Alert archive / Arkansas / Tornado Warnings in 1997

Tornado Warning 40, NWS Little Rock, AR

August 14, 1997Cleburne County, Arkansas

NWS Little Rock, AR issued this tornado warning at Aug 14, 1997, 7:12 PM CDT for Cleburne County, Arkansas. It was in force for 33 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
Aug 14, 1997, 7:12 PM CDT (00:12 UTC)
Expired
Aug 14, 1997, 7:45 PM CDT
In force
33 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County Cleburne County, AR

The radar

The Little Rock radar (KLZK), 81 km from the middle of the area, began a volume at 00:14 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
Aug 14, 7:35 PM CDTThunderstorm Wind 50Ida, ARThunderstorm winds downed some large tree limbs and power lines.
Aug 14, 7:35 PM CDTThunderstorm Wind 50Heber Spgs, ARSeveral trees were blown down.

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 00:00Z, 0.2 hours before the alert went out and 220 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 1997-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 450 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 00:00Z on 1997-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 209 square meters per square second.193958Sfc1 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
450 J/kg
Mixed-layer CIN
-114 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
209 m²/s²
0-3 km storm-relative helicity
237 m²/s²
Significant tornado parameter
0.2
Supercell composite
3.2

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
Aug 14, 7:26 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner64 min
Aug 14, 7:30 PM CDTSevere Thunderstorm WarningLZKWhite65 min
Aug 14, 7:37 PM CDTSevere Thunderstorm WarningLZKSharp48 min
Aug 14, 8:37 PM CDTSevere Thunderstorm WarningLZKConway48 min
Aug 14, 8:55 PM CDTSevere Thunderstorm WarningLZKJackson, Woodruff45 min

Nearby

Tornado Warnings in Arkansas, 1997Every tornado warning in 1997Tornadoes in 1997

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.