Alert archive / Florida / Tornado Warnings in 1987
Tornado Warning 6, NWS Miami, FL
NWS Miami, FL issued this tornado warning at Jul 19, 1987, 11:53 AM EDT for Miami-Dade County, Florida. It was in force for 47 min.
The area
The counties it named.
The facts
- Issued
- Jul 19, 1987, 11:53 AM EDT (15:53 UTC)
- Expired
- Jul 19, 1987, 12:40 PM EDT
- In force
- 47 min
- 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, 3.9 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
- 2284 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 727 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 86 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 191553 TORMIA FLC025-191700- BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE MIAMI FL 1153 AM EDT SUN JUL 19 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 100 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF SOUTHEAST FLORIDA...DADE WEATHER RADAR HAS INDICATED THE POSSIBILITY OF A TORNADO FORMING OVER PORTIONS OF CENTRAL AND SOUTH DADE COUNTY...INCLUDING NEIGHBORHOODS AROUND CORAL GABLES...SOUTH MIAMI...KENDALL... AND ADJACENT AREAS. THIS POSSIBLE TORNADO IS ASSOCIATED WITH A DEVELOPING SEVERE THUNDERSTORM WHICH ALSO WILL BE PRODUCING STRONG STRAIGHT-LINE WIND GUSTS FOLLOWED BY VERY HEAVY RAIN. PERSONS IN THE WARNING AREA SHOULD BE ALERT FOR THREATENING WEATHER AND STAY IN A SAFE BUILDING UNTIL THIS STORM PASSES. IF THREATENING WEATHER APPROACHES..YOU SHOULD GO TO A SAFE PLACE IMMEDIATELY..AND YOU SHOULD ASK THE NEAREST LAW ENFORCEMENT AGENCY TO RELAY YOUR SEVERE WEATHER REPORTS TO THE LOCAL NATIONAL WEATHER SERVICE OFFICE.
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, Jul 19, 10:29 AM EDT, 1 hour 24 minutes before
SPECIAL WEATHER AND MARINE STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1028 PM EDT FRI JUL 17 1987 ...STRONG THUNDERSTORMS ALONG AND OFF SHORE SOUTHEAST CPAST... AT 1022 AM RADAR SHOWED STRONG THUNDERSTORMS OFF SHORE ST LUCIE.. MARTIN AND PALM-BEACH COUNTIES. HEAVIEST STORMS WERE 15 MILES EAST STUART AND 15 TO 20 MILES OFF SHORE BOYTON BEACH AND BOCA RATON. THESE STORMS WERE MOVING EAST TO NORTHEAST AT 15 MPH. STRONG GUSTY WINDS..HEAVY RAINS AND DANGEROUS LIGHTNING STRIKES WILL ACCOMPANY THESE STORMS. MARINE INTERESTS ALONG THE COAST SHOULD REMAIN ALERT AS HIGH SEAS AND STRONG GUSTY WINDS WILL ACCOMPANY THE THUNDERSTORMS WITH VISIBILITIES NEAR ZERO FOR THE NEXT 2 HOURS..SSO SEEK SAFE HARBOR. IF YOU SEE SEVERE WEATHING OCCURRING REPORT IT TO YOUR NEAREST LAW ENFORCEMENT AGENCY AT ONCE. STAY TUNED TO RADIO AND TV FOR LATEST UPDATES.
