE EAST AT 10 MILES AN HOUR. THIS AREA ALSO EXTENDED JUST OFFSHORE ST LUCIE AND MARTIN COUNTIES. OTHER SCATTERED SHOWERS AND THUNDERSTORMS...SOME WITH VERY HEAVY RAIN... CONTINUwED NORTH OF GRAND BAHAMA ISLAND TO ANDROS ISLAND...THE CAY SAL BANK... AND ALONG THE SOUTHEAST GULF WATERS NORTH OF THE LOWER KEYS. MAXIMIUM PRECIPITATION TOP WAS LOCATED 10 MILES EAST OF NAPLES.
Special weather statement, Jun 4, 2:35 PM EDT, 2 hours 40 minutes before
FLZ022-042030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 233 PM EDT MON JUN 4 1990 NATIONAL WEATHER SERVICE RADAR IN MIAMI INDICATES THUNDERSTORMS RAPIDLY INCREASING IN INTENSITY OVER SOUTHWEST DADE COUNTY. THE STRONGEST OF THESE THUNDERSTORMS IS LOCATED ABOUT 15 MILES TO THE SOUTHWEST OF CORAL GABLES WHICH PLACES ITS LOCATION OVER THE RICHMOND HEIGHTS AND WEST PERRINE AREA. MOVEMENT OF THIS THUNDERSTORM IS TOWARD THE NORTHWEST AT LESS THAN 10 MPH AND WILL CARRY IT OVER THE WEST KENDALL AND WEST MIAMI AREAS DURING THE NEXT 2 HOURS. THE RAPID DEVELOPMENT OF THIS PARTICULAR THUNDERSTORM AND ITS BEING IN A VERY FAVORABLE LOCATION FOR ADDITIONAL DEVELOPMENT...MAKES THE SITUATION OF SOME CONCERN FOR THE PUBLIC. THE POSSIBILITY OF SEVERE WEATHER DEVELOPING ALONG THE PATH OF THE THUNDERSTORM WILL RESULT IN POTENTIAL FOR STRONG WIND GUSTS... EXTREMELY HEAVY RAINS AND LOCALIZED FLOODING...AND POSSIBLE HAIL. THE PUBLIC IS URGED TO BE ALERT TO ADDITIONAL STATEMENTS OR WARNINGS THAT MAY BE REQUIRED AND TO RELAY ANY REPORTS OF SEVERE WEATHER TO THEIR NEAREST LAW ENFORCEMENT AGENCY OR THE NATIONAL WEATHER SERVICE OFFICE.
Special weather statement, Jun 4, 3:36 PM EDT, 1 hour 39 minutes before
FLZ022-042130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 334 PM EDT MON JUN 4 1990 ...SPECIAL WEATHER STATEMENT ISSUED FOR DADE AND BROWARD COUNTIES... NATIONAL WEATHER SERVICE RADAR AT MIAMI CONTINUES TO INDICATE RAPIDLY DEVELOPING THUNDERSTORMS OVER THE SOUTHWEST DADE AND SOUTHERN METRO AREA OF MIAMI DURING THE PAST HOUR. THESE THUNDERSTORMS WILL CONTINUE TO INCREASE BOTH IN INTENSITY AND SIZE OF AREA AFFECTED DURING THE REMAINDER OF THE AFTERNOON. THE EXTENT OF THE HEAVIEST OF THE IS LOCATED ALONG AN AREA COVERING MOST OF THE AREA FROM NEAR HOMESTEAD NORTHWARD ACROSS PERRINE AND NOW DEVELOPING OVER THE WESTERN PARTS OF THE MIAMI METRO AREA THAT INCLUDES MIAMI INTERNATIONAL AIRPORT. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING EXTREMELY INTENSE RAINFALLS EXEEDING THREE INCHES PER HOUR AND LOCALIZED FLOODING. STREET FLOODING AND THE PONDING OF WATER IN ROADWAYS WILL BECOME AN INCREASING PROBLEM THIS AFTERNOON CAUSING WIDESPREAD TRAFFIC DELAYS AND HAZARDOUS DRIVING CONDITIONS. HIGH WINDS AND DANGEROUS LIGHTNING ARE ALSO LIKELY. WITHIN THE NEXT COUPLE OF HOURS THESE THUNDERSTORMS WILL BE DEVELOPING FARTHER NORTHWARD AFFECTING BROWARD COUNTY INCLUDING THE METRO AREA FROM HOLLYWOOD NORTH TO FORT LAUDERDALE AND POMPANO BEACH AS WELL AS WESTERN PART OF THE COUNTY.
