Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 67, NWS Tulsa, OK

March 26, 2000Franklin County, Madison County, Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Mar 26, 2000, 5:45 PM CST for Franklin County, 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 the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued: Mar 26, 2000, 5:45 PM CST (23:45 UTC)
Expired: Mar 26, 2000, 6:45 PM CST
In force: 60 min
Issued by: NWS Tulsa, OK
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Franklin County, AR, Madison County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 59 km from the middle of the area, began a volume at 23:33 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.

What was reported inside it

Time	Report	Where	Remark
Mar 26, 5:50 PM CST	Hail 0.75	Alma, 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
Mar 26, 4:00 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.8 hours before the alert went out and 131 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: 4 J/kg
Mixed-layer CIN: -239 J/kg
Mixed-layer LCL: 1224 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 43 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 262347
SVRTUL
ARC047-087-143-270045-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
545 PM CST SUN MAR 26 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  SOUTHERN MADISON COUNTY IN NORTHWEST ARKANSAS
  SOUTHEASTERN WASHINGTON COUNTY IN NORTHWEST ARKANSAS
  FRANKLIN COUNTY IN WEST CENTRAL ARKANSAS

* UNTIL 645 PM CST

* AT 545 PM CST SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP TO
  75 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 2 MILES
  SOUTHEAST OF WEST FORK TO 5 MILES SOUTHWEST OF BLACKBURN TO
  CEDARVILLE...MOVING EAST AT 40 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...  LEE CREEK...RUDY...FIGURE
  FIVE...DYER...CHESTER...NATURAL DAM...CEDARVILLE...ALMA...
  MOUNTAINBURG...GREENLAND...BRENTWOOD...BLACKBURN...WEST FORK...
  WINSLOW...BOSTON...PETTIGREW...ST PAUL...WIEDERKEHR VILLAGE...
  CASS...FERN...ALTUS..	.MULBERRY AND OZARK

  PEOPLE IN THE PATH OF THESE STORMS SHOULD BE PREPARED TO GET TO    
  SAFE SHELTER.

LAT...LON 3602 9418 3578 9433 3554 9450 3538 9382
          3556 9358 3586 9349

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 5:00 PM CST	Severe Thunderstorm Warning	TSA	Washington	45 min
Mar 26, 5:21 PM CST	Severe Thunderstorm Warning	TSA	Crawford	39 min
Mar 26, 5:25 PM CST	Tornado Warning	TSA	Crawford	50 min
Mar 26, 5:34 PM CST	Severe Thunderstorm Warning	TSA	Sebastian	41 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 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; radar from the NEXRAD Level II archive.