Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 2, NWS Mobile, AL

February 10, 1986George County, Perry County, Stone County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Feb 10, 1986, 11:35 AM CST for George County, Perry County, Stone County, Mississippi. It was in force for 40 min.

The area

The counties it named.

The facts

Issued
Feb 10, 1986, 11:35 AM CST (17:35 UTC)
Expired
Feb 10, 1986, 12:15 PM CST
In force
40 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties George 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

Boothville, LA (KBVE), launched 12:00Z, 5.6 hours before the alert went out and 185 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 1986-02-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 688 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, Boothville, LA at 12:00Z on 1986-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 124 square meters per square second.1939587897Sfc1 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
688 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
124 m²/s²
0-3 km storm-relative helicity
184 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 101736
SVRMOB
MSC039-111-131-101815-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1135 AM CST MON FEB 10 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 1215 PM CST FOR STONE..SOUTHERN PERRY AND
NORTHERN GEORGE COUNTIES OF SOUTHEAST MISSISSIPPI.

AT 1130 AM CST RADAR INDICATED A SEVERE THUNDERSTORM JUST SOUTHWEST OF
WIGGINS MISSISSIPPI MOVING NOR=THEAST AT 40 MPH.

RADAR ALSO INDICATES THAT THIS STORM MAY BE PRODUCING LARGE HAIL.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 10:55 AM CSTSevere Thunderstorm WarningMOBForrest, Perry35 min
Feb 10, 11:15 AM CSTTornado WarningMOBGreene, Perry45 min
Feb 10, 4:05 PM CSTSevere Thunderstorm WarningMOBHarrison, Jackson55 min
Feb 10, 5:05 PM CSTTornado WarningMOBJackson25 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.