Alert archive / Kansas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 685

August 22, 2001Bent County, Prowers County, Colorado; 25 counties in Kansas; 6 counties in Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Aug 22, 2001, 1:45 PM MDT for Bent County, Prowers County, Colorado; 25 counties in Kansas; 6 counties in Nebraska. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Aug 22, 2001, 1:45 PM MDT (19:45 UTC)
Expired
Aug 22, 2001, 8:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center
All 33 counties

Bent County, CO, Prowers County, CO, Decatur County, KS, Ellis County, KS, Finney County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Jewell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Franklin County, NE, Furnas County, NE, Harlan County, NE, Nuckolls County, NE, Thayer County, NE, Webster County, NE

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Aug 22, 1:54 PM MDTSevere Thunderstorm WarningDDCHamilton51 min

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 7.8 hours before the alert went out and 269 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-pSkew-T log-p diagram, N. Platte/Lee Bi, NE at 12:00Z on 2001-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 94 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, N. Platte/Lee Bi, NE at 12:00Z on 2001-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
94 J/kg
Mixed-layer CIN
-372 J/kg
Mixed-layer LCL
1844 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

Nearby

Severe Thunderstorm Watches in Kansas, 2001Severe Thunderstorm Watches in Nebraska, 2001Severe Thunderstorm Watches in Colorado, 2001Every 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.