Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 80, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Oct 3, 1990, 6:07 PM CDT for Crittenden County, Arkansas; Shelby County, Tennessee. It was in force for 68 min.
The area
The counties it named.
The facts
- Issued
- Oct 3, 1990, 6:07 PM CDT (23:07 UTC)
- Expired
- Oct 3, 1990, 7:15 PM CDT
- In force
- 68 min
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Crittenden County, AR, Shelby 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, 11.1 hours before the alert went out and 43 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3615 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 189 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMEM 032307 SVRMEM ARC035-TNC157-040015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MEMPHIS TN 607 PM CDT WED OCT 3 1990 THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST ARKANSAS ...EASTERN CRITTENDEN COUNTY IN WEST TENNESSEE ...SHELBY COUNTY AT 600 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM OVER SOUTHERN CRITTENDEN COUNTY IN EASTERN ARKANSAS. MOVEMENT WAS NORTHEAST AT 45 MPH. DURING THE NEXT HOUR THE STORM WILL MOVE INTO EASTERN CRITTENDEN COUNTY AND ACRSS SHELBY COUNTY. 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 WATE0R 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, Oct 3, 5:55 PM CDT, 12 minutes before
TNZ012013-014-015-ARZ012-013-014-MSZ001-004-005-040200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
555 PM CDT WED OCT 3 1990
...STRONG THUNDERSTORMS INCREASING OVER THE MID SOUTH...
SCATTERED THUNDERSTORMS HAVE DEVELOPED OVER EASTERN ARKANSAS AND
NORTHERN MISSISSIPPI. THESE STORMS ARE MOVING NORTHEASTWARD INTO WEST
TENNESSEE AT 45 MPH.
A COLD FRONT ACROSS THE PLAINS STATES IS MOVING SOUTHEASTWARD AND
WARM HUMID AIR IS BEING BROUGHT INTO THE MID SOUTH FROM THE GULF OF
MEXICO BY GUSTY SOUTHERLY WINDS. CONDITIONS ARE THEREFORE BECOMING
INCREASINGLY FAVORABLE FOR THUNDERSTORMS TO DEVELOP AND BECOME MORE
NUMEROUS OVER THE MID SOUTH TONIGHT AS THE COLD FRONT APPROACHES.
THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAIN STRONG GUSTY WINDS AND
SMALL HAIL.
RESIDENTS OF THE MID SOUTH ARE URGED TO KEEP INFORMED OF THIS WEATHER
SITUATION AND BE PREPARED TO TAKE PROTECTIVE ACTION IF THREATENING
WEATHER APPROACH+ES.Nearby
Severe Thunderstorm Warnings in Arkansas, 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.