Alert archive / Arkansas / Tornado Warnings in 1990

Tornado Warning 14, NWS Tulsa, OK

June 21, 1990Madison County, Washington County, Arkansas

NWS Tulsa, OK issued this tornado warning at Jun 21, 1990, 7:43 PM CDT for Madison County, Washington County, Arkansas. It was in force for 36 min. 2 reports 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
Jun 21, 1990, 7:43 PM CDT (00:43 UTC)
Expired
Jun 21, 1990, 8:19 PM CDT
In force
36 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Madison County, AR, Washington 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

TimeReportWhereRemark
Jun 21, 7:45 PM CDTThunderstorm Wind 0Madison, AR
Jun 21, 8:10 PM CDTThunderstorm Wind 0Washington, 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

Springfield, MO (KUMN), launched 00:00Z, 0.7 hours before the alert went out and 102 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 1990-06-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 90 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1990-06-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.193958Sfc1 km3 km6 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
90 J/kg
Mixed-layer CIN
-229 J/kg
Mixed-layer LCL
1597 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
329 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KFSM 220044
TORFSM
ARC087-143-220130-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT SMITH AR
743 PM CDT THU JUN 21 1990
 
THE NATIONAL WEATHER SERVICE IN FORT SMITH HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTHWEST ARKANSAS
 
   ...MADISON COUNTY...EASTERN WASHINGTON COUNTY
 
AT 743 PM WEATHER SERVICE RADAR INDICATED A POSSIBLE TORNADO JUST
SOUTHE OF ELKINS. SEVERAL REPORTS OF DAMAGE AND TORNADO SIGHTINGS HAVE
BEEN RECEIVED OVER THE PAST 30 MINUTES WITH THIS STORM. THE STORM IS
MOVING EAST AT 20 MPH. PEOPLE IN THE PATH OF THIS STORM SHOULD SEEK
SHELTER IMMEDIATELY.
 
IF YOU LIVE IN A HOME OR APARTMENT...SpEEK SHELTER IN THE
INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR.  GET TO
A BASEMENT IF ONE IS AVAILABLE.  AVOID WINDOWS AND PROTECT YOUR
BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 21, 7:05 PM CDTTornado WarningTSAWashington25 min
Jun 21, 7:20 PM CDTSevere Thunderstorm WarningTSAMadison55 min
Jun 21, 9:54 PM CDTSevere Thunderstorm WarningTSABenton66 min
Jun 21, 10:10 PM CDTSevere Thunderstorm WarningTSAWashington65 min
Jun 21, 10:31 PM CDTSevere Thunderstorm WarningTSACrawford59 min
Jun 21, 10:46 PM CDTSevere Thunderstorm WarningTSASebastian59 min
Jun 21, 11:18 PM CDTSevere Thunderstorm WarningTSAFranklin57 min

Nearby

Tornado Warnings in Arkansas, 1990Every tornado warning in 1990Tornadoes 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.