Alert archive / Kansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 547

July 28, 200228 counties in Kansas; Beaver County, Cimarron County, Texas County, Oklahoma; 8 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Jul 28, 2002, 6:05 PM CDT for 28 counties in Kansas; Beaver County, Cimarron County, Texas County, Oklahoma; 8 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jul 28, 2002, 6:05 PM CDT (23:05 UTC)
Expired
Jul 29, 2002, 12:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 39 counties

Cheyenne County, KS, Decatur County, KS, Finney County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Morton County, KS, Ness County, KS, Norton County, KS, Rawlins County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Beaver County, OK, Cimarron County, OK, Texas County, OK, Dallam County, TX, Hansford County, TX, Hartley County, TX, Hutchinson County, TX, Moore County, TX, Ochiltree County, TX, Roberts County, TX, Sherman County, TX

The radar

The Dodge City radar (KDDC), 139 km from the middle of the area, began a volume at 23:08 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

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

IssuedProductOfficeCountiesLasted
Jul 28, 6:50 PM CDTSevere Thunderstorm WarningAMASherman70 min
Jul 28, 8:24 PM CDTSevere Thunderstorm WarningAMAHansford36 min
Jul 28, 8:44 PM CDTSevere Thunderstorm WarningDDCStanton46 min
Jul 28, 9:30 PM CDTSevere Thunderstorm WarningDDCStanton30 min
Jul 28, 10:53 PM CDTSevere Thunderstorm WarningAMABeaver67 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 11.1 hours before the alert went out and 145 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 2002-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 375 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 12:00Z on 2002-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 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
375 J/kg
Mixed-layer CIN
-184 J/kg
Mixed-layer LCL
1494 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 28, 4:50 PM CDTTornado WatchSPCBarton, Clay, Cloud, Dickinson, Ellsworth, Jewell and 14 more5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2002Severe Thunderstorm Watches in Texas, 2002Severe Thunderstorm Watches in Oklahoma, 2002Every severe thunderstorm watch in 2002

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.