Alert archive / Florida / Severe Thunderstorm Warnings in 1986
Severe Thunderstorm Warning 14, NWS Melbourne, FL
NWS Melbourne, FL issued this severe thunderstorm warning at May 19, 1986, 5:28 PM EDT for Flagler County, Florida. It was in force for 62 min.
The area
The counties it named.
The facts
- Issued
- May 19, 1986, 5:28 PM EDT (21:28 UTC)
- Expired
- May 19, 1986, 6:30 PM EDT
- In force
- 62 min
- Issued by
- NWS Melbourne, FL
- Area
- Whole counties
County Flagler 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, 9.5 hours before the alert went out and 121 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
- 425 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 705 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KDAB 192135 COR SVRDAB FLC035-192230- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE DAYTONA BEACH FL 528 PM EDT MON MAY 19 1986 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 630 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY OF EAST CENTRAL FLORIDA...FLAGLER ...THIS WARNING ALSO INCLUDES THE ADJACENT COASTAL WATERS FOR THE COUNTY JUST MENTIONED A SEVERE THUNDERSTORMS WAS INDICATED ON THE DAYTONA BEACH RADAR AT 525PM EDT JUST NORTHWEST OF BUNNELL IN FLAGLER COUNTY FLORIDA. THE SEVERE THUNDERSTORMS WAS MOVING NORTHEAST 15 MPH AND SHOULD REACH THE ATLANTIC COASTAL WATERS DURING THE NEXT HOUR NEAR OR TO THE NORTH OF FLAGLER BEACH. IF YOU ARE IN OR NEAR THE WARNED AREA GET TO A REINFORCED SHELTER AND PREPARE FOR STRONG DAMAGING WINDS..LARGE HAIL..VERY HEAVY RAIN.. AND DANGEROUS LIGHTNING. BOATERS SHOULD TAKE NECESSARY ACTION TO AVOID THE DANGEROUS THUNDERSTORMS.
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 19, 5:10 PM EDT, 18 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTONA BEACH FL 510 PM EDT MON MAY 19 1986 ...STRONG THUNDERSTORMS PUSHING INTO FLAGLER AND NORTHWEST VOLUSIA COUNTIES... AT 5PM EDT THE NATIONAL WEATHER SERVICE RADAR AT DAYTONA BEACH SHOWED AN AREA OF STRONG THUNDERSTORMS WITH HEAVY RAINFALL WAS MOVING ACROSS NORTHERN FLAGLER COUNTY FROM JUST WEST OF MARINELAND IN ST. JOHNS COUNTY TO NEAR BUNNELL TO THE NORTHWEST TIP OF VOLUSIA COUNTY NEAR BARBERVILLE. THE THUNDERSTORMS WERE MOVING NORTHEAST 15 MPH. SOME EASTWARD DEVELOPMENT IS LIKELY DURING THE REMAINDER OF THIS AFTERNOON AND EVENING. RESIDENTS OF FLAGLER AND VOLUSIA COUNTIES SHOULD BE ALERT FOR THIS STORMS WITH THEIR HEAVY RAINFALL..POSSIBLE STRONG GUSTY WINDS AND DANGEROUS LIGHTNING STRIKES.
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.