Alert archive / Oklahoma / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 472

June 20, 200018 counties in Kansas; 28 counties in Oklahoma; 15 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jun 20, 2000, 7:30 PM CDT for 18 counties in Kansas; 28 counties in Oklahoma; 15 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 20, 2000, 7:30 PM CDT (00:30 UTC)
Expired
Jun 21, 2000, 1:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 61 counties

Allen County, KS, Anderson County, KS, Barber County, KS, Butler County, KS, Chautauqua County, KS, Comanche County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Kingman County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Alfalfa County, OK, Beaver County, OK, Beckham County, OK, Blaine County, OK, Craig County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Kingfisher County, OK, Logan County, OK, Major County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Roger Mills County, OK, Rogers County, OK, Texas County, OK, Tulsa County, OK, Washington County, OK, Woods County, OK, Woodward County, OK, Armstrong County, TX, Carson County, TX, Donley County, TX, Gray County, TX, Hansford County, TX, Hemphill County, TX, Hutchinson County, TX, Lipscomb County, TX, Moore County, TX, Ochiltree County, TX, Potter County, TX, Randall County, TX, Roberts County, TX, Sherman County, TX, Wheeler County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:43 PM CDTSevere Thunderstorm WarningAMADonley62 min
Jun 21, 12:16 AM CDTSevere Thunderstorm WarningAMATexas59 min
Jun 21, 12:58 AM CDTFlash Flood WarningTSAOsage3 hr

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 0.5 hours before the alert went out and 153 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 00:00Z on 2000-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 101 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, Dodge City, at 00:00Z on 2000-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 square meters per square second.1939587897Sfc1 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
101 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
2648 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
153 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
Jun 20, 11:00 PM CDTSevere Thunderstorm WatchSPCBarber, Clark, Comanche, Ford, Grant, Gray and 7 more6 hr

Nearby

Severe Thunderstorm Watches in Oklahoma, 2000Severe Thunderstorm Watches in Kansas, 2000Severe Thunderstorm Watches in Texas, 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.