Alert archive / Florida / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Melbourne, FL

February 6, 1986Brevard County, Florida

NWS Melbourne, FL issued this severe thunderstorm warning at Feb 6, 1986, 1:40 PM EST for Brevard County, Florida. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Feb 6, 1986, 1:40 PM EST (18:40 UTC)
Expired
Feb 6, 1986, 2:40 PM EST
In force
60 min
Issued by
NWS Melbourne, FL
Area
Whole counties

County Brevard 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 6.7 hours before the alert went out and 27 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.

Skew-T log-pSkew-T log-p diagram, Cape Canaveral, FL at 12:00Z on 1986-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cape Canaveral, FL at 12:00Z on 1986-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 19 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1401 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
19 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

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, Feb 6, 10:25 AM EST, 3 hours 15 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTONA BEACH FL
1025AM EST THU FEB 6 1986

THIS STATEMENT IS TO INFORM RESIDENTS OF MARION COUNTY THAT A LINE
OF HEAVY THUNDERSTORMS IS RAPIDLY APPROACHING THE WESTERN SIDE OF
THE COUNTY AND IS MOVING EAST AT 50 MPH.  AS THIS LINE MOVES THROUGH
THE COUNTY DURING THE NEXT HOUR SOME STRONG GUSTY WINDS AND BRIEFLY
HEAVY RAIN WILL OCCUR.

PRESENT MOVEMENT WILL TAKE THE LINE EASTWARD ACROSS THE STATE AND
WILL LIKELY REACH FLAGLER COUNTY AND EAST COAST COASTAL WATERS
AROUND NOON.

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 6, 12:28 PM ESTSevere Thunderstorm WarningMLBFlagler, Volusia62 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.