Alert archive / Nebraska / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 368

June 1, 2002Logan County, Phillips County, Sedgwick County, Colorado; 5 counties in Kansas; 45 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jun 1, 2002, 5:00 PM MDT for Logan County, Phillips County, Sedgwick County, Colorado; 5 counties in Kansas; 45 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: Jun 1, 2002, 5:00 PM MDT (23:00 UTC)
Expired: Jun 1, 2002, 11:00 PM MDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 53 counties

Logan County, CO, Phillips County, CO, Sedgwick County, CO, Decatur County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Smith County, KS, Adams County, NE, Arthur County, NE, Banner County, NE, Blaine County, NE, Box Butte County, NE, Buffalo County, NE, Chase County, NE, Cheyenne County, NE, Custer County, NE, Dawes County, NE, Dawson County, NE, Deuel County, NE, Dundy County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garden County, NE, Garfield County, NE, Gosper County, NE, Grant County, NE, Greeley County, NE, Hall County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Howard County, NE, Kearney County, NE, Keith County, NE, Kimball County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Phelps County, NE, Red Willow County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sherman County, NE, Sioux County, NE, Thomas County, NE, Valley County, NE, Webster County, NE

The radar

The North Platte radar (KLNX), 110 km from the middle of the area, began a volume at 22:59 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

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

Issued	Product	Office	Counties	Lasted
Jun 1, 5:43 PM MDT	Severe Thunderstorm Warning	CYS	Kimball	32 min
Jun 1, 6:05 PM MDT	Severe Thunderstorm Warning	CYS	Banner	40 min
Jun 1, 6:37 PM MDT	Severe Thunderstorm Warning	CYS	Scotts Bluff	38 min
Jun 1, 7:26 PM MDT	Severe Thunderstorm Warning	BOU	Logan	34 min
Jun 1, 7:53 PM MDT	Severe Thunderstorm Warning	LBF	Garden	52 min

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.0 hours before the alert went out and 114 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: 532 J/kg
Mixed-layer CIN: -579 J/kg
Mixed-layer LCL: 1937 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: -48 m²/s²
0-3 km storm-relative helicity: 8 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

Nearby

Severe Thunderstorm Watches in Nebraska, 2002 Severe Thunderstorm Watches in Kansas, 2002 Severe Thunderstorm Watches in Colorado, 2002 Every severe thunderstorm watch in 2002

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.