Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 23, NWS Mobile, AL

April 8, 1986Perry County, Mississippi

NWS Mobile, AL issued this severe thunderstorm warning at Apr 8, 1986, 5:00 PM CST for Perry County, Mississippi. It was in force for 60 min.

The area

The counties it named.

The facts

Issued
Apr 8, 1986, 5:00 PM CST (23:00 UTC)
Expired
Apr 8, 1986, 6:00 PM CST
In force
60 min
Issued by
NWS Mobile, AL
Area
Whole counties

County Perry 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, 11.0 hours before the alert went out and 164 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 1986-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 1986-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 158 square meters per square second.19395878Sfc1 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
2 J/kg
Mixed-layer CIN
-423 J/kg
Mixed-layer LCL
1190 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
158 m²/s²
0-3 km storm-relative helicity
249 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 KMOB 082258
SVRMOB
MSC111-090000-

BULLETIN..IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
500 PM CST TUE APR 8 1986

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 600 PM CST FOR PEOPLE IN

SOUTHEAST MISSISSIPPI...PERRY

SHORTLY BEFORE 5 PM CST...WIND GUST OF 92 MPH WAS REPORTED IN A
SEVERE THUNDERSTORM NEAR LAUREL MISSISSIPPI. THIS THUNDERSTORM IS
MOVING SOUTHEAST AT NEARLY 55 MILES AN HOUR AND WILL ALSO PRODUCE
EXTREMELY LARGE HAIL.

PERSONS...DOWNSTREAM...PRIMARILY IN RICHTON MISSISSIPPI SHOULD TAKE
SHELTER IMMEDIATELY.

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, Apr 8, 4:41 PM CST, 19 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
435 PM CST TUE APR 8 1986

SEVERE THUNDERSTORM WATCH NBR 81 IS IN EFFECT UNTIL 830 PM CST FOR
ESCAMBIA..SANTA ROSA..AND OKALOOSA COUNTIES IN NORTHWEST FLORIDA.

AT 430 PM CST...A LARGE POTENTIALLY SEVERE THUNDERSTORM WAS LOCATED
ON THE MISSISSIPPI ALABAMA BORDER ABOUT 70 MILES NORTH OF MOBILE. THE
STORM WAS MOVING SOUTHEASTWARD 55 TO 60 MILES AN HOUR. THIS
THUNDERSTORM HAS PRODUCED HAIL EARLIER IN ITS HISTORY..WHILE IN
MISSISSIPPI.

NO OTHER PRECIPITATION WAS INDICATED BY RADAR NEAR NORTHWEST FLORIDA
HOWEVER..RESIDENTS IN THE WESTERN COUNTIES OF THE FLORIDA PANHANDLE
SHOULD BE ALERT FOR RAPIDLY CHANGING OR DETERIORATING WEATHER
CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 8, 4:20 PM CSTSevere Thunderstorm WarningMOBGreene70 min
Apr 8, 5:32 PM CSTSevere Thunderstorm WarningMOBGreene28 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.