Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 2360

September 9, 200340 counties in Kansas; 12 counties in Nebraska; Beaver County, Harper County, Texas County, Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Sep 9, 2003, 9:44 PM CDT for 40 counties in Kansas; 12 counties in Nebraska; Beaver County, Harper County, Texas County, Oklahoma. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued
Sep 9, 2003, 9:44 PM CDT (02:44 UTC)
Expired
Sep 10, 2003, 12:15 AM CDT
In force
3 hr
Issued by
the Storm Prediction Center
All 55 counties

Cheyenne County, KS, Clark County, KS, Decatur County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Grant County, KS, Gray County, KS, Greeley County, KS, Hamilton County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Pawnee County, KS, Phillips County, KS, Rawlins County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Sherman County, KS, Smith County, KS, Stanton County, KS, Stevens County, KS, Thomas County, KS, Trego County, KS, Wallace County, KS, Wichita County, KS, Buffalo County, NE, Dawson County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Hayes County, NE, Hitchcock County, NE, Kearney County, NE, Phelps County, NE, Red Willow County, NE, Beaver County, OK, Harper County, OK, Texas County, OK

The radar

The Dodge City radar (KDDC), 89 km from the middle of the area, began a volume at 02:46 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.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.7 hours before the alert went out and 290 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, N. Platte/Lee Bi, NE at 00:00Z on 2003-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1235 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, N. Platte/Lee Bi, NE at 00:00Z on 2003-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 square meters per square second.193958Sfc1 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
1235 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 9, 7:07 PM CDTMesoscale DiscussionSPCDecatur, Ellis, Gove, Graham, Lane, Logan and 12 more113 min
Sep 10, 11:43 AM CDTMesoscale DiscussionSPCJewell, Norton, Osborne, Phillips, Republic, Rooks and 1 more2 hr
Sep 10, 1:55 PM CDTTornado WatchSPCGraham, Jewell, Mitchell, Norton, Osborne, Phillips and 3 more6 hr
Sep 10, 2:08 PM CDTMesoscale DiscussionSPCMeade, Seward3 hr
Sep 10, 2:55 PM CDTSevere Thunderstorm WatchSPCBarton, Clark, Comanche, Edwards, Ellis, Finney and 14 more5 hr
Sep 10, 2:57 PM CDTMesoscale DiscussionSPCCheyenne, Sherman2 hr
Sep 10, 3:57 PM CDTMesoscale DiscussionSPCGraham, Jewell, Mitchell, Norton, Osborne, Phillips and 2 more93 min
Sep 10, 6:42 PM CDTMesoscale DiscussionSPCBarton, Clark, Comanche, Edwards, Ellis, Ford and 13 more93 min
Sep 10, 6:53 PM CDTMesoscale DiscussionSPCJewell, Norton, Phillips, Smith67 min
Sep 9, 9:06 PM CDTMesoscale DiscussionSPCAdams, Antelope, Blaine, Boone, Boyd, Brown and 39 more114 min
Sep 9, 9:25 PM CDTSevere Thunderstorm WatchSPCAntelope, Boone, Boyd, Custer, Garfield, Greeley and 11 more5 hr
Sep 10, 1:31 AM CDTMesoscale DiscussionSPCArthur, Banner, Blaine, Box Butte, Brown, Cherry and 18 more2 hr

Nearby

Mesoscale Discussions in Kansas, 2003Mesoscale Discussions in Nebraska, 2003Mesoscale Discussions in Oklahoma, 2003Every mesoscale discussion 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.