Alert archive / Kansas / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 923

September 10, 200317 counties in Kansas; 6 counties in Oklahoma; 10 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Sep 10, 2003, 8:10 PM CDT for 17 counties in Kansas; 6 counties in Oklahoma; 10 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Sep 10, 2003, 8:10 PM CDT (01:10 UTC)
Expired
Sep 11, 2003, 1:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 33 counties

Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Ford County, KS, Gray County, KS, Hodgeman County, KS, Kiowa County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rush County, KS, Russell County, KS, Stafford County, KS, Trego County, KS, Beaver County, OK, Beckham County, OK, Ellis County, OK, Harper County, OK, Roger Mills County, OK, Woodward County, OK, Armstrong County, TX, Carson County, TX, Collingsworth County, TX, Donley County, TX, Gray County, TX, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Roberts County, TX, Wheeler County, TX

The radar

The Dodge City radar (KDDC), 146 km from the middle of the area, began a volume at 01:10 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

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

IssuedProductOfficeCountiesLasted
Sep 10, 8:18 PM CDTFlash Flood WarningAMACollingsworth, Wheeler3 hr
Sep 10, 8:48 PM CDTSevere Thunderstorm WarningOUNBeckham42 min
Sep 10, 8:59 PM CDTSevere Thunderstorm WarningAMACollingsworth, Wheeler61 min
Sep 10, 9:03 PM CDTFlash Flood WarningAMADonley, Gray3 hr
Sep 10, 9:26 PM CDTSevere Thunderstorm WarningDDCGray34 min
Sep 10, 9:37 PM CDTSevere Thunderstorm WarningDDCFord38 min
Sep 10, 9:41 PM CDTSevere Thunderstorm WarningAMADonley, Gray64 min
Sep 10, 9:44 PM CDTFlash Flood WarningOUNBeckham3 hr
Sep 10, 9:58 PM CDTSevere Thunderstorm WarningAMACollingsworth, Wheeler62 min
Sep 10, 10:50 PM CDTSevere Thunderstorm WarningDDCPawnee40 min
Sep 10, 11:10 PM CDTFlash Flood WarningAMACollingsworth, Wheeler4 hr
Sep 10, 11:18 PM CDTSevere Thunderstorm WarningAMADonley57 min
Sep 10, 11:28 PM CDTSevere Thunderstorm WarningOUNBeckham, Greer, Harmon32 min
Sep 10, 11:52 PM CDTFlash Flood WarningAMADonley, Gray4 hr
Sep 11, 12:15 AM CDTFlash Flood WarningOUNBeckham, Greer, Harmon3 hr
Sep 11, 12:19 AM CDTSevere Thunderstorm WarningOUNBeckham26 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Dodge City, (KDDC), launched 00:00Z, 1.2 hours before the alert went out and 148 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 2003-09-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1765 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 2003-09-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 148 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
1765 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
1212 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
148 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
1.7
Supercell composite
9.1

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 10, 7:55 PM CDTSevere Thunderstorm WatchSPCCloud, Graham, Jewell, Lincoln, Mitchell, Norton and 6 more5 hr
Sep 10, 11:05 PM CDTMesoscale DiscussionSPCCloud, Graham, Jewell, Mitchell, Norton, Osborne and 4 more115 min
Sep 10, 11:40 PM CDTMesoscale DiscussionSPCBarton, Clark, Comanche, Edwards, Ellis, Ford and 9 more2 hr
Sep 11, 2:15 AM CDTMesoscale DiscussionSPCClay, Dickinson, Geary, Harper, Harvey, Kingman and 7 more3 hr
Sep 11, 1:54 AM CDTMesoscale DiscussionSPCCuster, Jackson, Kiowa, Washita3 hr
Sep 11, 12:53 PM CDTMesoscale DiscussionSPCBosque, Brown, Callahan, Coleman, Comanche, Dallas and 20 more2 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2003Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Oklahoma, 2003Every severe thunderstorm watch in 2003

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.