Alert archive / Arkansas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 91, NWS Little Rock, AR

April 3, 1998Van Buren County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 3, 1998, 11:11 AM CST for Van Buren County, Arkansas. It was in force for 49 min. 2 reports 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 3, 1998, 11:11 AM CST (17:11 UTC)
Expired
Apr 3, 1998, 12:00 PM CST
In force
49 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Van Buren County, AR

The radar

The Little Rock radar (KLZK), 86 km from the middle of the area, began a volume at 17:12 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 3, 11:50 AM CSTHail 0.88Clinton, AR
Apr 3, 12:05 PM CSTHail 0.75Shirley, 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 nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 5.2 hours before the alert went out and 186 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 1998-04-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 31 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 1998-04-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 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
31 J/kg
Mixed-layer CIN
-126 J/kg
Mixed-layer LCL
868 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
80 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 2, 11:19 PM CSTSevere Thunderstorm WarningLZKMonroe46 min
Apr 3, 12:02 AM CSTSevere Thunderstorm WarningLZKConway48 min
Apr 3, 12:32 AM CSTSevere Thunderstorm WarningLZKFaulkner48 min
Apr 3, 10:35 AM CSTSevere Thunderstorm WarningLZKBoone65 min
Apr 3, 10:56 AM CSTSevere Thunderstorm WarningLZKPope34 min
Apr 3, 11:04 AM CSTSevere Thunderstorm WarningLZKNewton51 min
Apr 3, 11:44 AM CSTSevere Thunderstorm WarningLZKSearcy51 min
Apr 3, 11:55 AM CSTSevere Thunderstorm WarningLZKCleburne50 min
Apr 3, 12:01 PM CSTSevere Thunderstorm WarningLZKVan Buren29 min
Apr 3, 12:28 PM CSTSevere Thunderstorm WarningLZKJackson47 min
Apr 3, 12:41 PM CSTSevere Thunderstorm WarningLZKBoone49 min
Apr 3, 1:57 PM CSTSevere Thunderstorm WarningLZKBoone33 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.