Alert archive / Kansas / Tornado Warnings in 2001

Tornado Warning 49, NWS Wichita, KS

September 17, 2001Butler County, Kansas

NWS Wichita, KS issued this tornado warning at Sep 17, 2001, 6:39 PM CDT for Butler County, Kansas. It was in force for 51 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: Sep 17, 2001, 6:39 PM CDT (23:39 UTC)
Expired: Sep 17, 2001, 7:30 PM CDT
In force: 51 min
Issued by: NWS Wichita, KS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Butler County, KS

The radar

The Wichita radar (KICT), 75 km from the middle of the area, began a volume at 23:40 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
Sep 17, 6:45 PM CDT	Hail 0.75	Rosalia, KS

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
Sep 17, 6:15 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 11.7 hours before the alert went out and 152 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: 677 J/kg
Mixed-layer CIN: -143 J/kg
Mixed-layer LCL: 934 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 117 m²/s²
0-3 km storm-relative helicity: 182 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.

807 
WFUS53 KICT 172339
TORICT
KSC015-180030-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE WICHITA KS
639 PM CDT MON SEP 17 2001

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* TORNADO WARNING FOR...
  BUTLER COUNTY IN SOUTH CENTRAL KANSAS

* UNTIL 730 PM CDT

* AT 639 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM WITH STRONG ROTATION 13 MILES EAST OF EL
  DORADO...OR 12 MILES NORTHEAST OF LEON...MOVING EAST AT 15 MPH.
  THIS STORM COULD PRODUCE A TORNADO AT ANY TIME.

* THE SEVERE THUNDERSTORM WILL BE
  NEAR ROSALIA AND
  OVER RURAL AREAS OF BUTLER COUNTY

THIS REPLACES THE SEVERE THUNDERSTORM WARNING PREVIOUSLY ISSUED FOR
THE WARNED AREA.

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

REPEATING...A TORNADO WARNING HAS BEEN ISSUED FOR BUTLER COUNTY UNTIL
730 PM CDT.

LAT...LON 3785 9665 3776 9670 3771 9653 3783 9653

/CARUSO

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 17, 3:45 PM CDT	Severe Thunderstorm Warning	ICT	Rice	60 min
Sep 17, 4:43 PM CDT	Tornado Warning	ICT	Rice	32 min
Sep 17, 5:08 PM CDT	Severe Thunderstorm Warning	ICT	Butler	67 min
Sep 17, 5:08 PM CDT	Tornado Warning	ICT	McPherson	67 min
Sep 17, 5:16 PM CDT	Severe Thunderstorm Warning	ICT	Rice	14 min
Sep 17, 5:32 PM CDT	Severe Thunderstorm Warning	ICT	Russell	58 min
Sep 17, 6:02 PM CDT	Tornado Warning	ICT	Harvey, Reno	58 min
Sep 17, 6:09 PM CDT	Severe Thunderstorm Warning	ICT	Butler	66 min
Sep 17, 6:51 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	54 min
Sep 17, 6:57 PM CDT	Severe Thunderstorm Warning	ICT	Harvey	63 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.