Alert archive / Kansas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 121

April 10, 20018 counties in Colorado; 24 counties in Kansas; Beaver County, Cimarron County, Texas County, Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Apr 10, 2001, 7:30 PM MDT for 8 counties in Colorado; 24 counties in Kansas; Beaver County, Cimarron County, Texas County, Oklahoma. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Apr 10, 2001, 7:30 PM MDT (01:30 UTC)
Expired: Apr 11, 2001, 12:00 AM MDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 35 counties

Baca County, CO, Bent County, CO, Cheyenne County, CO, Kiowa County, CO, Kit Carson County, CO, Prowers County, CO, Washington County, CO, Yuma County, CO, Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Wallace County, KS, Wichita County, KS, Beaver County, OK, Cimarron County, OK, Texas County, OK

The radar

The Goodland radar (KGLD), 91 km from the middle of the area, began a volume at 01:33 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.

Warnings issued inside it

15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
Apr 10, 7:31 PM MDT	Severe Thunderstorm Warning	AMA	Cimarron	44 min
Apr 10, 7:45 PM MDT	Severe Thunderstorm Warning	PUB	Baca	60 min
Apr 10, 7:45 PM MDT	Severe Thunderstorm Warning	DDC	Grant, Morton, Stanton, Stevens	75 min
Apr 10, 8:05 PM MDT	Severe Thunderstorm Warning	DDC	Hamilton, Kearny	55 min
Apr 10, 8:37 PM MDT	Severe Thunderstorm Warning	GLD	Gove	38 min
Apr 10, 8:50 PM MDT	Severe Thunderstorm Warning	DDC	Lane, Scott	55 min
Apr 10, 9:02 PM MDT	Severe Thunderstorm Warning	DDC	Morton, Stanton, Stevens	58 min
Apr 10, 9:02 PM MDT	Severe Thunderstorm Warning	DDC	Grant	58 min
Apr 10, 9:14 PM MDT	Severe Thunderstorm Warning	DDC	Finney, Lane, Scott	61 min
Apr 10, 9:14 PM MDT	Tornado Warning	GLD	Gove	46 min
Apr 10, 9:49 PM MDT	Severe Thunderstorm Warning	GLD	Sheridan	41 min
Apr 10, 10:06 PM MDT	Severe Thunderstorm Warning	AMA	Beaver, Texas	54 min
Apr 10, 10:37 PM MDT	Severe Thunderstorm Warning	AMA	Beaver	68 min
Apr 10, 10:45 PM MDT	Severe Thunderstorm Warning	DDC	Meade	60 min
Apr 10, 11:18 PM MDT	Tornado Warning	AMA	Beaver	27 min

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.5 hours before the alert went out and 157 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: 27 J/kg
Mixed-layer CIN: -126 J/kg
Mixed-layer LCL: 2242 m above ground
0-6 km bulk shear: 66 kt
0-1 km storm-relative helicity: 205 m²/s²
0-3 km storm-relative helicity: 327 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.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 10, 9:15 PM MDT	Severe Thunderstorm Watch	SPC	Ellis, Graham, Hodgeman, Jewell, Mitchell, Ness and 9 more	6 hr
Apr 10, 11:00 PM MDT	Tornado Watch	SPC	Barber, Barton, Clark, Cloud, Comanche, Edwards and 20 more	4 hr
Apr 11, 1:00 AM MDT	Tornado Watch	SPC	Atchison, Brown, Clay, Dickinson, Douglas, Franklin and 12 more	5 hr
Apr 11, 2:15 AM MDT	Tornado Watch	SPC	Allen, Anderson, Butler, Chase, Chautauqua, Coffey and 13 more	5 hr
Apr 11, 3:00 AM MDT	Severe Thunderstorm Watch	SPC	Doniphan	5 hr
Apr 11, 8:30 AM MDT	Tornado Watch	SPC	Doniphan, Johnson, Leavenworth, Miami, Wyandotte	6 hr
Apr 10, 8:30 PM MDT	Tornado Watch	SPC	Caddo, Comanche, Cotton, Grady, Jefferson, Stephens and 1 more	6 hr
Apr 11, 5:15 AM MDT	Tornado Watch	SPC	Adair, Cherokee, Choctaw, Craig, Delaware, Haskell and 8 more	6 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2001 Severe Thunderstorm Watches in Colorado, 2001 Severe Thunderstorm Watches in Oklahoma, 2001 Every severe thunderstorm watch 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.