Alert archive / Florida / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 16, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at May 22, 1986, 1:01 PM EDT for Broward County, Miami-Dade County, Florida. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- May 22, 1986, 1:01 PM EDT (17:01 UTC)
- Expired
- May 22, 1986, 2:00 PM EDT
- In force
- 59 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Broward County, FL, 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, 5.0 hours before the alert went out and 193 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
- 1507 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 700 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 49 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 221701 SVRMIA FLC011-025-221800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 101 PM EDT THU MAY 22 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST FLORIDA...SOUTHERN BROWARD AND NORTHERN DADE REPLACE THIS AREA WITH YOUR OPTIONAL FREE TEXT FORMAT STATEMENT AN AREA OF THUNDERSTORMS SOME SEVERE ARE NOW DEVELOPING OVER PARTS OF NORTH DADE COUNTY AND SOUTH BROWARD COUNTY. ALSO THE PUBLIC HAS REPORTED A QUARTER OF AN INCH SIZE HAIL STONES IN THE MIRAMAR AREA . THIS AREA OF THUNDERSTORMS IS MOVING TOWARDS THE NORTHEAST 15 TO 20 MPH. RESIDENTS IN THE EFFECTED AREA SHOULD BE ALERT FOR GUSTY W INDS..LOCALLY HEAVY RAIN..AND POSSIBLE HAIL DURING THE NEXT HOUR. 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.
1 follow-up statement
000 TTAA00 KMIA 221704 COR SVRMIA FLC011-025-221800- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING..CORRECTION NATIONAL WEATHER SERVICE MIAMI FL 101 PM EDT THU MAY 22 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 200 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTIES OF SOUTHEAST FLORIDA...SOUTHERN BROWARD AND NORTHERN DADE AN AREA OF THUNDERSTORMS SOME SEVERE ARE NOW DEVELOPING OVER PARTS OF NORTH DADE COUNTY AND SOUTH BROWARD COUNTY. ALSO THE PUBLIC HAS REPORTED A QUARTER OF AN INCH SIZE HAIL STONES IN THE MIRAMAR AREA . THIS AREA OF THUNDERSTORMS IS MOVING TOWARDS THE NORTHEAST 15 TO 20 MPH. RESIDENTS IN THE EFFECTED AREA SHOULD BE ALERT FOR GUSTY WINDS..LOCALLY HEAVY RAIN..AND POSSIBLE HAIL DURING THE NEXT HOUR. 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 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, May 22, 12:46 PM EDT, 15 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 1243 PM EDT THU MAY 22 1986 NUMEROUS VERY HEAVY THUNDERSTORMS WERE OVER DADE AND BROWARD COUNTIES AND THE ADJACENT COASTAL WATERS. THUNDERSTORMS WERE MOST HEAVILY CONCENTRATED OVER NORTHWEST DADE AND THE SOUTHERN HALF OF BROWARD COUNTY. SOME OF THE HEAVIER THUNDERSTORMS MAY PRODUCE GUSTY WINDS AND SMALL HAIL..AS WELL AS REDUCED VISIBILITY IN HEAVY RAIN. MOVEMENT WAS NORTHEAST NEAR 20 MILES AN HOUR. ELSEWHERE..A CLUSTER OF VERY HEAVY THUNDERSTORMS WAS OVER AND NORTH OF THE LOWER FLORIDA KEYS. NUMEROUS VERY HEAVY THUNDERSTORMS EXTENDED FROM NEAR BIMINI TO GRAND BAHAMA ISLAND.
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:11 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 109 min |
| May 22, 1:40 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 65 min |
| May 22, 3:21 PM EDT | Severe Thunderstorm Warning | MFL | Broward | 69 min |
| May 22, 4:35 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Hendry | 85 min |
Nearby
Severe Thunderstorm Warnings in Florida, 1986Every severe thunderstorm warning in 1986
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.