Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 64, NWS Tulsa, OK

May 3, 19904 counties in Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 3, 1990, 1:48 AM CDT for 4 counties in Arkansas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 3, 1990, 1:48 AM CDT (06:48 UTC)
Expired
May 3, 1990, 2:45 AM CDT
In force
57 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Franklin County, AR, Logan County, AR, Scott County, AR, Sebastian 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

Springfield, MO (KUMN), launched 00:00Z, 6.8 hours before the alert went out and 190 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, Springfield, MO at 00:00Z on 1990-05-03Temperature 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, Springfield, MO at 00:00Z on 1990-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 134 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
626 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
134 m²/s²
0-3 km storm-relative helicity
191 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 KFSM 030649
SVRFSM
ARC047-083-127-131-030745-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
148 AM CDT THU MAY 3 1990
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  245 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN WEST ARKANSAS
 
   ...FRANKLIN COUNTY...LOGAN COUNTY...SCOTT COUNTY
   ...SOUTHERN SEBASTIAN COUNTY
 
AT 147 AM CDT FT SMITH RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS
EXTENDS FROM 10 MILES NORTH OF OZARK SOUTHWEST TO JUST NORTH OF MENA
ARKANSAS. MOVEMENT WAS EAST AT 30 MPH.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.
 
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 Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 2, 11:19 PM CDTFlash Flood WarningTSACrawford, Sebastian4 hr
May 2, 11:19 PM CDTFlash Flood WarningTSAScott4 hr
May 3, 12:17 AM CDTFlash Flood WarningTSAPolk3 hr
May 3, 12:17 AM CDTFlash Flood WarningTSABenton, Washington3 hr
May 3, 12:24 AM CDTSevere Thunderstorm WarningTSASebastian66 min
May 3, 12:37 AM CDTSevere Thunderstorm WarningTSACrawford68 min
May 3, 1:02 AM CDTSevere Thunderstorm WarningTSAFranklin58 min
May 3, 2:04 AM CDTSevere Thunderstorm WarningTSAJohnson56 min
May 3, 3:12 AM CDTFlash Flood WarningTSAPolk, Scott, Sebastian4 hr
May 3, 3:12 AM CDTFlash Flood WarningTSABenton, Madison, Washington4 hr
May 3, 3:12 AM CDTFlash Flood WarningTSACrawford, Franklin4 hr
May 3, 3:12 AM CDTFlash Flood WarningTSAJohnson, Logan4 hr
May 3, 7:17 AM CDTFlash Flood WarningTSACrawford, Franklin, Madison3 hr
May 3, 7:17 AM CDTFlash Flood WarningTSAJohnson, Logan3 hr
May 3, 7:17 AM CDTFlash Flood WarningTSAPolk3 hr
May 3, 6:03 PM CDTSevere Thunderstorm WarningTSAWashington57 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.