Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 12, NWS Jackson, MS

March 12, 1986Franklin County, Jefferson County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 12, 1986, 8:09 AM CST for Franklin County, Jefferson County, Mississippi. It was in force for 36 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Mar 12, 1986, 8:09 AM CST (14:09 UTC)
Expired
Mar 12, 1986, 8:45 AM CST
In force
36 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Franklin County, MS, Jefferson County, MS

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

TimeReportWhereRemark
Mar 12, 8:15 AM CSTHail 0.75Franklin, MS
Mar 12, 8:40 AM CSTHail 0.75Jefferson, MS

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 2.2 hours before the alert went out and 115 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 1986-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1344 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 1986-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 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
1344 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
647 m above ground
0-6 km bulk shear
62 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
-0.2
Supercell composite
-0.5

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, Mar 12, 2:31 AM CST, 5 hours 38 minutes before
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Special weather statement, Mar 12, 4:02 AM CST, 4 hours 7 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
400 AM CST WED MAR 12 1986

TORNADO WATCH NUMBER 24 REMAINS IN EFFECT AND INCLUDES NESHOBA AND
WINSTON COUNTIES OF CENTRAL MISSISSIPPI.

AT 355 AM CST A LINE OF THUNDERSTORMS EXTENDED FROM NEAR TUPELO
MISSISSIPPI TO 20 MILES SOUTHEAST OF YAZOO CITY MISSISSIPPI. THIS
LINE IS MOVING SOUTHEAST AT 30 MILES AN HOUR.

PERSONS IN OR NEAR THE WATCH AREA SHOULD MONITOR NOAA WEATHER RADIO..
COMMERICAL RADIO OR TELEVISION FOR FURTHER STATEMENTS.
Special weather statement, Mar 12, 4:38 AM CST, 3 hours 31 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
435 AM CST WED MAR 12 1986

TORNADO WATCH NUMBER 24 THAT INCLUDED NESHOBA AND WINSTON COUNTIES
IN CENTRAL MISSISSIPPI HAS BEEN CANCELLED.
Local storm report, Mar 12, 5:03 AM CST, 3 hours 6 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
 500 AM CST WED MAR 12 1986

 TIME

230 AM       MISSISSIPPI EMERGENCY MANAGEMENT REPORTED ROOF DAMAGE
             TO SOME HOMES, A CHURCH STEEPLE BLOWN OFF, AND MOBILE
             CLASSROOMS DESTROYED AT CHARLESTON IN TALLAHATCHIE COUNTY.
             TREES WERE REPORTED DOWN, AND POWER WAS OUT IN SOME PARTS
             OF THE TOWN.

             IN DESTO COUNTY, MOBILE HOMES WERE REPORTED DAMAGED NEAR
             HERNANDO. <<
Special weather statement, Mar 12, 5:19 AM CST, 2 hours 50 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
520 AM CST WED MAR 12 1986

TORNADO WATCH NUMBER 25 REMAINS IN EFFECT UNTIL 10 AM THIS WEDNESDAY
MORNING FOR PART OF NORTHEAST MISSISSIPPI.

THE LINE OF THUNDERSTORMS MOVING THROUGH CENTRAL MISSISSIPPI
CONTINUES TO RAPIDLY DECREASE IN INTENSITY. MOST OF THE THUNDERSTORMS
IN THE LINE HAVE NOW DISSIPATED. THE LINE WAS LOCATED FROM
EDINBURG TO PELAHATCHIE TO BUDE. IT WAS MOVING SOUTHEAST AT 35 MPH.

MEANWHILE, STRONG THUNDERSTORMS WERE BUILDING RAPIDLY IN NORTHEAST
LOUISIANA SOUTH OF MONROE. THE THUNDERSTORMS ARE EXPECTED TO MOVE INTO
WESTERN MISSISSIPPI IN THE NEXT COUPLE OF HOURS.
Special weather statement, Mar 12, 6:59 AM CST, 1 hour 10 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
700 AM CST WED MAR 12 1986

...THUNDERSTORMS CONTINUE TO INTENSIFY ALONG THE MISSISSIPPI RIVER...

STRONG THUNDERSTORMS WERE CONTINUING TO LINE UP ON THE MISSISSIPPI
RIVER. THE STRONGEST STORMS WERE ALONG THE RIVER SOUTH OF VICKBURG,
AND WILL BE MOVING INTO ADAMS, JEFFERSON, CLAIBORN, AND SOUTHERN
WARREN COUNTIES IN THE NEXT HOUR.

PERSONS NEAR THE MISSISSIPPI RIVER SOUTH OF VICKSBURG OCAN EXPECT
STRONG GUSTY WINDS AND BRIEF HEAVY RAINS AS THESE THUNDERSTORMS
MOVE NORTHEAST AT 55 MPH THROUGH THE AREA.

STAY TUNED TO NOAA WEATHER RADIO AND LOCAL TELEVISION OR RADIO
STATIONS FOR FURTHER UPDATES AND POSSIBLE WARNINGS.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 12, 7:52 AM CSTSevere Thunderstorm WarningJANClaiborne, Warren38 min
Mar 12, 9:02 AM CSTSevere Thunderstorm WarningJANAmite, Lincoln58 min
Mar 12, 9:02 AM CSTSevere Thunderstorm WarningJANCopiah, Hinds58 min
Mar 12, 9:38 AM CSTSevere Thunderstorm WarningJANPike52 min
Mar 12, 9:54 AM CSTSevere Thunderstorm WarningJANLawrence66 min
Mar 12, 9:54 AM CSTSevere Thunderstorm WarningJANHinds, Madison, Rankin38 min
Mar 12, 10:50 AM CSTSevere Thunderstorm WarningJANLawrence, Walthall55 min
Mar 12, 12:12 PM CSTSevere Thunderstorm WarningJANJasper48 min
Mar 12, 12:24 PM CSTTornado WarningJANJasper86 min
Mar 12, 12:39 PM CSTTornado WarningJANClarke, Lauderdale51 min
Mar 12, 1:18 PM CSTTornado WarningJANKemper42 min
Mar 12, 1:32 PM CSTTornado WarningJANLauderdale28 min
Mar 12, 1:51 PM CSTTornado WarningJANNeshoba34 min
Mar 12, 2:59 PM CSTSevere Thunderstorm WarningJANKemper, Noxubee61 min
Mar 12, 2:59 PM CSTSevere Thunderstorm WarningJANJasper, Lauderdale, Newton61 min
Mar 12, 5:07 PM CSTTornado WarningJANJones, Wayne68 min
Mar 12, 1:51 PM CSTTornado WarningJANSumter34 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.