Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 66, NWS Tulsa, OK

May 3, 1990Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 3, 1990, 6:03 PM CDT for Washington County, Arkansas. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
May 3, 1990, 6:03 PM CDT (23:03 UTC)
Expired
May 3, 1990, 7:00 PM CDT
In force
57 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Washington 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 12:00Z, 11.1 hours before the alert went out and 109 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 12:00Z 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 12:00Z on 1990-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 397 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
707 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
397 m²/s²
0-3 km storm-relative helicity
341 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 032306
SVRFSM
ARC143-040000-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
603 PM CDT THU MAY 3 1990
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  700 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST ARKANSAS
 
   ...WASHINGTON COUNTY
 
AT 604 PM WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM 5
MILES EAST OF STILLWELL OKLAHOMA. THE STORM IS MOVING NORTHEAST AT 20
MPH. A TORNADO WAS REPORTED EARLIER WITH THIS STORM IN SEQUOYAH
COUNTY OKLAHOMA.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCEG TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

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, May 3, 2:39 PM CDT, 3 hours 24 minutes before
OKC001-021-032030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TULSA OK
238 PM CDT THU MAY 3 1990

REPORTS ARE CIRCULATING THAT LAKE FRANCIS, ON THE ILLINOIS RIVER AT
WATTS, BEGAN OVERFLOWING AND PART OF THE CONCRETE SPILLWAY HAS BROKEN
AWAY. ED FITE OF THE OKLAHOMA SCENIC RIVERS COMMISSION REPORTS THAT
LAKE FRANCIS IS IN NO IMMEDIATE DANGER OF DETERIORATION. SOME FLOODING
IS OCCURRING ALONG THE ILLINOIS RIVER OVER PARTS OF ADAIR AND
CHEROKEE COUNTY.

THIS IS A PUBLIC SERVICE MESSAGE FOR THE ADAIR AND CHEROKEE COUNTY
CIVIL DEFENSE. CHEROKEE AND ADIAR COUNTY CIVIL DEFENSE OFFICIALS ARE
ADVISING PEOPLE ALONG THE ILLINOIS RIVER BELOW LAKE FRANCIS TO TAKE
THE SAME ACTIONS AS THOSE DUERING THE 1986 FLOOD.

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, 1:48 AM CDTSevere Thunderstorm WarningTSAFranklin, Logan, Scott, Sebastian57 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

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.