Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 19, NWS Tulsa, OK

March 2, 1997Sebastian County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 2, 1997, 3:02 PM CST for Sebastian County, Arkansas. It was in force for 28 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
Mar 2, 1997, 3:02 PM CST (21:02 UTC)
Expired
Mar 2, 1997, 3:30 PM CST
In force
28 min
Issued by
NWS Tulsa, OK
Area
Whole counties

County Sebastian County, AR

What was reported inside it

TimeReportWhereRemark
Mar 2, 3:04 PM CSTHail 0.75Hackett, AR
Mar 2, 3:08 PM CSTHail 1Ft Smith, 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, 9.0 hours before the alert went out and 194 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 1997-03-02Temperature 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, Springfield, MO at 12:00Z on 1997-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -213 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
1487 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
-213 m²/s²
0-3 km storm-relative helicity
-67 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 KTUL 022103
SVRTUL
ARC131-022130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
302 PM CST SUN MAR 2 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  330 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WEST CENTRAL ARKANSAS
 
   ...NORTHERN SEBASTIAN COUNTY
 
AT 3 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM
NEAR HACKETT...MOVING NORTH NORTHEAST AT 45 MILES AN HOUR. THIS STORM
HAS A HISTORY OF DIME TO QUARTER SIZE HAIL AS IT MOVED ACROSS LE FLORE
COUNTY OKLAHOMA IN THE PAST HOUR. THE STRONGEST PORTION OF THE STORM
WILL MOVE NEAR BARLING AND LEVACA.
 
DAMAGING WINDS WITH GUSTS UP TO 65 MPH AND HAIL TO THE SIZE OF QUARTERS
MAY OCCUR WITH THIS LINE OF THUNDERSTORMS. IF YOU ARE IN THE PATH OF THE
STORMS SEEK SHELTER IMMEDIATELY IN THE LOWEST FLOOR OF YOUR BUILDING OR
HOME. STAY AWAY FROM OUTSIDE WALLS AND WINDOWS. IF YOU ARE IN A MOBILE
HOME YOU SHOULD MOVE TO A MORE SUBSTANTIAL STRUCTURE IF ONE IS NEARBY.
 
 
 
&

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tulsa, OK wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 2, 1:57 PM CST, 1 hour 5 minutes earlier.

Area forecast discussion, Mar 2, 1:57 PM CST, 1 hour 5 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION...UPDATED...
NATIONAL WEATHER SERVICE TULSA OK
155 PM CST SUN MAR 2 1997

MADE A QUICK UPDATE TO THE ZONES TO MENTION THUNDER ACROSS THE
SOUTHERN ZONES.  ELEVATED UPRIGHT CONVECTION MAKING ITS WAY FURTHER
NORTH OF THE RED RIVER THAN PREVIOUSLY EXPECTED.  WL CONT TO MONITOR
TRENDS.

/GARMON

.TUL...
OK...NONE.
AR...NONE.

The office that day

Everything else NWS Tulsa, OK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 2, 3:11 PM CSTSevere Thunderstorm WarningTSACrawford34 min
Mar 2, 3:37 PM CSTSevere Thunderstorm WarningTSAMadison53 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.