Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 445, NWS Little Rock, AR

July 25, 1998Clark County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 25, 1998, 6:21 PM CDT for Clark County, Arkansas. It was in force for 34 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
Jul 25, 1998, 6:21 PM CDT (23:21 UTC)
Expired
Jul 25, 1998, 6:55 PM CDT
In force
34 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Clark County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.4 hours before the alert went out and 322 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 1998-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 238 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 1998-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
238 J/kg
Mixed-layer CIN
-240 J/kg
Mixed-layer LCL
705 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 3:36 AM CDTSevere Thunderstorm WarningLZKBaxter49 min
Jul 25, 2:01 PM CDTSevere Thunderstorm WarningLZKNewton49 min
Jul 25, 2:28 PM CDTFlash Flood WarningLZKNewton92 min
Jul 25, 2:45 PM CDTSevere Thunderstorm WarningLZKSearcy50 min
Jul 25, 2:49 PM CDTSevere Thunderstorm WarningLZKNewton36 min
Jul 25, 3:33 PM CDTSevere Thunderstorm WarningLZKVan Buren62 min
Jul 25, 5:05 PM CDTSevere Thunderstorm WarningLZKPerry, Yell60 min
Jul 25, 5:23 PM CDTSevere Thunderstorm WarningLZKPulaski32 min
Jul 25, 5:28 PM CDTTornado WarningLZKPulaski32 min
Jul 25, 6:12 PM CDTSevere Thunderstorm WarningLZKScott48 min
Jul 25, 6:37 PM CDTSevere Thunderstorm WarningLZKPike38 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1998Every severe thunderstorm warning in 1998

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.