Special weather statement, Jul 19, 10:30 AM EDT, 1 hour 23 minutes before
SPECIAL WEATHER AND MARINE STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1028 PM EDT FRI JUL 17 1987 ...STRONG THUNDERSTORMS ALONG AND OFF SHORE SOUTHEAST COAST... AT 1022 AM RADAR SHOWED STRONG THUNDERSTORMS OFF SHORE ST LUCIE.. MARTIN AND PALM-BEACH COUNTIES. HEAVIEST STORMS WERE 15 MILES EAST STUART AND 15 TO 20 MILES OFF SHORE BOYTON BEACH AND BOCA RATON. THESE STORMS WERE MOVING EAST TO NORTHEAST AT 15 MPH. STRONG GUSTY WINDS..HEAVY RAINS AND DANGEROUS LIGHTNING STRIKES WILL ACCOMPANY THESE STORMS. MARINE INTERESTS ALONG THE COAST SHOULD REMAIN ALERT AS HIGH SEAS AND STRONG GUSTY WINDS WILL ACCOMPANY THE THUNDERSTORMS WITH VISIBILITIES NEAR ZERO FOR THE NEXT 2 HOURS..SOU SEEK SAFE HARBOR. IF YOU SEE SEVERE WEATHING OCCURRING REPORT IT TO YOUR NEAREST LAW ENFORCEMENT AGENCY AT ONCE. STAY TUNED TO RADIO AND TV FOR LATEST UPDATES.
Special weather statement, Jul 19, 10:35 AM EDT, 1 hour 18 minutes before
SPECIAL WEATHER AND MARINE STATEMENT...CORRECTION NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1028 PM EDT SUN JUL 19 1987 ...STRONG THUNDERSTORMS ALONG AND OFF SHORE SOUTHEAST COAST... AT 1022 AM RADAR SHOWED STRONG THUNDERSTORMS OFF SHORE ST LUCIE.. MARTIN AND PALM-BEACH COUNTIES. HEAVIEST STORMS WERE 15 MILES EAST STUART AND 15 TO 20 MILES OFF SHORE BOYTON BEACH AND BOCA RATON. THESE STORMS WERE MOVING EAST TO NORTHEAST AT 15 MPH. STRONG GUSTY WINDS..HEAVY RAINS AND DANGEROUS LIGHTNING STRIKES WILL ACCOMPANY THESE STORMS. MARINE INTERESTS ALONG THE COAST SHOULD REMAIN ALERT AS HIGH SEAS AND STRONG GUSTY WINDS WILL ACCOMPANY THE THUNDERSTORMS WITH VISIBILITIES NEAR ZERO FOR THE NEXWT 2 HOURS..SO SEEK SAFE HARBOR. IF YOU SEE SEVERE WEATHING OCCURRING REPORT IT TO YOUR NEAREST LAW ENFORCEMENT AGENCY AT ONCE. STAY TUNED TO RADIO AND TV FOR LATEST UPDATES.
Special weather statement, Jul 19, 11:47 AM EDT, 6 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 1140 AM EDT SUN JUL 19 1987 AT 1140AM...RADAR INDICATED LARGE AREAS OF RAIN WITH EMBEDDED VERY HEAVY THUNDERSTORMS OVER DADE AND BROWARD COUNTIES AND THE UPPER KEYS. THESE THUNDERSTORMS WHICH CONTINUE TO DEVELOP OVER THIS AREA MAY PRODUCE STRONG GUSTY WINDS...FREQUENT LIGHTNING STRIKES...REDUCED VISIBILITIES...VERY HEAVY RAIN DURING THE NEXT SEVERAL HOURS. THIS AREA EXTENDS TO THE COASTAL WATERS AND THE NORTHERN AND WESTERN BAHAMAS AND THE CAY SAL BANK. MOVEMENT OF THESE THUNDERSTORMS WAS WEST AT 10 TO 15 MILES AN HOUR. SCATTERED SHOWERS AND THUNDERSTORMS...SOME VERY HEAVY...WERE OVER THE REMAINING PORTIONS OF SOUTH FLORIDA SOUTH OF VERO BEACH AND LAKE OKEECHOBEE TO THE MIDDLE AND LOWER KEYS AND THE ADJACENT WATERS. LARGE AREAS OF RAIN CONTINUED OVER THE SOUTHEAST GULF WELL OFFSHORE THE SOUTHWEST COAST AND LOWER KEYS.
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.