Alert archive / Kansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 99, NWS Wichita, KS

May 6, 2001Cowley County, Kansas

NWS Wichita, KS issued this severe thunderstorm warning at May 6, 2001, 6:28 PM CDT for Cowley County, Kansas. It was in force for 47 min. 1 report 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: May 6, 2001, 6:28 PM CDT (23:28 UTC)
Expired: May 6, 2001, 7:15 PM CDT
In force: 47 min
Issued by: NWS Wichita, KS
Area: Whole counties

County Cowley County, KS

The radar

The Wichita radar (KICT), 71 km from the middle of the area, began a volume at 23:31 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
May 6, 6:37 PM CDT	Hail 0.75	Silverdale, 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
May 6, 2:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 11.5 hours before the alert went out and 89 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: 974 J/kg
Mixed-layer CIN: -97 J/kg
Mixed-layer LCL: 677 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 142 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KICT 062330
SVRICT
KSC035-070015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WICHITA KS
628 PM CDT SUN MAY 6 2001

THE NATIONAL WEATHER SERVICE IN WICHITA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COWLEY COUNTY IN SOUTH CENTRAL KANSAS

* UNTIL 715 PM CDT.

* AT 625 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM NEAR MAPLE CITY...OR ABOUT 15 MILES EAST     
  OF ARKANSAS CITY...MOVING EAST AT 15 MPH.

* SOME LOCATIONS NEAR THE PATH OF THE STORM THROUGH 715 PM CDT...    
  AREAS AROUND MAPLE CITY AND COWLEY STATE LAKE

THE SEVERE THUNDERSTORM IS CAPABLE OF PRODUCING
  HAIL UP TO THE SIZE OF DIMES...

STAY AWAY FROM WINDOWS. AVOID USING THE TELEPHONE OR OTHER ELECTRICAL
EQUIPMENT...WHILE LIGHTNING IS IN THE AREA.

REPEATING...A SEVERE THUNDERSTORM WARNING HAS BEEN ISSUED FOR COWLEY
COUNTY UNTIL 715 PM CDT.

LAT...LON 371D2 9683 3700 9682 3702 9656 3718 9655

/DARMOFAL

NNNN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 5, 7:06 PM CDT	Severe Thunderstorm Warning	ICT	Sumner	54 min
May 5, 7:17 PM CDT	Tornado Warning	ICT	Sumner	43 min
May 5, 7:37 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick	23 min
May 5, 7:59 PM CDT	Severe Thunderstorm Warning	ICT	Sedgwick, Sumner	46 min
May 5, 8:03 PM CDT	Severe Thunderstorm Warning	ICT	Butler	57 min
May 5, 9:14 PM CDT	Severe Thunderstorm Warning	ICT	Chase	61 min
May 6, 5:17 PM CDT	Severe Thunderstorm Warning	ICT	Woodson	43 min
May 6, 5:29 PM CDT	Severe Thunderstorm Warning	ICT	Greenwood	31 min
May 6, 5:46 PM CDT	Severe Thunderstorm Warning	ICT	Cowley	44 min
May 6, 5:57 PM CDT	Severe Thunderstorm Warning	ICT	Woodson	48 min

Nearby

Severe Thunderstorm Warnings in Kansas, 2001 Every severe thunderstorm warning 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.