Alert archive / Arkansas / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 468, NWS Little Rock, AR

August 26, 2003Cleburne County, Stone County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 26, 2003, 2:23 PM CDT for Cleburne County, Stone County, Arkansas. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 26, 2003, 2:23 PM CDT (19:23 UTC)
Expired
Aug 26, 2003, 2:55 PM CDT
In force
32 min
Issued by
NWS Little Rock, AR
Area
Counties, with a storm outline in the text

Counties Cleburne County, AR, Stone County, AR

The radar

The Little Rock radar (KLZK), 97 km from the middle of the area, began a volume at 19:23 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 7.4 hours before the alert went out and 203 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 2003-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1470 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 12:00Z on 2003-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 square meters per square second.1939Sfc1 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
1470 J/kg
Mixed-layer CIN
-112 J/kg
Mixed-layer LCL
1439 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 26, 12:15 PM CDT, 2 hours 8 minutes earlier.

Area forecast discussion, Aug 26, 12:15 PM CDT, 2 hours 8 minutes before
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Hazardous weather outlook, Aug 26, 11:55 AM CDT, 2 hours 28 minutes before
ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-271000-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1155 AM CDT TUE AUG 26 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...TODAY AND TONIGHT

A HEAT ADVISORY IS IN EFFECT TODAY FOR CENTRAL AND SOUTHERN
ARKANSAS. HIGH TEMPERATURES WILL BE IN THE MID TO UPPER 90S...AND
WITH HIGH HUMIDITY LEVELS...HEAT INDEX VALUES OF 105 TO 110 CAN BE
EXPECTED THIS AFTERNOON. PEOPLE PLANNING TO BE OUTDOORS TODAY WILL
NEED TO TAKE PRECAUTIONS TO AVOID HEAT RELATED ILLNESS.

DURING THE HEAT OF THE AFTERNOON...THE ATMOSPHERE WILL BECOME
UNSTABLE WITH SCATTERED THUNDERSTORMS DEVELOPING. THIS WILL MAINLY
OCCUR IN CENTRAL AND SOUTHERN ARKANSAS. A FEW OF THE STORMS MAY
BECOME SEVERE...WITH DAMAGING WINDS POSSIBLE.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH LABOR DAY

HOT AND HUMID WEATHER WILL CONTINUE THROUGH THURSDAY. HOWEVER...WITH
HIGHER MOISTURE LEVELS...AFTERNOON CLOUDS AND COVERAGE OF
THUNDERSTORMS WILL INCREASE. THIS WILL HELP KEEP THE HEAT AND
HUMIDITY IN CHECK...BUT HEAT INDICES WILL STILL EXCEED 100 DEGREES.

A COLD FRONT WILL APPROACH THE AREA FRIDAY...AND COULD BRING RELIEF
FROM THE HEAT...AS WELL AS MUCH NEEDED RAINFALL. THE LATEST DATA
INDICATE A SLOWER MOVEMENT TO THE FRONT...SO DETAILS WILL BE GIVEN
AS MORE DATA BECOMES AVAILABLE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

46

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 26, 2:52 PM CDTSevere Thunderstorm WarningLZKMarion28 min
Aug 26, 3:14 PM CDTSevere Thunderstorm WarningLZKCleburne31 min
Aug 26, 3:19 PM CDTSevere Thunderstorm WarningLZKPope36 min
Aug 26, 3:20 PM CDTSevere Thunderstorm WarningLZKLincoln30 min
Aug 26, 3:37 PM CDTSevere Thunderstorm WarningLZKFulton28 min
Aug 26, 4:04 PM CDTSevere Thunderstorm WarningLZKFulton31 min
Aug 26, 4:46 PM CDTSevere Thunderstorm WarningLZKGrant29 min
Aug 26, 5:14 PM CDTSevere Thunderstorm WarningLZKGrant36 min
Aug 26, 5:16 PM CDTSevere Thunderstorm WarningLZKHot Spring29 min
Aug 26, 6:05 PM CDTSevere Thunderstorm WarningLZKMontgomery30 min
Aug 26, 6:07 PM CDTSevere Thunderstorm WarningLZKPolk33 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2003Every severe thunderstorm warning in 2003

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; radar from the NEXRAD Level II archive.