Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 66, NWS Tulsa, OK

April 23, 2002Madison County, Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 23, 2002, 5:15 AM CDT for Madison County, Washington County, Arkansas. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 23, 2002, 5:15 AM CDT (10:15 UTC)
Expired: Apr 23, 2002, 6:15 AM CDT
In force: 60 min
Issued by: NWS Tulsa, OK
Area: Counties, with a storm outline in the text

Counties Madison County, AR, Washington County, AR

What was reported inside it

Time	Report	Where	Remark
Apr 23, 6:15 AM CDT	Hail 1	Witter, 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 23, 3:30 AM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 10.3 hours before the alert went out and 104 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: 2397 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 203 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.

600 
WUUS54 KTSA 231015
SVRTUL
ARC087-143-231115-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
513 AM CDT TUE APR 23 2002

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN MADISON COUNTY IN NORTHWEST ARKANSAS
  WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 615 AM CDT

* AT 513 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 4
  MILES SOUTHWEST OF ELKINS...MOVING SOUTHEAST AT 30 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
  ST PAUL...WESLEY...WITTER...FAYETTEVILLE...WINSLOW...AND           
  BRENTWOOD. 

HAIL TO THE SIZE OF DIMES CAN BE EXPECTED IN THE WARNED AREA. STAY 
INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3617 9454 3577 9449 3577 9356 3597 9349
          3617 9411

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 23, 3:13 AM CDT	Severe Thunderstorm Warning	TSA	Washington	32 min
Apr 23, 3:43 AM CDT	Severe Thunderstorm Warning	TSA	Madison, Washington	47 min
Apr 23, 3:58 AM CDT	Severe Thunderstorm Warning	TSA	Benton	47 min
Apr 23, 4:22 AM CDT	Severe Thunderstorm Warning	TSA	Madison, Washington	53 min
Apr 23, 6:12 AM CDT	Severe Thunderstorm Warning	TSA	Madison	48 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2002 Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.