Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 21, NWS Little Rock, AR

February 28, 1997White County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Feb 28, 1997, 12:42 PM CST for White County, Arkansas. It was in force for 33 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
Feb 28, 1997, 12:42 PM CST (18:42 UTC)
Expired
Feb 28, 1997, 1:15 PM CST
In force
33 min
Issued by
NWS Little Rock, AR
Area
Whole counties

County White County, AR

The radar

The Little Rock radar (KLZK), 66 km from the middle of the area, began a volume at 18:41 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
Feb 28, 12:46 PM CSTHail 0.75Searcy, 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

Little Rock, AR (KLZK), launched 12:00Z, 6.7 hours before the alert went out and 170 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 1997-02-28Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 1997-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 166 square meters per square second.1939587897Sfc1 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
1491 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
166 m²/s²
0-3 km storm-relative helicity
284 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KLIT 281843 RRA
SVRLIT
ARC145-281915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1242 PM CST FRI FEB 28 1997

THE NATIONAL WEATHER SERVICE IN LITTLE ROCK AR HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN CENTRAL ARKANSAS

   ...WHITE COUNTY
 
AT 1241 PM CST...A SEVERE THUNDERSTORM WAS DETECTED BY DOPPLER
RADAR 5 MILES NORTHEAST OF SEARCY MOVING NORTH AT 45 MPH.

LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
DEWEY                        AROUND 1240 PM CST ...
RUSSELL                      AROUND 1245 PM CST ...
SUNNYDALE                    AROUND 1245 PM CST ...
VELVET RIDGE                 AROUND 1245 PM CST ...
BRADFORD                     AROUND 1250 PM CST ...

THE MAIN THREAT WITH THIS STORM IS DIME SIZE HAIL OR LARGER.STRONG AND
GUSTY WINDS MAY ALSO BE PRODUCED IN AREAS AFFECTED BY THE STORM. REPORT
ANY SEVtERE WEATHER TO LOCAL LAW ENFORCEMENT OFFICIALS...AND ASK THAT
THE REPORT BE FORWARDED TO THE NATIONAL WEATHER SERVICE.

32/25/28

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 28, 12:56 PM CSTSevere Thunderstorm WarningLZKWoodruff49 min
Feb 28, 1:00 PM CSTSevere Thunderstorm WarningLZKIndependence, Jackson50 min
Feb 28, 1:23 PM CSTSevere Thunderstorm WarningLZKCleburne32 min
Feb 28, 1:29 PM CSTSevere Thunderstorm WarningLZKPope31 min
Feb 28, 1:50 PM CSTSevere Thunderstorm WarningLZKIndependence35 min
Feb 28, 1:59 PM CSTSevere Thunderstorm WarningLZKSharp61 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1997Every severe thunderstorm warning 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.