Special weather statement, Jun 4, 3:38 PM EDT, 1 hour 37 minutes before
FLZ022-042130- SPECIAL WEATHER STATEMENT...CORRECTION NATIONAL WEATHER SERVICE MIAMI FL 334 PM EDT MON JUN 4 1990 ...SPECIAL WEATHER STATEMENT ISSUED FOR DADE AND BROWARD COUNTIES... NATIONAL WEATHER SERVICE RADAR AT MIAMI CONTINUES TO INDICATE RAPIDLY DEVELOPING THUNDERSTORMS OVER THE SOUTHWEST DADE AND SOUTHERN METRO AREA OF MIAMI DURING THE PAST HOUR. THESE THUNDERSTORMS WILL CONTINUE TO INCREASE BOTH IN INTENSITY AND SIZE OF AREA AFFECTED DURING THE REMAINDER OF THE AFTERNOON. THE EXTENT OF THE HEAVIEST ACTIVITY IS LOCATED ALONG AN AREA COVERING MOST OF THE AREA FROM NEAR HOMESTEAD NORTHWARD ACROSS PERRINE AND NOW DEVELOPING OVER THE WESTERN PARTS OF THE MIAMI METRO AREA THAT INCLUDES MIAMI INTERNATIONAL AIRPORT. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING EXTREMELY INTENSE RAINFALLS EXEEDING THREE INCHES PER HOUR AND LOCALIZED FLOODING. STREET FLOODING AND THE PONDING OF WATER IN ROADWAYS WILL BECOME AN INCREASING PROBLEM THIS AFTERNOON CAUSING WIDESPREAD TRAFFIC DELAYS AND HAZARDOUS DRIVING CONDITIONS. HIGH WINDS AND DANGEROUS LIGHTNING ARE ALSO LIKELY. WITHIN THE NEXT COUPLE OF HOURS THESE THUNDERSTORMS WILL BE DEVELOPING FARTHER NORTHWARD AFFECTING BROWARD COUNTY INCLUDING THE METRO AREA FROM HOLLYWOOD NORTH TO FORT LAUDERDALE AND POMPANO BEACH AS WELL AS WESTERN PART OF THE COUNTY.
Special weather statement, Jun 4, 4:27 PM EDT, 48 minutes before
FLZ019-042230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIAMI FL 426 PM EDT MON JUN 4 1990 ...STRONG THUNDERSTORMS DEVELOPING RAPIDLY IN WESTERN GLADES COUNTY... AT 420 PM RADAR AND SATELLITE INDICATED STRONG THUNDERSTORMS HAD DEVELOPED OVER THE WESTERN PORTION OF FISHEATING CREEK IN GLADES COUNTY. ALSO ANOTHER GROUP OF THUNDERSTORMS WERE BEGINNING TO INTENSIFY BETWEEN PALMDALE AND GOODNO. ALL OF THESE STORMS WILL PRODUCE SMALL HAIL AND WIND GUSTS TO 30 TO 40 MPH. RESIDENTS CAN EXPECT SOME THUNDERSTORMS TO REMAIN IN WESTERN GLADES COUNTY UNTIL AROUND 6 PM BEFORE DECREASING IN INTENSITY. IF ANY DAMAGING WEATHER OCCURS PLEASE REPORT IT TO THE NEAREST LAW ENFORCEMENT ALGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
Special weather statement, Jun 4, 4:48 PM EDT, 27 minutes before
FLZ015>023-042145- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 445 PM EDT MON JUN 4 1990 AT 435 PM MIAMI RADAR INDICATED CLUSTERS OF SHOWERS AND THUNDERSTORMS...WITH VERY HEAVY RAINFALL...EXTENDING FROM JUST SOUTHWEST OF BOYNTON BEACH TO 10 MILESWEST OF FORT LAUDERDALE TO FLAMINGO. THESE THUNDERSTORMS WERE MOVING TOWARDS THE NORTHEAST AT 5 TO 10 MILES AN HOUR. SOME OF THESE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 30 TO 40 MPH. RESIDENTS OF BROWARD AND DADE COUNTIES SHOULD BE ALERT AND BE PREPARED TO TAKE APPROPRIATE ACTION IF THREATENING WEATHER SIGHTED. ELSEWHERE...SCATTERED SHOWERS AND THUNDERSTORMS CONTINUED OVER THE SOUTHERN PENINSULA. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ALSO CONTINUED OVE THE ATLANTIC WATERS BETWEEN THESOUTHEAST COAST AND THE BAHAMAS AND ALSO OVER THE SOUTHEASTERN GULF OF MEXICO TO JUST NORTH OF THE LOWER KEYS. MOVEMENT WAS TOWARDS THE NORTHEAST^ AT 5 TO 10 MILES AN HOUR.
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.