Alert archive / Arkansas / Tornado Warnings in 2002

Tornado Warning 3, NWS Tulsa, OK

May 1, 2002Benton County, Arkansas

NWS Tulsa, OK issued this tornado warning at May 1, 2002, 8:44 PM CDT for Benton County, Arkansas. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 1, 2002, 8:44 PM CDT (01:44 UTC)
Expired: May 1, 2002, 9:15 PM CDT
In force: 31 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

County Benton County, AR

The radar

The Tulsa radar (KINX), 108 km from the middle of the area, began a volume at 01:48 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 1.7 hours before the alert went out and 86 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: 1175 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 1882 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KTSA 020144
TORTUL
ARC007-020215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
843 PM CDT WED MAY 1 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR
  BENTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 915 PM CDT

* AT 842 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM      
  WITH STRONG ROTATION 2 MILES EAST OF SILOAM SPRINGS...MOVING EAST  
  AT 25 MPH. THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY     
  TIME.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BENTONVILLE...
  SILOAM SPRINGS...ROGERS...LOWELL...GENTRY...SPRINGTOWN...HIGHFILL
  AND CAVE SPRINGS.

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW IF NO
UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE
LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE
SUBSTANTIAL SHELTER. AVOID WINDOWS

LAT...LON 3626 9464 3617 9460 3625 9395 3642 9401

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 8:29 PM CDT	Severe Thunderstorm Warning	TSA	Benton	46 min
May 1, 8:54 PM CDT	Severe Thunderstorm Warning	TSA	Carroll	51 min
May 1, 9:00 PM CDT	Tornado Warning	TSA	Washington	45 min
May 1, 9:12 PM CDT	Severe Thunderstorm Warning	TSA	Benton	33 min
May 1, 9:33 PM CDT	Tornado Warning	TSA	Madison	42 min
May 1, 10:44 PM CDT	Severe Thunderstorm Warning	TSA	Madison, Washington	46 min
May 2, 1:15 AM CDT	Severe Thunderstorm Warning	TSA	Washington	45 min
May 2, 1:38 AM CDT	Tornado Warning	TSA	Washington	37 min
May 2, 1:55 AM CDT	Severe Thunderstorm Warning	TSA	Madison	50 min
May 2, 2:03 AM CDT	Tornado Warning	TSA	Madison	42 min

Nearby

Tornado Warnings in Arkansas, 2002 Every tornado warning in 2002 Tornadoes in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.