Alert archive / Florida / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 9, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at Mar 16, 1986, 8:41 AM EST for Marion County, Florida. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- Mar 16, 1986, 8:41 AM EST (13:41 UTC)
- Expired
- Mar 16, 1986, 9:30 AM EST
- In force
- 49 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Marion 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
Jacksonville, FL (KAYS), launched 12:00Z, 1.7 hours before the alert went out and 148 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
- 10 J/kg
- Mixed-layer CIN
- -402 J/kg
- Mixed-layer LCL
- 1564 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 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 16, 3:38 AM EST, 5 hours 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 330 AM EST SUN MAR 16 1986 A TORNADO WATCH IS IN EFFECT UNTIL 800AM FOR MARION..FLAGLER.. VOLUSIA..BREVARD AND INDIAN RIVER COUNTIES AND THE ADJACENT COASTAL WATERS. NO SEVERE WEATHER HAS BEEN REPORTED DURING THE LAST HOUR..HOWEVER RAIN AND A FEW EMBEDDED SHOWERS COVERED MOST OF THE PENINSULA FROM CRYSTAL RIVER AND DAYTONA BEACH SOUTH TO VERO BEACH AND SARAySOTA. SHOWER MOVEMENT WAS EAST AT 25 TO 30 MPH.
Special weather statement, Mar 16, 4:30 AM EST, 4 hours 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 430 AM EST SUN MAR 16 1986 A TORNADO WATCH IS IN EFFECT UNTIL 800AM FOR MARION..FLAGLER.. VOLUSIA..BREVARD AND INDIAN RIVER COUNTIES AND THE ADJACENT COASTAL WATERS. NO SEVERE WEATHER HAS BEEN REPORTED DURING THE LAST HOUR..HOWEVER A COUPLE OF HEAVY SHOWERS WERE JUST WEST OF KISSIMMEE AND NORTH OF LAKELAND. A RATHER LARGE AREA OF PRECIPITATION WAS COVERING MOST OF THE FLORIDA PENINSULA FROM CRYSTAL RIVER AND DAYTONA BEACH SOUTH TO LAKE OKEECHOBEE. SHOWER MOVEMENT WAS EAST AT 35 MPH.
Special weather statement, Mar 16, 4:55 AM EST, 3 hours 46 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ORLANDO FL 445 AM EST SUN MAR 16 1986 A TORNADO WATCH REMAINS IN EFFECT FOR ALL OF CENTRAL FLORIDA UNTIL 800 AM THIS SUNDAY MORNING. NO SEVERE WEATHER HAS BEEN REPORTED TO THIS OFFICE BUT A LARGE AREA OF RAIN WITH EMBEDDED THUNDERSTORMS EXTENDS FROM DAYTONA BEACH TO CRYSTAL RIVER SOUTH INTO THE EVERGLADES. THE THUNDERSTORMS ARE MOVING TO THE EAST AT 35 MILES AN HOUR. REMEMBER..A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE ALERT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 16, 5:30 AM EST, 3 hours 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 530 AM EST SUN MAR 16 1986 A TORNADO WATCH IS IN EFFECT UNTIL 800AM FOR MARION..FLAGLER.. VOLUSIA..BREVARD AND INDIAN RIVER COUNTIES AND THE ADJACENT COASTAL WATERS. NO SEVERE WEATHER HAS BEEN REPORTED DURING THE LAST HOUR. THE HEAVIEST SHOWERS WERE IN THE GULF JUST SOUTHWEST OF BAYPORT. THE AREA OF RAIN APPEARED TO BE DECREASING SOMEWHAT IN SIZE AND NOW COVERED ABOUT ONE HALF OF THE FLORIDA PENINSULA FROM BAYPORT AND SANFORD SOUTH TO VENICE AND MELBOURNE. SHOWER MOVEMENT WAS EAST AT 40 MPH.
Special weather statement, Mar 16, 6:46 AM EST, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 645 AM EST SUN MAR 16 1986 A TORNADO WATCH IS IN EFFECT UNTIL 800 AM FOR MARION..FLAGLER.. VOLUSIA..BREVARD AND INDIAN RIVER COUNTIES AND THE ADJACENT COASTAL WATERS. THUNDERSTORMS WERE OVER WEST CENTRAL FLORDIA IN THE TAMPA BAY AREA EXTENDING INLAND TO LAKELAND. THUNDERSTORMS HAD DEVELOPED OVER NORTH FLORIDA ABOUT 25 MILES NORTH OF CROSS CITY. RAIN WAS ALONG THE EAST COAST AND OUT OVER THE COASTAL WATERS FROM CAPE CANAVERAL SOUTH TO VERO BEACH STRETCHING INLAND TO THE ORLANDO AREA. MOVEMENT WAS RAPIDLY EAST AT 45 MPH.
Special weather statement, Mar 16, 7:45 AM EST, 56 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DAYTONA BEACH FL 745 AM EST SUN MAR 16 1986 A TORNADO WATCH IS IN EFFECT UNTIL 800 AM FOR MARION..FLAGLER.. VOLUSIA..BREVARD AND INDIAN RIVER COUNTIES AND THE ADJACENT COASTAL WATERS. STRONG THUNDERSTORMS WERE ALONG THE GULF COAST AND OUT OVER THE COASTAL WATERS FROM THE TAMPA BAY AREA NORTH TO BAYPORT. THUNDERSTORMS WERE OVER THE INTERIOR OF NORTH FLORIDA BETWEEN LAKE CITY AND JACKSONVILLE AND OVER CENTRAL FLORIDA BETWEEN LAKELAND AND ORLANDO. RAIN WAS ALONG THE EAST COAST AND OUT OVER THE COASTAL WATERS FROM BETWEEN DAYTONA BEACH AND MELBOURNE AND FARTHER SOUTH FROM VERO BEACH TO FORT PIERCE. MOVEMENT WAS RAPIDLY EAST AT 45 MPH.
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 9:01 AM EST | Severe Thunderstorm Warning | MLB | Marion | 29 min |
| Mar 16, 9:04 AM EST | Severe Thunderstorm Warning | MLB | Flagler, Volusia | 66 min |
| Mar 16, 1:15 PM EST | Severe Thunderstorm Warning | MLB | Volusia | 45 min |
| Mar 16, 1:23 PM EST | Severe Thunderstorm Warning | MLB | Flagler, Volusia | 67 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.