Alert archive / Alabama / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 65, NWS Mobile, AL

July 30, 1986Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 30, 1986, 5:01 PM CDT for Baldwin County, Alabama. It was in force for 29 min.

The area

The counties it named.

The facts

Issued
Jul 30, 1986, 5:01 PM CDT (22:01 UTC)
Expired
Jul 30, 1986, 5:30 PM CDT
In force
29 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, 10.0 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 1986-07-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 131 joules per kilogram.LCLLFCEL10008507005003002001001 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 1986-07-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -25 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
131 J/kg
Mixed-layer CIN
-180 J/kg
Mixed-layer LCL
1614 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-25 m²/s²
0-3 km storm-relative helicity
-71 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, Jul 30, 3:39 PM CDT, 1 hour 22 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
335 PM CDT WED JUL 30 1986

AT 330 PM CDT...THUNDERSTORMS..A FEW HEAVY..WERE SCATTERED OVER THE
FLORIDA PANHANDLE FROM FORT WALTON ALONG THE COAST TO AROUND APALACHI-
COLA.
THE THUNDERSTORMS WERE DEVELOPING AND MOVING SOUTH AT 10 MILES AN HOUR.

EXTREMELY HEAVY THUNDERSTORMS WERE IN WAYNE COUNTY MISSISSIPPI SOUTH-
WEST OF WAYNESBORO..AND IN SOUTH MARENGO COUNTY ALABAMA NEAR DIXONS
MILLS. THE THUNDERSTORMS WERE MOVING SOUTH AT 10 MILES AN HOUR.
OTHER THUNDERSTORMS..SOME VERY HEAVY..WERE SCATTERED OVER SOUTH ALABAMA
AND SOUTHEAST MISSISSIPPI.

THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF HEAVY R0AIN..FREQUENT
LIGHTNING..GUSTY WIND AROUND 45 MILES AN HOUR..AND POSSIBLE SMALL HAIL.
PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 30, 2:28 PM CDTSevere Thunderstorm WarningMOBMacon62 min
Jul 30, 3:10 PM CDTSevere Thunderstorm WarningMOBClarke55 min
Jul 30, 4:05 PM CDTSevere Thunderstorm WarningMOBClarke60 min
Jul 30, 4:10 PM CDTSevere Thunderstorm WarningMOBBarbour65 min
Jul 30, 4:40 PM CDTSevere Thunderstorm WarningMOBWashington50 min
Jul 30, 5:20 PM CDTSevere Thunderstorm WarningMOBMobile70 min
Jul 30, 6:40 PM CDTSevere Thunderstorm WarningMOBBaldwin, Mobile65 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; the sounding from the Mesonet's radiosonde archive.