Alert archive / Kansas / Tornado Warnings in 2001

Tornado Warning 7, NWS Wichita, KS

April 20, 2001Barton County, Ellsworth County, Kansas

NWS Wichita, KS issued this tornado warning at Apr 20, 2001, 8:40 PM CDT for Barton County, Ellsworth County, Kansas. It was in force for 35 min. No storm report in the archive falls 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.

The facts

Issued: Apr 20, 2001, 8:40 PM CDT (01:40 UTC)
Expired: Apr 20, 2001, 9:15 PM CDT
In force: 35 min
Issued by: NWS Wichita, KS
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Barton County, KS, Ellsworth County, KS

The radar

The Wichita radar (KICT), 139 km from the middle of the area, began a volume at 01:39 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 watch it was issued in

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

Issued	Product	Office	Lasted
Apr 20, 6:45 PM CDT	Severe Thunderstorm Watch	SPC	2 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.7 hours before the alert went out and 156 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: 568 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 3146 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 138 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KICT 210140
TORICT
KSC009-053-210215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WICHITA KS
840 PM CDT FRI APR 20 2001

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* TORNADO WARNING FOR...
  ELLSWORTH COUNTY IN CENTRAL KANSAS
  NORTHEAST BARTON COUNTY IN CENTRAL KANSAS

* UNTIL 915 PM CDT

* AT 840 PM CDT A TRAINED SPOTTER REPORTED A TORNADO 34 MILES EAST OF
  RUSSELL...OR 2 MILES SOUTHWEST OF ELLSWORTH. RADAR SHOWED THIS
  TORNADIC STORM MOVING EAST AT 45 MPH.

THIS IS A DANGEROUS STORM. MOVE INTO YOUR TORNADO SHELTER NOW

REPEATING...A TORNADO WARNING HAS BEEN ISSUED FOR ELLSWORTH AND 
NORTHEAST BARTON COUNTIES UNTIL 915 PM CDT.

LAT...LON 3854 9877 3854 9849 3859 9810 3881 9821

&

NNNN

The office that day

Everything else NWS Wichita, KS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 20, 7:07 PM CDT	Severe Thunderstorm Warning	ICT	Russell	53 min
Apr 20, 7:36 PM CDT	Severe Thunderstorm Warning	ICT	Barton	54 min
Apr 20, 7:54 PM CDT	Severe Thunderstorm Warning	ICT	Ellsworth, Lincoln	66 min
Apr 20, 7:59 PM CDT	Severe Thunderstorm Warning	ICT	Russell	31 min
Apr 20, 8:31 PM CDT	Severe Thunderstorm Warning	ICT	Barton	29 min
Apr 20, 8:52 PM CDT	Severe Thunderstorm Warning	ICT	Saline	53 min
Apr 20, 9:46 PM CDT	Severe Thunderstorm Warning	ICT	Saline	44 min
Apr 20, 11:43 PM CDT	Severe Thunderstorm Warning	ICT	Saline	47 min
Apr 21, 12:15 AM CDT	Severe Thunderstorm Warning	ICT	Ellsworth	45 min
Apr 21, 12:40 AM CDT	Severe Thunderstorm Warning	ICT	Saline	65 min

Nearby

Tornado Warnings in Kansas, 2001 Every tornado warning in 2001 Tornadoes in 2001

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.