Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 22, NWS Tulsa, OK

February 25, 2000Sebastian County, Arkansas; LeFlore County, Oklahoma

NWS Tulsa, OK issued this severe thunderstorm warning at Feb 25, 2000, 11:14 PM CST for Sebastian County, Arkansas; LeFlore County, Oklahoma. It was in force for 61 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 25, 2000, 11:14 PM CST (05:14 UTC)
Expired: Feb 26, 2000, 12:15 AM CST
In force: 61 min
Issued by: NWS Tulsa, OK
Area: Whole counties

Counties Sebastian County, AR, LeFlore County, OK

What was reported inside it

Time	Report	Where	Remark
Feb 25, 11:14 PM CST	Hail 0.75	Rock Is, OK
Feb 26, 12:25 AM CST	Hail 0.75	Whitesboro, OK

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 00:00Z, 5.2 hours before the alert went out and 215 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: 234 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 868 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 227 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 3.6

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 260515
SVRTUL
ARC131-OKC079-260615-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1114 PM CST FRI FEB 25 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LE FLORE COUNTY IN SOUTHEAST OKLAHOMA
  SEBASTIAN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 1215 AM CST

* AT 1114 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES SOUTH OF CAMERON...MOVING NORTHEAST AT
  35 MPH.

* SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...BLOOMER...
JENNY LIND...BONANZA...EXCELSIOR...BURNVILLE...MIDLAND...LAVACA...
BARLING...GREENWOOD...HACKETT...POCOLA AND CAMERON

HAIL TO THE SIZE OF DIMES AND WIND GUSTS TO 60 MPH CAN BE EXPECTED IN
THE WARNED AREA.

STAY TUNED TO THIS STATION FOR THE LATEST WEATHER INFORMATION.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 25, 11:22 PM CST	Tornado Warning	TSA	Sebastian	53 min
Feb 26, 1:51 AM CST	Severe Thunderstorm Warning	TSA	Benton	54 min
Feb 26, 12:15 AM CST	Severe Thunderstorm Warning	TSA	LeFlore	45 min
Feb 26, 1:01 AM CST	Severe Thunderstorm Warning	TSA	Latimer	44 min
Feb 26, 1:18 AM CST	Severe Thunderstorm Warning	TSA	LeFlore	42 min
Feb 26, 1:28 AM CST	Tornado Warning	TSA	LeFlore	32 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2000 Severe Thunderstorm Warnings in Oklahoma, 2000 Every severe thunderstorm warning in 2000

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.