Alert archive / Florida / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 4, NWS Miami, FL
NWS Miami, FL issued this severe thunderstorm warning at Mar 14, 1986, 12:36 PM EST for Glades County, Hendry County, Florida. It was in force for 69 min.
The area
The counties it named.
The facts
- Issued
- Mar 14, 1986, 12:36 PM EST (17:36 UTC)
- Expired
- Mar 14, 1986, 1:45 PM EST
- In force
- 69 min
- Issued by
- NWS Miami, FL
- Area
- Whole counties
Counties Glades County, FL, Hendry 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
Tampa Bay, FL (KTBW), launched 12:00Z, 5.6 hours before the alert went out and 161 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
- 1405 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 637 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 242 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 10.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMIA 141736 SVRMIA FLC043-051-141845- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIAMI FL 1236 PM EST FRI MAR 14 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 145 PM EST FOR PEOPLE IN THE FOLLOWING COUNTIES OF FLORIDA...GLADES AND NORTHWEST HENDRY RADAR INDICATED A LARGE POSSIBLY SEVERE THUNDERSTORM WAS 15 MILES WEST OF LA BELLE AT 1230 PM. THIS THUNDERSTORMS IS MOVING EAST AT 30 TO 35 MPH. THIS STORM IS ACCOMPANIED BY FREQUENT AND INTENSE LIGHTNING AND STRONG GUSTY WIND. 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, Mar 14, 9:48 AM EST, 2 hours 48 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 945 AM EST FRI MAR 14 1986 ...TORNADO WATCH NUMBER 36 IS IN EFFECT UNTIL 3PM FOR THE SOUTH FLORIDA COUNTIES OF DADE...BROWARD...MONROE...COLLIER...HENDRY... AND GLADES... NO SEVERE WEATHER HAS BEEN REPORTED AT THIS TIME. AT 935 AM EST RADAR SHOWED A LARGE AREA OF THUNDERSTORMS STRETCHING ACROSS THE FLORIDA PENINSULA FROM THE TAMPA BAY AREA TO MELBOURNE. OVER SOUTH FLORIDA...NUMEROUS SHOWERS AND A FEW VERY HEAVY THUNDER STORMS HAD BEGUN TO FORM FROM MIAMI EXTENDING NORTH ALONG THE EAST COAST TO PALM BEACH COUNTY. HEAVIEST RAINFALL WAS FROM THUNDERSTORMS ALONG THE COAST FROM BROWARD TO PALM BEACH COUNTY.
Special weather statement, Mar 14, 10:10 AM EST, 2 hours 26 minutes before
^MIASVSPBI SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1010 AM EST FRI MAR 14 1986 A TORNADO WATCH IS IN EFFECT UNTIL 3PM EST FOR MUCH OF THE CENTRAL AND SOUTHERN FLORIDA PENINSULA AND THE ADJACENT COASTAL WATERS WHICH INCLUDES THE FOLLOWING COUNTIES..PALM BEACH..MARTIN ..ST LUCIE AND OKEECHOBEE COUNTIES.. REMEMBER A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. AT 1010 AM EST THE WEST PALM BEACH RADAR WAS INDICATING A LINE OF SOLID VERY HEAVY THUNDERSTORMS EXTENDING FROM MELBOURNE SOUTHWESTWARD TO VENICE. MOVEMENT WAS TOWARD THE SOUTHEAST AT 25 MPH. RESIDENTS IN THE ABOVE MENTIONED COU|NTIES SHOULD STAY TUNED TO THE LATEST LOCAL STATEMENTS AND NOAA WEATHER RADIO. FURTHER STATEMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRANT. WCF
Special weather statement, Mar 14, 10:40 AM EST, 1 hour 56 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE MIAMI FL 1040 AM EST FRI MAR 14 1986 ...TORNADO WATCH NUMBER 36 IS IN EFFECT UNTIL 3PM FOR THE SOUTH FLORIDA COUNTIES OF DADE...BROWARD...MONROE...COLLIER...HENDRY... AND GLADES... NO SEVERE WEATHER HAS BEEN REPORTED IN THOSE COUNTIES AS OF THIS TIME. AT 1035 AM EST RADAR SHOWED A LARGE AREA OF THUNDERSTORMS STRETCHING ACROSS THE FLORIDA PENINSULA FROM NEAR VENICE TO MELBOURNE...MOVING RAPIDLY SOUTHEAST. OUT AHEAD OF THOSE THUNDERSTORMS WAS A NARROW LINE OF VERY HEAVY THUNDERSTORMS EXTENDING FROM NEAR FORT LAUDERDALE NORTH ALONG THE EAST COAST OF BROWARD AND PALM BEACH COUNTIES...MOVING NORTHEAST NEAR 20 MILES AN HObUR. SCATTERED HEAVY THUNDERSTORMS WERE OVER WESTERN DDE COUNTY.
Special weather statement, Mar 14, 11:30 AM EST, 1 hour 6 minutes before
^MIASPSPBI SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WEST PALM BEACH FL 1130 AM EST FRI MAR 14 1986 A TORNADO WATCH IS IN EFFECT UNTIL 3PM EST FOR MUCH OF THE CENTRAL AND SOUTHERN FLORIDA PENINSULA AND THE ADJACENT COASTAL WATERS WHICH INCLUDES THE FOLLOWING COUNTIES..PALM BEACH..MARTIN ..ST LUCIE AND OKEECHOBEE COUNTIES.. REMEMBER A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. AT 1125 AM EST THE WEST PALM BEACH RADAR WAS INDICATING A LINE OF SOLID VERY HEAVY THUNDERSTORMS EXTENDING FROM 10 MILES SOUTH OF MELBOURNE SOUTHWESTWARD TO PUNTA GORDA. THE LINE NOW COVERS NORTHWEST OKEECHOBBE COUNTY. PERSONS CAN EXPECT VERY HEAVY RAIN GUSTY WINDS AND DANGEROUS LIGHTNING AS THIS LINE MOVES ACROSS THE AREA. MOVEMENT WAS TOWARD THE SOUTHEAST AT 35 MPH. RESIDENTS IN THE ABOVE MENTIONED COUNTIES SHOULD STAY TUNED TO THE LATEST LOCAL STATEMENTS AND NOAA WEATHER RADIO. FURTHER STATEMENTS OR WARNINGS WILL BE ISSUED AS CONDITIONS WARRANT. WCF
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 2:51 PM EST | Tornado Warning | MFL | Broward | 69 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.