Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 91, NWS Tulsa, OK

April 20, 2000Benton County, Washington County, Arkansas

NWS Tulsa, OK issued this severe thunderstorm warning at Apr 20, 2000, 12:58 AM CDT for Benton County, Washington County, Arkansas. It was in force for 62 min. 5 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
Apr 20, 2000, 12:58 AM CDT (05:58 UTC)
Expired
Apr 20, 2000, 2:00 AM CDT
In force
62 min
Issued by
NWS Tulsa, OK
Area
Whole counties

Counties Benton County, AR, Washington County, AR

The radar

The Western Arkansas radar (KSRX), 97 km from the middle of the area, began a volume at 06:01 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

TimeReportWhereRemark
Apr 20, 1:04 AM CDTThunderstorm WindCincinnati, ARThunderstorm winds destroyed a porch and blew the roof off a garage. Trees were also blown down.
Apr 20, 1:30 AM CDTThunderstorm WindFayetteville, ARThunderstorm winds blew a semi truck over.
Apr 20, 1:30 AM CDTThunderstorm WindRogers, ARThunderstorm winds blew a tree onto a house.
Apr 20, 1:32 AM CDTThunderstorm WindBentonville, ARThunderstorm winds blew down several power poles causing a power outage for hundreds of customers.
Apr 20, 1:45 AM CDTThunderstorm Wind 52 EWinslow, 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.

IssuedProductOfficeLasted
Apr 20, 12:30 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 6.0 hours before the alert went out and 91 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-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 2000-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1428 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1428 J/kg
Mixed-layer CIN
-113 J/kg
Mixed-layer LCL
1062 m above ground
0-6 km bulk shear
54 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
247 m²/s²
Significant tornado parameter
1.2
Supercell composite
12.7

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KTSA 200559
SVRTUL
ARC007-143-200700-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TULSA OK
1258 AM CDT THU APR 20 2000

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR
  BENTON COUNTY IN NORTHWEST ARKANSAS
  WASHINGTON COUNTY IN NORTHWEST ARKANSAS

* UNTIL 200 AM CDT

* AT 1258 AM CDT SEVERE THUNDERSTORMS CAPABLE OF PRODUCING WINDS UP
  TO 65 MPH WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES
  WEST OF SOUTH WEST CITY TO 4 MILES EAST OF COLCORD TO BARON...
  MOVING EAST AT 50 MPH.

* SOME LOCATIONS AFFECTED INCLUDE...  TONTITOWN...CINCINNATI...
  GREENLAND...FARMINGTON...ELKINS...PRAIRIE GROVE...LINCOLN...WEST
  FORK...SPRINGDALE...FAYETTEVILLE...GARFIELD...BELLA VISTA...
  HIWASSE...DECATUR...WAR EAGLE...CAVE SPRINGS...HIGHFILL...
  SPRINGTOWN...GATEWAY...PEA RIDGE...GRAVETTE...MAYSVILLE...GENTRY...
  LOWELL...ROGERS...SILOAM SPRIN9GS AND BENTONVILLE

CALL 1-800-722-2778 TO REPORT SEVERE WEATHER TO THE NATIONAL WEATHER 
SERVICE.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 1:21 AM CDTSevere Thunderstorm WarningTSACrawford54 min
Apr 20, 1:37 AM CDTSevere Thunderstorm WarningTSACarroll, Madison38 min
Apr 20, 2:00 AM CDTSevere Thunderstorm WarningTSAFranklin45 min
Apr 20, 2:14 AM CDTSevere Thunderstorm WarningTSAMadison31 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2000Every 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.