Alert archive / Kansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 185

April 29, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at Apr 29, 2003, 7:45 PM MDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Apr 29, 2003, 7:45 PM MDT (01:45 UTC)
Expired: Apr 30, 2003, 1:00 AM MDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 60 counties

Cheyenne County, CO, El Paso County, CO, Elbert County, CO, Kit Carson County, CO, Lincoln County, CO, Washington County, CO, Yuma County, CO, Brown County, KS, Cheyenne County, KS, Clay County, KS, Cloud County, KS, Decatur County, KS, Dickinson County, KS, Ellis County, KS, Geary County, KS, Gove County, KS, Graham County, KS, Jackson County, KS, Jewell County, KS, Lincoln County, KS, Logan County, KS, Marshall County, KS, Mitchell County, KS, Nemaha County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Pottawatomie County, KS, Rawlins County, KS, Republic County, KS, Riley County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Washington County, KS, Atchison County, MO, Holt County, MO, Nodaway County, MO, Dundy County, NE, Franklin County, NE, Furnas County, NE, Gage County, NE, Harlan County, NE, Hitchcock County, NE, Jefferson County, NE, Johnson County, NE, Nemaha County, NE, Nuckolls County, NE, Pawnee County, NE, Red Willow County, NE, Richardson County, NE, Thayer County, NE, Webster County, NE

The radar

The Goodland radar (KGLD), 77 km from the middle of the area, began a volume at 01:45 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 29, 8:00 PM MDT	Severe Thunderstorm Warning	BOU	Washington	60 min
Apr 29, 8:29 PM MDT	Severe Thunderstorm Warning	BOU	Arapahoe, Elbert	46 min
Apr 29, 8:43 PM MDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	47 min
Apr 29, 9:01 PM MDT	Severe Thunderstorm Warning	BOU	Washington	29 min
Apr 29, 9:07 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	68 min
Apr 29, 9:13 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln, Washington	62 min
Apr 29, 9:26 PM MDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	64 min
Apr 29, 9:27 PM MDT	Tornado Warning	BOU	Washington	48 min
Apr 29, 9:54 PM MDT	Severe Thunderstorm Warning	GID	Thayer	66 min
Apr 29, 10:13 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	62 min
Apr 29, 10:29 PM MDT	Severe Thunderstorm Warning	GLD	Cheyenne	61 min
Apr 29, 10:58 PM MDT	Severe Thunderstorm Warning	GID	Thayer	62 min
Apr 29, 11:27 PM MDT	Severe Thunderstorm Warning	GLD	Dundy	63 min
Apr 29, 11:50 PM MDT	Severe Thunderstorm Warning	GLD	Hitchcock	70 min
Apr 29, 11:53 PM MDT	Severe Thunderstorm Warning	GLD	Yuma	67 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.8 hours before the alert went out and 188 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: 92 J/kg
Mixed-layer CIN: -81 J/kg
Mixed-layer LCL: 656 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 82 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 29, 9:29 PM MDT	Mesoscale Discussion	SPC	Cheyenne, Elbert, El Paso, Kit Carson, Lincoln, Phillips and 1 more	2 hr
Apr 30, 2:28 PM MDT	Mesoscale Discussion	SPC	Adams, Arapahoe, Broomfield, Cheyenne, Denver, Elbert and 2 more	92 min
Apr 29, 6:56 PM MDT	Mesoscale Discussion	SPC	Clay, Cloud, Decatur, Graham, Jewell, Mitchell and 10 more	2 hr
Apr 30, 12:22 AM MDT	Mesoscale Discussion	SPC	Decatur, Norton, Phillips, Rawlins	113 min
Apr 30, 12:49 AM MDT	Mesoscale Discussion	SPC	Decatur, Norton, Phillips, Rawlins	116 min
Apr 30, 1:49 PM MDT	Mesoscale Discussion	SPC	Atchison, Brown, Clay, Dickinson, Doniphan, Geary and 13 more	116 min
Apr 30, 4:15 PM MDT	Tornado Watch	SPC	Doniphan, Johnson, Leavenworth, Wyandotte	6 hr
Apr 30, 5:29 PM MDT	Mesoscale Discussion	SPC	Butler, Chase, Coffey, Cowley, Elk, Franklin and 11 more	91 min
Apr 29, 6:00 PM MDT	Mesoscale Discussion	SPC	Atchison, Nodaway	3 hr
Apr 29, 6:30 PM MDT	Severe Thunderstorm Watch	SPC	Atchison, Holt, Nodaway	7 hr
Apr 29, 9:40 PM MDT	Mesoscale Discussion	SPC	Atchison, Holt, Nodaway	2 hr
Apr 30, 11:22 AM MDT	Mesoscale Discussion	SPC	Clark, Lewis, Lincoln, Marion, Pike, Ralls and 3 more	113 min

Nearby

Severe Thunderstorm Watches in Kansas, 2003 Severe Thunderstorm Watches in Nebraska, 2003 Severe Thunderstorm Watches in Colorado, 2003 Every severe thunderstorm watch in 2003

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.