Alert archive / Mississippi / Tornado Warnings in 1990

Tornado Warning 1, NWS Memphis, TN

February 2, 1990Pontotoc County, Mississippi

NWS Memphis, TN issued this tornado warning at Feb 2, 1990, 11:05 PM CST for Pontotoc County, Mississippi. It was in force for 55 min.

The area

The counties it named.

The facts

Issued
Feb 2, 1990, 11:05 PM CST (05:05 UTC)
Expired
Feb 3, 1990, 12:00 AM CST
In force
55 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Pontotoc 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

Little Rock, AR (KLZK), launched 00:00Z, 5.1 hours before the alert went out and 107 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 00:00Z on 1990-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 00:00Z on 1990-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 49 square meters per square second.1939587897117136Sfc1 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
3598 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
49 m²/s²
0-3 km storm-relative helicity
104 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 KTUP 030506
TORTUP
MSC115-030600-

BULLETIN EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TUPELO MS
1105 PM CST FRI FEB  2 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING EFFECTIVE
UNTIL 1200 AM CST FOR PERSONS IN THE FOLLOWING COUNTY   IN NORTHEAST
MISSISSIPPI...PONTOTOC

AT 1100 PM CST...A SEVERE THUNDERSTORM WITH A POSSIBLE TORNADO
WAS INDICATED ON RADAR 7 MILES NORTH OF BRUCE AND WAS MOVING
TO THE NORTHEAST AT 30 MILES AN HOUR.

THIS STORM HAS A HISTORY OF SEVERE WEATHER AS IT TRACKED ACROSS
THE STATE.

IF YOU ARE IN THE PATH OF THIS TORNADO..GO TO A STORM CELLAR OR A
CENTRAL INTERIOR ROOM ON THE LOWEST FLOOR. ABANDON CARS AND MOBILE
HOMES AND GO TO A CONCRETE OR BRICK BUILDING.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 3, 12:01 AM CSTSevere Thunderstorm WarningMEGCoahoma29 min
Feb 3, 4:52 AM CSTFlash Flood WarningMEGCoahoma, DeSoto, Tate, Tunica5 hr
Feb 3, 4:52 AM CSTFlash Flood WarningMEGMarshall5 hr
Feb 3, 4:52 AM CSTFlash Flood WarningMEGBenton5 hr
Feb 3, 10:21 AM CSTFlash Flood WarningMEGCoahoma, Quitman4 hr
Feb 3, 5:45 PM CSTFlash Flood WarningMEGLee2 hr

Nearby

Tornado Warnings in Mississippi, 1990Every tornado warning in 1990Tornadoes 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.