Alert archive / Kansas / Severe Thunderstorm Watches in 2001

Severe Thunderstorm Watch 495

July 1, 20014 counties in Colorado; 6 counties in Kansas; Chase County, Dundy County, Hitchcock County, Nebraska

The Storm Prediction Center issued this severe thunderstorm watch at Jul 1, 2001, 5:00 PM MDT for 4 counties in Colorado; 6 counties in Kansas; Chase County, Dundy County, Hitchcock County, Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 1, 2001, 5:00 PM MDT (23:00 UTC)
Expired
Jul 1, 2001, 10:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Kit Carson County, CO, Phillips County, CO, Sedgwick County, CO, Yuma County, CO, Cheyenne County, KS, Logan County, KS, Rawlins County, KS, Sherman County, KS, Thomas County, KS, Wallace County, KS, Chase County, NE, Dundy County, NE, Hitchcock County, NE

The radar

The Goodland radar (KGLD), 86 km from the middle of the area, began a volume at 23:04 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

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

IssuedProductOfficeCountiesLasted
Jul 1, 5:25 PM MDTTornado WarningBOULogan, Phillips, Sedgwick50 min
Jul 1, 5:27 PM MDTSevere Thunderstorm WarningGLDYuma63 min
Jul 1, 5:41 PM MDTTornado WarningGLDYuma64 min
Jul 1, 6:36 PM MDTSevere Thunderstorm WarningBOULogan, Phillips24 min
Jul 1, 7:02 PM MDTSevere Thunderstorm WarningGLDYuma58 min
Jul 1, 7:48 PM MDTSevere Thunderstorm WarningGLDKit Carson57 min
Jul 1, 8:01 PM MDTSevere Thunderstorm WarningGLDYuma44 min
Jul 1, 8:42 PM MDTSevere Thunderstorm WarningGLDKit Carson63 min
Jul 1, 9:44 PM MDTSevere Thunderstorm WarningGLDSherman61 min
Jul 1, 9:57 PM MDTSevere Thunderstorm WarningGLDLogan, Wallace48 min

The nearest sounding before it

Denver, CO (KDNR), launched 12:00Z, 11.0 hours before the alert went out and 108 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, Denver, CO at 12:00Z on 2001-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 6 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2001-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
6 J/kg
Mixed-layer CIN
-563 J/kg
Mixed-layer LCL
2713 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
25 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
Jul 1, 4:00 PM MDTSevere Thunderstorm WatchSPCArthur, Banner, Box Butte, Deuel, Frontier, Garden and 10 more5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2001Severe Thunderstorm Watches in Colorado, 2001Severe Thunderstorm Watches in Nebraska, 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; radar from the NEXRAD Level II archive.