Alert archive / Florida / Tornado Warnings in 1987
Tornado Warning 10, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Sep 14, 1987, 5:35 PM EDT for Miami-Dade County, Florida. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Sep 14, 1987, 5:35 PM EDT (21:35 UTC)
- Expired
- Sep 14, 1987, 7:35 PM EDT
- In force
- 2 hr
- Issued by
- NWS Miami, FL
- Area
- Whole counties
County Miami-Dade County, FL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 9.6 hours before the alert went out and 169 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
- 2479 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 813 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 15 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Sep 14, 12:57 PM EDT, 4 hours 38 minutes before
SPECIAL WEATHER AND MARINE STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1257 PM EDT MON SEP 14 1987 ...STRONG THUNDERSTORMS DEVELOPING OVER EASTERN PALM BEACH AND MARTIN COUNTIES... RADAR SHOWED STRONG THUNDERSTORMS ...SOME WITH VERY HEAVY RAINFALL... BUILDING OVER NORTHEASTERN PALM BEACH COUNTY AND SOUTHEASTERN MARTIN COOUNTIES. THE THUNDERSTORMS WERE SLOW MOVING AND RAINFALL AMOUNTS WOULD BE LOCALLY HEAVY CAUSING LOW VISIBILITIES AND PONDING IN LOW PLACES FOR MOTORISTS. THE THUNDERSTORMS MAY TRAP BOATERS OFFSHORE AS THEY DRIFT OVER THE COASTAL WATERS WITH GUSTY WIND...LOCALLY ROUGH SEAS...FREQUENT LIGHTNING AND HEAVY RAIN FOR THE NEXT HOUR OR TWO. REPORT SEVERE WEATHER OCCURUENCES TO YOUR LAW ENFORCEMENT AGENCY AND STAY TUNED TO NOAA WEATHER RADIO FOR POSSIBLE UPDATES.
Special weather statement, Sep 14, 1:00 PM EDT, 4 hours 35 minutes before
SPECIAL WEATHER AND MARINE STATEMENT CORRECTED NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1257 PM EDT MON SEP 14 1987 ...STRONG THUNDERSTORMS DEVELOPING OVER EASTERN PALM BEACH AND MARTIN COUNTIES... RADAR SHOWED STRONG THUNDERSTORMS ...SOME WITH VERY HEAVY RAINFALL... BUILDING OVER NORTHEASTERN PALM BEACH AND SOUTHEASTERN MARTIN COUNTIES. THE THUNDERSTORMS WERE SLOW MOVING AND RAINFALL AMOUNTS WOULD BE LOCALLY HEAVY CAUSING LOW VISIBILITIES AND PONDING IN LOW PLACES FOR MOTORISTS. THE THUNDERSTORMS MAY TRAP BOATERS OFFSHORE AS THEY DRIFT OVER THE COASTAL WATERS WITH GUSTY WIND...LOCALLY ROUGH SEAS...FREQUENT LIGHTNING AND HEAVY RAIN FOR THE NEXT HOUR OR TWO. REPORT SEVERE WEATHERW OCCURENCES TO YOUR LAW ENFORCEMENT AGENCY AND STAY TUNED TO NOAA WEATHER RADIO FOR POSSIBLE UPDATES.
Special weather statement, Sep 14, 4:41 PM EDT, 54 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 430 PM EDT MON SEP 14 1987 NUMEROUS VERY STRONG THUNDERSTORMS WERE OVER INTERIOR SECTIONS OF PALM BEACH AND NORTHERN BROWARD COUNTIES. THE STRONGEST THUNDERSTORMS WERE IN A NARROW BAND 10 TO 15 MILES INLAND FROM DELRAY BEACH...BOCA RATON AND POMPANO BEACH. THEY WILL BE ACCOMPANIED BY VERY HEAVY RAIN...FREQUENT AND DANGEROUS LIGHTNING...ALONG WITH BRIEFLY STRONG AND GUSTY WINDS. RESIDENTS ALONG THE COAST OF BROWARD COUNTY AND THOSE WITH MARINE INTERESTS SHOULD BE ALERT FOR THESE THUNDERSTORMS AS THEY MOVE TOWARD THE COAST. ELSEWHERE SHOWERS AND THUNDERSTORMS WITH VERY HEAVY RAIN WERE SCATTERED OVER THE PENINSULA SOUTH OF A VERO BEACH...FT MYERS LINE. WIDELY SCATTERED SHOWERS WERE AROUND THE CAY SAL BANK. MOVEMENT WAS EAST AT LESS THAN 10 MILES AN HOUR.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 14, 5:56 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 64 min |
Nearby
Tornado Warnings in Florida, 1987Every tornado warning in 1987Tornadoes in 1987
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.