Alert archive / Mississippi / Severe Thunderstorm Warnings in 1986

Severe Thunderstorm Warning 20, NWS Jackson, MS

March 12, 1986Kemper County, Noxubee County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 12, 1986, 2:59 PM CST for Kemper County, Noxubee County, Mississippi. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Mar 12, 1986, 2:59 PM CST (20:59 UTC)
Expired
Mar 12, 1986, 4:00 PM CST
In force
61 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Kemper County, MS, Noxubee 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

Centreville/Bibb, AL (KCKL), launched 12:00Z, 9.0 hours before the alert went out and 131 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, Centreville/Bibb, AL at 12:00Z on 1986-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 941 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, Centreville/Bibb, AL at 12:00Z on 1986-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 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
941 J/kg
Mixed-layer CIN
-117 J/kg
Mixed-layer LCL
562 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.3

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, 12:43 PM CST, 2 hours 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
1239 AM CST WED MAR 12 1986

  ...TORNADO WATCH IN EFFECT FOR NORTHEAST MISSISSIPPI UNTIL 2 PM CST
THIS
     AFTERNOON...

AT 1228 AM CST...TUPELO NATIONAL WEATHER SERVICE RADAR WAS INDICATING
A RATHER LARGE AREA OF WIDESPREAD LIGHT RAIN WITH EMBEDDED RAINSHOWERS
OVER PARTS OF EXTREME SOUTHWEST TENNESSEE AND EXTREME NORTHEAST
ARKANSAS AND MUCH OF MISSISSIPPI EXCEPT FOR THE EXTREME NORTHEAST
SECTION OF THE STATE.

HEAVIEST CONCENTRATIONS OF RAIN WAS LOCATED FROM NORTHERN ALCORN
COUNTY EXTENDING TO THE SOUTHWEST TO ENID RESEVOIR THEN EXTENDING
FURTHER SOUTH TSOUTHERN MONTGOMERY COUNTY IN NORTH CENTRAL
MISSISSIPPI.

MOVEMENT OF 1THE RAIN WAS TO THE EAST AT 15 MILES AN HOUR WITH THE
RAINSHOWERS MOVING TO THE NORTHEAST AT 50 MILES AN HOUR.
Special weather statement, Mar 12, 12:44 PM CST, 2 hours 15 minutes before
SPECIAL WEATHER STATEMENT...CORRECTION
NATIONAL WEATHER SERVICE TUPELO MS
1239 PM CST WED MAR 12 1986

  ...TORNADO WATCH IN EFFECT FOR NORTHEAST MISSISSIPPI UNTIL 2 PM CST
     THIS AFTERNOON...

AT 1228 AM CST...TUPELO NATIONAL WEATHER SERVICE RADAR WAS INDICATING
A RATHER LARGE AREA OF WIDESPREAD LIGHT RAIN WITH EMBEDDED RAINSHOWERS
OVER PARTS OF EXTREME SOUTHWEST TENNESSEE AND EXTREME NORTHEAST
ARKANSAS AND MUCH OF MISSISSIPPI EXCEPT FOR THE EXTREME NORTHEAST
SECTION OF THE STATE.

HEAVIEST CONCENTRATIONS OF RAIN WAS LOCATED FROM NORTHERN ALCORN
COUNTY EXTENDING TO THE SOUTHWEST TO ENID RESEVOIR THEN EXTENDING
FURTHER SOUTH TSOUTHERN MONTGOMERY COUNTY IN NORTH CENTRAL
MISSISSIPPI.3

MOVEMENT OF THE RAIN WAS TO THE EAST AT 15 MILES AN HOUR WITH THE
RAINSHOWERS MOVING TO THE NORTHEAST AT 50 MILES AN HOUR.
Special weather statement, Mar 12, 1:42 PM CST, 1 hour 17 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
135 PM CST WED MAR 12 1986

  ...TORNADO WATCH IN EFFECT FOR NORTHEAST MISSISSIPPI UNTIL 2 PM CST
     THIS AFTERNOON...

AT 128 PM CST...TUPELO NATIONAL WEATHER SERVICE RADAR WAS INDICATING A
RATHER LARGE AREA OF WIDESPREAD LIGHT RAIN WITH EMBEDDED RAINSHOWERS
OVER PARTS OF EXTREME SOUTHWEST TENNESSEE AND EXTREME NORTHWEST
ALABAMA AND MUCH OF MISSISSIPPI.

A VERY INTENSE THUNDERSTORM WAS LOCATED OVER MERIDIAN MISSISSIPPI WITH
VISUAL SIGHTINGS OF A TORNADO MOVING TO THE EAST NORTHEAST AT 50 MILES
AN HOUR. OTHER LESS SIGNIFICANT THUNDERSHOWERS WERE OCCURRING IN THE
TUPELO MISSISSIPPI VICINITY THIS HOUR.

THE RAIN WAS MOVING TO hTHE EAST AT 10 MILES PER HOUR WITH THE
THUNDERSHOWER ACTIVITY MOVING TO THE NORTHEAST AT 45 MILES PER HOUR.
Special weather statement, Mar 12, 1:47 PM CST, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
135 PM CST WED MAR 12 1986

...TORNADO WATCH REMAINS IN EFFECT FOR EAST MISSISSIPPI TILL 2 PM
AND NORTHEAST MISSISSIPPI TIL 9PM...

SEVERE THUNDERSTORMS CONTINUE IN THE MERIDIAN AREA SEVERAL TORNADOES
HAVE BEEN REPORTED WITH THESE STORMS DURING THE PAST TWO HOURS. OTHER
HEAVY THUNDERSTORMS EXTEND FROM MERIDIAN SOUTHWESTWARD TO COLUMBIA.
THESE THUNDERSTORMS ARE MOVING TO THE NORTHEAST AT 45 MPH AND SHOULD
BE NEARING THE COLUMBUS AREA BY 3PM.

AT 135 PM...THE JACKSON RADAR SHOWED NUMEROUS SHOWERS AND THUNDERSTORMS
CONTINUE OVER MOST OF THE REST OF MISSISSIPPI. MOVEMENT CONTINUES
NORTHEAST AT 45 MPH.t
Special weather statement, Mar 12, 2:44 PM CST, 15 minutes before
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Special weather statement, Mar 12, 2:52 PM CST, 7 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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, 8:09 AM CSTSevere Thunderstorm WarningJANFranklin, Jefferson36 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 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; the sounding from the Mesonet's radiosonde archive.