Alert archive / Alabama / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 61, NWS Mobile, AL

August 31, 1987Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Aug 31, 1987, 2:10 PM CDT for Baldwin County, Alabama. It was in force for 50 min.

The area

The counties it named.

The facts

Issued
Aug 31, 1987, 2:10 PM CDT (19:10 UTC)
Expired
Aug 31, 1987, 3:00 PM CDT
In force
50 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.

The nearest sounding before it

Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 7.2 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.

Skew-T log-pSkew-T log-p diagram, Eglin AFB/Valpar, FL at 12:00Z on 1987-08-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2881 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 1987-08-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
2881 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMOB 311912
SVRMOB
ALC003-312000-

BULLETIN..IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
210 PM CDT MON AUG 31 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 300 PM CDT FOR THE FOLLOWING COUNTY IN ALABAMA...

...BALDWIN...SOUTH OF INTERSTATE 10...

AT 205 PM A CLUSTER OF SEVERE THUNDERSTORMS HAD FORMED RAPIDLY OVER
EXTREME SOUTH BALDWIN COUNTY ALABAMA.  THEY WERE DRIFTING EAST SLOWLY.

HAIL IS INDICATED BY RADAR IN THIS THUNDERSTORM AND A FUNNEL CLOUD
WAS REPORTED BY SEVERAL AUTHORITIES BETWEEN FOLEY AND GULF SHORES
DURING THE PAST 10 MINUTES.

THESE THUNDERSTORMS WILL PRODUCE DAMAGING WINDS...DANGEROUS LIGHTNING
...HAIL AND VERY HEAVY RAINFALL.

Nearby

Severe Thunderstorm Warnings in Alabama, 1987Every severe thunderstorm warning in 1987

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.