Alert archive / Arkansas / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 283, NWS Tulsa, OK

September 25, 1993Benton County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Sep 25, 1993, 12:59 AM CDT for Benton County, Arkansas. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Sep 25, 1993, 12:59 AM CDT (05:59 UTC)
Expired
Sep 25, 1993, 2:00 AM CDT
In force
61 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Benton County, AR

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 6.0 hours before the alert went out and 74 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 1993-09-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 39 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1993-09-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 72 square meters per square second.19395878Sfc1 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
39 J/kg
Mixed-layer CIN
-88 J/kg
Mixed-layer LCL
603 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
72 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

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.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 24, 9:39 PM CDT, 3 hours 20 minutes earlier.

Area forecast discussion, Sep 24, 9:39 PM CDT, 3 hours 20 minutes before
AREA FORECAST DISCUSSION FOR EASTERN OKLAHOMA
NATIONAL WEATHER SERVICE TULSA OK
930 PM CDT FRI SEP 24 1993

WX ACTIVE ENOUGH TO KEEP ME FROM LUKING MUCH AT FCST. WILL LEAVE AS
IS EXCEPT EXTND FFA INTO EC ZNS.
DECIDED TO LEAVE ZNS 29-30 OUT OF FFA...NO HVY RAINS HAVE FALLEN IN
THAT AREA THIS EVE.
/13
.OK...FFA ZNS 26>28 AND 31>33 FOR TONIGHT.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 24, 8:26 PM CDTSevere Thunderstorm WarningTSAPittsburg49 min
Sep 24, 9:18 PM CDTSevere Thunderstorm WarningTSAOsage, Washington42 min
Sep 25, 12:18 AM CDTFlash Flood WarningTSACraig, Nowata6 hr
Sep 25, 12:18 AM CDTFlash Flood WarningTSAOttawa6 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 1993Every severe thunderstorm warning in 1993

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.