Alert archive / Alabama / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 39, NWS Mobile, AL

June 21, 1986Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 21, 1986, 4:20 PM CDT for Baldwin County, Alabama. It was in force for 55 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 21, 1986, 4:20 PM CDT (21:20 UTC)
Expired
Jun 21, 1986, 5:15 PM CDT
In force
55 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Baldwin County, AL

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Jun 21, 5:20 PM CDTThunderstorm Wind 0Baldwin, AL

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Boothville, LA (KBVE), launched 12:00Z, 9.3 hours before the alert went out and 217 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, Boothville, LA at 12:00Z on 1986-06-21Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boothville, LA at 12:00Z on 1986-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 square meters per square second.1939Sfc1 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
NaN m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
37 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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, Jun 21, 3:42 PM CDT, 38 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
335 PM CDT SAT JUN 21 1986

INTENSELY-HEAVY THUNDERSTORMS HAVE DEVELOPED IN THE PAST HOUR ALONG
THE IMMEDIATE COASTAL SECTIONS OF THE FLORIDA PANHANDLE BETWEEN
PENSACOLA AND NAVARRE AND ALSO MOST OF BAY AND GULF COUNTIES,
ESPECIALLY BETWEEN PANAMA CITY AND PORT ST JOE.

THESE HEAVY STORMS WILL PRODUCE VERY FREQUENT LIGHTNING STRIKES AND
VERY HEAVY DOWNPOURS. SOME HAIL MAY FALL FROM THESE STORMS. PERSONS
IN THE RECREATIONAL AREAS OF PENSACOLA AND PANAMA CITY ARE ADVISED
TO PROTECT THEMSELVES FROM THE EVER-PRESENT THREAT OF A LIGHTNING
STRIKE.

ELSEWHERE, WIDELY SCATTERED THUNDERSTORMS WERE OVER SOUTHEAST
MISSISSIPPI, SOUTHWEST ALABAMA, AND THE NORTH CENTRAL FLORIDA
PANHANDLE.

LITTLE MOVEMENT HAS BEEN DETECTED.

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 6:20 PM CDTSevere Thunderstorm WarningMOBMobile60 min

Nearby

Severe Thunderstorm Warnings in Alabama, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.