Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 39, NWS Memphis, TN

June 9, 1990Mississippi County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Jun 9, 1990, 1:36 PM CDT for Mississippi County, Arkansas. It was in force for 39 min.

The area

The counties it named.

The facts

Issued
Jun 9, 1990, 1:36 PM CDT (18:36 UTC)
Expired
Jun 9, 1990, 2:15 PM CDT
In force
39 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Mississippi County, AR

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, 6.6 hours before the alert went out and 104 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 1990-06-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 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 12:00Z on 1990-06-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.1939Sfc1 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
3603 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
94 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 091839
SVRMEM
ARC093-091915-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
136 PM CDT SAT JUN 9 1990
 
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  215 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST ARKANSAS
 
   ...WESTERN MISSISSIPPI COUNTY
 
AT 130 PM WEATHER RADAR LOCATED A SEVERE THUNDERSTORM MOVING EAST AT
2O MPH INTO WESTERN MISSISSIPPI COUNTY ARKANSAS. AT ITS PRESENT
MOVEMENT THIS SEVERE THUNDERSTORM WILL PASS NEAR WEST RIDGE AND
ATHELSTAN. RADAR INDICATES THIS THUNDERSTORM WILL PRODUCE LARGE HAIL
AS IT MOVES THROUGH.
 
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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 9, 1:45 PM CDTSevere Thunderstorm WarningMEGPoinsett30 min
Jun 9, 4:20 PM CDTSevere Thunderstorm WarningMEGLee25 min
Jun 9, 6:17 PM CDTFlash Flood WarningMEGPhillips118 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.