Alert archive / Missouri / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 41, NWS Memphis, TN

February 28, 1997Dunklin County, Missouri; Greene County, Arkansas

NWS Memphis, TN issued this severe thunderstorm warning at Feb 28, 1997, 2:06 PM CST for Dunklin County, Missouri; Greene 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
Feb 28, 1997, 2:06 PM CST (20:06 UTC)
Expired
Feb 28, 1997, 2:55 PM CST
In force
49 min
Issued by
NWS Memphis, TN
Area
Whole counties

Counties Greene County, AR, Dunklin County, MO

The radar

The Memphis radar (KNQA), 96 km from the middle of the area, began a volume at 20:06 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, 2:14 PM CSTHail 1.75Cardwell, MO
Feb 28, 2:31 PM CSTHail 1.25Kennett, MO

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, 8.1 hours before the alert went out and 147 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°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 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.

264 
WUUS1 KMEM 282006 RRA
SVRMEM
ARC055-MOC069-282055-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
206 PM CST FRI FEB 28 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 255 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEASTERN ARKANSAS

   ...EASTERN GREENE COUNTY

IN SOUTHEASTERN MISSOURI

   ...DUNKLIN COUNTY
 
AT 204 PM A SEVERE THUNDERSTORM PRODUCING GOLFBALL SIZE HAIL WAS
LOCATED IN EXTREME NORTHEASTERN CRAIGHEAD COUNTY JUST EAST OF
MONETTE. THE STORM WAS MOVING NORTHEAST AT 55 MPH AND WILL PASS
SOUTH OF PARAGOULD BEFORE AFFECTING THE CARDWELL AND SENATH AREAS.

STORM SPOTTERS REPORTED GOLFBALL SIZE HAIL IN THE HERGETT AREA AT
203 PM.

.THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A PLACE OF
SAFETY...PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM
WINDOWS.
 

&

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 28, 2:37 PM CSTSevere Thunderstorm WarningMEGPemiscot33 min
Feb 28, 1:23 PM CSTSevere Thunderstorm WarningMEGPoinsett47 min
Feb 28, 1:39 PM CSTSevere Thunderstorm WarningMEGCraighead46 min
Feb 28, 2:58 PM CSTSevere Thunderstorm WarningMEGClay, Randolph32 min
Feb 28, 5:06 PM CSTSevere Thunderstorm WarningMEGCrittenden, St. Francis49 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1997Severe 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.