Alert archive / Arkansas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 34, NWS Tulsa, OK

April 16, 1990Scott County, Arkansas; LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 16, 1990, 7:58 PM CDT for Scott County, Arkansas; LeFlore County, Oklahoma. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Apr 16, 1990, 7:58 PM CDT (00:58 UTC)
Expired
Apr 16, 1990, 9:00 PM CDT
In force
62 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Scott County, AR, LeFlore County, OK

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, 1.0 hours before the alert went out and 231 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 1990-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 993 joules per kilogram.LCLLFCEL10008507005003002001001 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 1990-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.193958Sfc1 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
993 J/kg
Mixed-layer CIN
-14 J/kg
Mixed-layer LCL
1295 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.7

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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

Local storm report, Apr 16, 4:58 PM CDT, 3 hours before
STORM REPORT DELAYED
NATIONAL WEATHER SERVICE TULSA, OK
457 PM CDT MON APR 16 1990

DELAYED STORM REPORT FROM APRIL 15...

 TIME/CDT COUNTY      EVENT
 725 PM   LATIMER     DIME SIZE HAIL FELL 7 MILES NORTH OF WILBURTON
                      ON HIGHWAY 2.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 7:07 PM CDTSevere Thunderstorm WarningTSABenton68 min
Apr 16, 7:31 PM CDTSevere Thunderstorm WarningTSAWashington59 min
Apr 16, 7:54 PM CDTTornado WarningTSABenton24 min
Apr 16, 8:04 PM CDTSevere Thunderstorm WarningTSAMadison56 min
Apr 16, 8:30 PM CDTSevere Thunderstorm WarningTSAWashington30 min
Apr 16, 8:47 PM CDTTornado WarningTSABenton, Washington28 min
Apr 16, 9:00 PM CDTSevere Thunderstorm WarningTSACrawford, Madison, Washington60 min
Apr 16, 9:25 PM CDTSevere Thunderstorm WarningTSABenton35 min
Apr 16, 10:00 PM CDTSevere Thunderstorm WarningTSACrawford, Washington60 min
Apr 16, 11:41 PM CDTSevere Thunderstorm WarningTSAJohnson64 min
Apr 16, 7:03 PM CDTSevere Thunderstorm WarningTSAMayes, Rogers42 min
Apr 16, 7:22 PM CDTSevere Thunderstorm WarningTSACreek, Okfuskee53 min
Apr 16, 7:37 PM CDTSevere Thunderstorm WarningTSATulsa68 min
Apr 16, 7:45 PM CDTSevere Thunderstorm WarningTSANowata, Washington60 min
Apr 16, 7:45 PM CDTSevere Thunderstorm WarningTSAOsage60 min
Apr 16, 7:59 PM CDTSevere Thunderstorm WarningTSAMayes61 min
Apr 16, 8:10 PM CDTSevere Thunderstorm WarningTSAPittsburg65 min
Apr 16, 8:39 PM CDTSevere Thunderstorm WarningTSACreek, Tulsa66 min
Apr 16, 8:50 PM CDTSevere Thunderstorm WarningTSAAdair, Cherokee55 min
Apr 16, 9:00 PM CDTSevere Thunderstorm WarningTSASequoyah60 min
Apr 16, 9:36 PM CDTSevere Thunderstorm WarningTSAWagoner69 min
Apr 16, 9:43 PM CDTSevere Thunderstorm WarningTSACreek, Okmulgee, Tulsa62 min
Apr 16, 9:48 PM CDTSevere Thunderstorm WarningTSAPawnee57 min
Apr 16, 10:02 PM CDTSevere Thunderstorm WarningTSAOsage, Tulsa, Washington58 min
Apr 16, 10:17 PM CDTSevere Thunderstorm WarningTSACherokee58 min
Apr 16, 10:21 PM CDTFlash Flood WarningTSACreek3 hr
Apr 16, 10:43 PM CDTSevere Thunderstorm WarningTSAOkmulgee62 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1990Severe Thunderstorm Warnings in Oklahoma, 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.