Alert archive / Kansas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 157

April 20, 200119 counties in Kansas

The Storm Prediction Center issued this severe thunderstorm watch at Apr 20, 2001, 6:45 PM CDT for 19 counties in Kansas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Apr 20, 2001, 6:45 PM CDT (23:45 UTC)
Expired
Apr 20, 2001, 9:00 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center

Counties Barton County, KS, Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Ellsworth County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Stafford County, KS

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 20, 7:07 PM CDTSevere Thunderstorm WarningICTRussell53 min
Apr 20, 7:12 PM CDTSevere Thunderstorm WarningGIDOsborne, Smith63 min
Apr 20, 7:36 PM CDTSevere Thunderstorm WarningICTBarton54 min
Apr 20, 7:37 PM CDTSevere Thunderstorm WarningDDCRush23 min
Apr 20, 7:50 PM CDTSevere Thunderstorm WarningGIDJewell, Mitchell55 min
Apr 20, 7:54 PM CDTSevere Thunderstorm WarningICTEllsworth, Lincoln66 min
Apr 20, 7:59 PM CDTSevere Thunderstorm WarningDDCPawnee46 min
Apr 20, 7:59 PM CDTSevere Thunderstorm WarningICTRussell31 min
Apr 20, 8:08 PM CDTSevere Thunderstorm WarningTOPCloud, Ottawa, Republic47 min
Apr 20, 8:31 PM CDTSevere Thunderstorm WarningICTBarton29 min
Apr 20, 8:40 PM CDTTornado WarningICTBarton, Ellsworth35 min
Apr 20, 8:51 PM CDTSevere Thunderstorm WarningTOPClay, Cloud, Ottawa49 min
Apr 20, 8:52 PM CDTSevere Thunderstorm WarningICTSaline53 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.8 hours before the alert went out and 173 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, Dodge City, at 12:00Z on 2001-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dodge City, at 12:00Z on 2001-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.1939587897117Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3628 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
376 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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 20, 4:00 PM CDTSevere Thunderstorm WatchSPCDecatur, Graham, Jewell, Norton, Osborne, Phillips and 5 more5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 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.