Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 158, NWS Tulsa, OK

May 26, 1990Benton County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at May 26, 1990, 9:18 AM CDT for Benton County, Arkansas. It was in force for 57 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: May 26, 1990, 9:18 AM CDT (14:18 UTC)
Expired: May 26, 1990, 10:15 AM CDT
In force: 57 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Benton County, AR

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

What was reported inside it

Time	Report	Where	Remark
May 26, 10:05 AM CDT	Hail 0.75	Benton, AR

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 2.3 hours before the alert went out and 310 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1863 J/kg
Mixed-layer CIN: -391 J/kg
Mixed-layer LCL: 1411 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 202 m²/s²
0-3 km storm-relative helicity: 211 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KFSM 261419
SVRFSM
ARC007-261515-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
918 AM CDT SAT MAY 26 1990
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1015 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST ARKANSAS
 
   ...BENTON COUNTY
 
AT 917 AM RADAR SHOWED A SEVERE THUNDERSTORM MOVING INTO WESTERN
BENTON COUNTY. THIS STORM MAY PRODUCE LARGE HAIL...VERY HEAVY RAIN...
AND DAMAGING WIND. IT IS MOVING EAST AT 30 MPH.
 
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVEc 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.

Issued	Product	Office	Counties	Lasted
May 26, 10:00 AM CDT	Severe Thunderstorm Warning	TSA	Madison, Washington	60 min
May 26, 10:53 AM CDT	Severe Thunderstorm Warning	TSA	Benton	67 min
May 26, 12:27 PM CDT	Severe Thunderstorm Warning	TSA	Franklin	63 min
May 26, 12:44 PM CDT	Severe Thunderstorm Warning	TSA	Logan	61 min
May 26, 1:20 PM CDT	Severe Thunderstorm Warning	TSA	Crawford, Sebastian	55 min
May 26, 2:16 PM CDT	Severe Thunderstorm Warning	TSA	Logan, Scott	59 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.