Alert archive / Kansas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 609

July 21, 20005 counties in Colorado; 10 counties in Kansas; Cimarron County, Texas County, Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Jul 21, 2000, 10:00 PM MDT for 5 counties in Colorado; 10 counties in Kansas; Cimarron County, Texas County, Oklahoma. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Jul 21, 2000, 10:00 PM MDT (04:00 UTC)
Expired
Jul 22, 2000, 3:00 AM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Baca County, CO, Bent County, CO, Cheyenne County, CO, Kiowa County, CO, Prowers County, CO, Grant County, KS, Greeley County, KS, Hamilton County, KS, Kearny County, KS, Morton County, KS, Seward County, KS, Stanton County, KS, Stevens County, KS, Wallace County, KS, Wichita County, KS, Cimarron County, OK, Texas County, OK

The radar

The Pueblo radar (KPUX), 158 km from the middle of the area, began a volume at 04:04 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

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

IssuedProductOfficeCountiesLasted
Jul 21, 10:19 PM MDTSevere Thunderstorm WarningDDCKearny41 min
Jul 21, 10:42 PM MDTSevere Thunderstorm WarningDDCGrant, Haskell48 min
Jul 21, 11:11 PM MDTSevere Thunderstorm WarningDDCSeward49 min

The nearest sounding before it

Denver, CO (KDNR), launched 00:00Z, 4.0 hours before the alert went out and 223 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 00:00Z on 2000-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 941 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 00:00Z on 2000-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -69 square meters per square second.19395878Sfc1 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
941 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
3104 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
-69 m²/s²
0-3 km storm-relative helicity
-19 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.0

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 21, 9:00 PM MDTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Comanche, Decatur, Edwards and 28 more5 hr
Jul 21, 11:00 PM MDTSevere Thunderstorm WatchSPCAlfalfa, Atoka, Blaine, Caddo, Canadian, Carter and 36 more6 hr
Jul 22, 5:00 AM MDTSevere Thunderstorm WatchSPCAtoka, Bryan, Carter, Choctaw, Coal, Jefferson and 7 more5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2000Severe Thunderstorm Watches in Colorado, 2000Severe Thunderstorm Watches in Oklahoma, 2000Every severe thunderstorm watch in 2000

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.