Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 6, NWS Memphis, TN

February 9, 1990Marshall County, Mississippi; Fayette County, Tennessee

NWS Memphis, TN issued this severe thunderstorm warning at Feb 9, 1990, 5:01 PM CST for Marshall County, Mississippi; Fayette County, Tennessee. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Feb 9, 1990, 5:01 PM CST (23:01 UTC)
Expired
Feb 9, 1990, 5:45 PM CST
In force
44 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Marshall County, MS, Fayette County, TN

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

Little Rock, AR (KLZK), launched 12:00Z, 11.0 hours before the alert went out and 48 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, Little Rock, AR at 12:00Z on 1990-02-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 1990-02-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 298 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3593 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
298 m²/s²
0-3 km storm-relative helicity
287 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 KMEM 092302
SVRMEM
MSC093-TNC047-092345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
501 PM CST FRI FEB 9 1990
 
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  545 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN NORTHWEST MISSISSIPPI
          ...NORTHERN MARSHALL
IN WEST TENNESSEE
          ...SOUTHERN FAYETTE
 
AT 500 PM RADAR INDICATED SEVERE THUNDERSTORMS APPROACHING THE BORDER
AREA OF NORTHERN MARSHALL COUNTY MISSISSIPPI AND SOUTHERN FAYETTE IN
WEST TENNESSEE.
 
STRONG WINDS AND VERY HEAVY RAIN HAVE ACCOMPANIED THESE THUNDERSTORMS.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

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, Feb 9, 3:30 PM CST, 1 hour 31 minutes before
MSZ004-005-007-092230

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
330 PM CST FRI FEB 9 1990

...TORNADO WATCH NUMBER 21 IN EFFECT FOR PORTIONS OF NORTHERN
MISSISSIPPI...

AT 320 PM CST TIME NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED
THUNDERSTORMS WITH VERY HEAVY RAINS OVER PORTIONS OF NORTHERN
MISSISSIPPI. THE HEAVIEST ACTIVITY WAS NEAR EUPORA IN SOUTHERN
WEBSTER COUNTY...NEAR CHARLESTON IN EAST CENTRAL TALLAHATCHIE
COUNTY AND CALHOUN CITY IN CENTRAL CALHOUN COUNTY.
OTHERWISE RADAR INDICATED AREAS OF LIGHT TO MODERATE RAINS OVER
NORTHERN MISSISSIPPI.

MOVEMENT OF THE THUNDERSTORMS WAS EAST AT 50 MILES AN HOUR.

WITH THE PASSAGE OF THE THUNDERSTORMS HEAVY RAINS...FREQUENT
LIGHTNING AND GUSTY WINDS IN EXCESS OF 45 MILES AN HOUR CAN
BE EXPECTED.

PERSONS IN NORTHERN MISSISSIPPI NEED TO BE WEATHER ALERT AND
TAKE PROPER ACTION IF THREATENING WEATHER APPROACHES.
Special weather statement, Feb 9, 4:29 PM CST, 32 minutes before
MSZ004-005-007-092330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUPELO MS
430  PM CST FRI FEB  9 1990

   ...TORNADO WATCH NUMBER 21 IN EFFECT UNTIL 9 PM THIS EVENING...

AT 425 PM CST...TUPELO NATIONAL WEATHER SERVICE RADAR WAS INDICATIN A
 RATHER LARGE AREA OF THUNDERSTORM ACTIVITY SOUTHEAST OF A LINE FROM
CENTRAL QUITMQN COUNTY EXTENDING TO THE NORTHEAST TO NORTHERN BENTON
COUNTY AND MARSHALL COUNTY IN NORTH CENTRAL MISSISSIPPI. THIS AREA
OF THUNDERSTORM CTIVITY EXTENDED TO THE SOUTHEAST TO AS FAR AS MONROE
ITAWAMBA AND TISHOMINGO COUNTIES IN NORTHEAST MISSISSIPPI.

STRONGEST THUNDERSTORMS WERE LOCATED OVER NORTHWESTERN CHICKASAW
COUNTY...NORTHERN MARSHALL COUNTY AND CNTRAL BENTON COUNTY.

THESE THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 45 MILES AN HOUR.

THESE THUNDERSTORMS HAVE THE POTENTIAL OF PRODUCING STRONG
THUNDERSTORM WINDS...LOCALLY HEAVY RAINS...OCCASIONAL LIGHTNING.

ANYONE LIVING IN OR NEAR THE PATH OF THESE THUNDERSTORMS SHOULD
REMAIN WEATHER ALERT AN TAKE PROPER PRECAUTIONS TO INSURE SAFETY.

REMAIN LISTENING TO YOUR NOAA WEATHER RADIO...TELEVISION...OR
REGULAR RADIO STATIONS FOR MORE INFORMATION.

MORE STATEMENTS WILL BE ISSUED AS CONDITIONS WARRANT.

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 9, 3:23 PM CSTTornado WarningMEGLauderdale67 min
Feb 9, 3:58 PM CSTSevere Thunderstorm WarningMEGCrockett, Dyer47 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1990Severe Thunderstorm Warnings in Tennessee, 1990Every severe thunderstorm warning in 1990

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.