Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 76, NWS Mobile, AL

August 2, 1986Forrest County, Perry County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Aug 2, 1986, 12:58 PM CDT for Forrest County, Perry County, Stone County, Mississippi. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Aug 2, 1986, 12:58 PM CDT (17:58 UTC)
Expired
Aug 2, 1986, 2:00 PM CDT
In force
62 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Forrest County, MS, Perry County, MS, Stone County, MS

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

Jackson, MS (KJAN), launched 12:00Z, 6.0 hours before the alert went out and 168 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, Jackson, MS at 12:00Z on 1986-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1468 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, Jackson, MS at 12:00Z on 1986-08-02The 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
1468 J/kg
Mixed-layer CIN
-135 J/kg
Mixed-layer LCL
1248 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
61 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, Aug 2, 12:52 PM CDT, 6 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
1234 PM CDT SAT AUG 2 1986

..A SEVERE THUNDERSTORM WATCH NUMBER 452 IS IN EFFECT UNTIL 700 PM CDT
FOR ESCAMBIA..SANTA ROSA..OKALOOSA COUNTIES IN FLORIDA..AND FOR THE
ADJOINING COASTAL WATERS.

AT 1230 PM CDT...A VERY HEAVY THUNDERSTORM WAS CENTERED 15 MILES WEST
OF THE PENSACOLA NAVAL AIR STATION..AND A HEAVY THUNDERSTORM WAS 10
MILES NORTHEAST OF APALACHICOLA.
VERY HEAVY THUNDERSTORMS WERE SCATTERED OVER SOUTHEAST MISSISSIPPI AND
WERE MOVING INTO CHOCTAW COUNTY ALABAMA.
THE HEAVIEST THUNDERSTORMS WERE NEAR LAUREL AND NEAR HATTIESBURG IN
MISSISSIPPI.
THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 30 MILES AN HOUR.

THE HEAVIER THUNDERSTORMS WILL PRODUCE PERIODS OF HEAVY RAIN..FREQUENT
LIGHTNING STRIKES..STRONG GUSTY WIND..AND POSSIBLE HAIL.
PERSONS SHOULD WATCH FOR THREATENING WEATHER CONDITIONS AND BE PREPARED
TO TAKE ANY NECESSARY PRECAUTIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 1:30 PM CDTSevere Thunderstorm WarningMOBGeorge, Greene60 min
Aug 2, 2:23 PM CDTSevere Thunderstorm WarningMOBHarrison, Jackson67 min
Aug 2, 3:30 PM CDTSevere Thunderstorm WarningMOBJackson60 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 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.