Alert archive / Alabama / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 48, NWS Mobile, AL

July 23, 1986Dale County, Houston County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 23, 1986, 2:40 PM CDT for Dale County, Houston County, Alabama. It was in force for 60 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
Jul 23, 1986, 2:40 PM CDT (19:40 UTC)
Expired
Jul 23, 1986, 3:40 PM CDT
In force
60 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Dale County, AL, Houston 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
Jul 23, 3:00 PM CDTThunderstorm Wind 0Houston, 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

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 7.7 hours before the alert went out and 134 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, Eglin AFB/Valpar, FL at 12:00Z on 1986-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1739 joules per kilogram.LCLEL10008507005003002001001 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, Eglin AFB/Valpar, FL at 12:00Z on 1986-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -21 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
1739 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
792 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-21 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMGM 231939
SVRMGM
ALC069-045-232040-

BULLETIN...IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MONTGOMERY AL
240 PM CDT TUE JUL 23 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 3 40 PM CDT FOR DALE AND HOUSTON COUNTIES OF SOUTHEAST
ALABAMA.

AT 2 40 PM CDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR BETWEEN
FT. RUCKER AND DOTHAN MOVING VERY SLOWLY TOWARD THE SOUTH.

AT 2 24PM CDT gSTRONG WINDS TO OVER 60 MPH WERE REPORTED AT DOTHAN
AIRPORT WITH SOME HAIL ALSO REPORTED.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 23, 3:10 PM CDTSevere Thunderstorm WarningMOBPike50 min
Jul 23, 6:40 PM CDTSevere Thunderstorm WarningMOBMontgomery65 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.