Alert archive / Arkansas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 21, NWS Tulsa, OK

March 2, 1997Madison County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 2, 1997, 3:37 PM CST for Madison County, Arkansas. It was in force for 53 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: Mar 2, 1997, 3:37 PM CST (21:37 UTC)
Expired: Mar 2, 1997, 4:30 PM CST
In force: 53 min
Issued by: NWS Tulsa, OK
Area: Whole counties

County Madison County, AR

What was reported inside it

Time	Report	Where	Remark
Mar 2, 3:56 PM CST	Hail 0.75	St Paul, AR	Isolated severe thunderstorms developed in northwest Arkansas during the afternoon of March 2nd. The storms produced quarter size hail 5 miles south of Fort Smith, nickel size hail at Mulberry, and dime size hail 4 miles east of Hackett and at St. Paul.

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, 9.6 hours before the alert went out and 99 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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 022140 RRA
SVRTUL
ARC087-022230-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
337 PM CST SUN MAR 2 1997
 
THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  430 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTHWEST ARKANSAS
 
   ...MADISON COUNTY
 
AT 336 PM...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDESTORM MOVING NORTHEAST AT 50 MILES AN HOUR ACROSS NORTHERN
FRANKLIN COUNTY ARKANSAS.  THE STORM SHOULD MOVE INTO THE ST PAUL
...PETTIGREW...AND KINGSTON AREAS BY 355 PM.  THIS STORM HAS A
HISTORY OF PRODUCING NICKEL SIZE HAIL AS IT CROSSED THE MULBERRY
AREA OF CRAWFORD COUNTY ARKANSAS SHORTLY BEFORE 330 PM.
 
DAMAGING WINDS WITH GUSTS UP TO 65 MPH WILL OCCUR WITH THIS LINE OF
THUNDERSTORMS...IN ADDITION TO HAIL UP TO THE SIZE OF QUARTERS.
 
IF YOU ARE IN THE PATH OF THESE STORMS SEEK SHELTER
IMMEDIATELY IN THE LOWEST FLOOR vOF 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.
 
 
 
&

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 3:02 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	28 min
Mar 2, 3:11 PM CST	Severe Thunderstorm Warning	TSA	Crawford	34 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 1997 Every 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.