Alert archive / Kansas / Severe Thunderstorm Watches in 2002

Severe Thunderstorm Watch 281

May 11, 200217 counties in Kansas; 7 counties in Oklahoma; Lipscomb County, Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 11, 2002, 1:00 AM CDT for 17 counties in Kansas; 7 counties in Oklahoma; Lipscomb County, Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 11, 2002, 1:00 AM CDT (06:00 UTC)
Expired
May 11, 2002, 6:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 25 counties

Barber County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ford County, KS, Gray County, KS, Harper County, KS, Haskell County, KS, Hodgeman County, KS, Kingman County, KS, Kiowa County, KS, Meade County, KS, Pawnee County, KS, Pratt County, KS, Seward County, KS, Stafford County, KS, Stevens County, KS, Alfalfa County, OK, Beaver County, OK, Ellis County, OK, Harper County, OK, Roger Mills County, OK, Woods County, OK, Woodward County, OK, Lipscomb County, TX

The radar

The Dodge City radar (KDDC), 72 km from the middle of the area, began a volume at 06:04 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
May 11, 1:14 AM CDTSevere Thunderstorm WarningDDCGrant, Haskell46 min
May 11, 1:30 AM CDTSevere Thunderstorm WarningAMABeaver30 min
May 11, 1:39 AM CDTSevere Thunderstorm WarningDDCFinney, Gray51 min

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 6.0 hours before the alert went out and 73 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 2002-05-11Temperature 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 00:00Z on 2002-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 305 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
305 m²/s²
0-3 km storm-relative helicity
368 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 11, 2:30 PM CDTTornado WatchSPCBarber, Barton, Clark, Clay, Cloud, Comanche and 29 more6 hr
May 10, 10:45 PM CDTTornado WatchSPCCotton, Tillman4 hr
May 11, 6:00 PM CDTTornado WatchSPCEllis, Harper, Roger Mills, Woods, Woodward5 hr
May 10, 8:00 PM CDTSevere Thunderstorm WatchSPCBailey, Briscoe, Castro, Childress, Cochran, Collingsworth and 17 more5 hr
May 10, 11:00 PM CDTSevere Thunderstorm WatchSPCArmstrong, Carson, Collingsworth, Dallam, Deaf Smith, Donley and 14 more5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2002Severe Thunderstorm Watches in Oklahoma, 2002Severe Thunderstorm Watches in Texas, 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.