Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 113, NWS Little Rock, AR

April 8, 1998Woodruff County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 8, 1998, 5:03 PM CDT for Woodruff County, Arkansas. It was in force for 47 min. 1 report 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
Apr 8, 1998, 5:03 PM CDT (22:03 UTC)
Expired
Apr 8, 1998, 5:50 PM CDT
In force
47 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Woodruff County, AR

The radar

The Little Rock radar (KLZK), 101 km from the middle of the area, began a volume at 22:04 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.

What was reported inside it

TimeReportWhereRemark
Apr 8, 5:10 PM CDTHail 0.75Cotton Plant, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 8, 4:45 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.1 hours before the alert went out and 124 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, Little Rock, AR at 12:00Z on 1998-04-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 12:00Z on 1998-04-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 170 square meters per square second.1939587897117136Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2519 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
170 m²/s²
0-3 km storm-relative helicity
224 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
Apr 8, 6:45 AM CDTSevere Thunderstorm WarningLZKCalhoun50 min
Apr 8, 6:57 AM CDTSevere Thunderstorm WarningLZKCleveland63 min
Apr 8, 7:22 AM CDTSevere Thunderstorm WarningLZKBradley48 min
Apr 8, 7:37 AM CDTSevere Thunderstorm WarningLZKDrew, Lincoln48 min
Apr 8, 7:58 AM CDTSevere Thunderstorm WarningLZKArkansas47 min
Apr 8, 8:52 AM CDTSevere Thunderstorm WarningLZKBradley48 min
Apr 8, 4:17 PM CDTSevere Thunderstorm WarningLZKLonoke, Pulaski48 min
Apr 8, 4:31 PM CDTSevere Thunderstorm WarningLZKPrairie49 min
Apr 8, 5:08 PM CDTSevere Thunderstorm WarningLZKMonroe52 min
Apr 8, 6:08 PM CDTSevere Thunderstorm WarningLZKMonroe32 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.