Alert archive / Kansas / Mesoscale Discussions in 2005

Mesoscale Discussion 824

May 11, 200517 counties in Kansas; 13 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at May 11, 2005, 4:53 PM CDT for 17 counties in Kansas; 13 counties in Nebraska. It was in force for 97 min.

The area

The outline as issued.

The facts

Issued
May 11, 2005, 4:53 PM CDT (21:53 UTC)
Expired
May 11, 2005, 6:30 PM CDT
In force
97 min
Issued by
the Storm Prediction Center
All 30 counties

Clay County, KS, Cloud County, KS, Dickinson County, KS, Ellis County, KS, Geary County, KS, Jewell County, KS, Lincoln County, KS, Mitchell County, KS, Osborne County, KS, Ottawa County, KS, Phillips County, KS, Republic County, KS, Rooks County, KS, Russell County, KS, Saline County, KS, Smith County, KS, Washington County, KS, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Gosper County, NE, Harlan County, NE, Jefferson County, NE, Kearney County, NE, Nuckolls County, NE, Phelps County, NE, Saline County, NE, Thayer County, NE, Webster County, NE

The radar

The Grand Island radar (KUEX), 51 km from the middle of the area, began a volume at 21:55 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 12:00Z, 9.9 hours before the alert went out and 219 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 12:00Z on 2005-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 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 12:00Z on 2005-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 189 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
1 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
508 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
189 m²/s²
0-3 km storm-relative helicity
190 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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
May 10, 7:00 PM CDTSevere Thunderstorm WatchSPCCheyenne, Decatur, Norton, Phillips, Rawlins, Smith7 hr
May 11, 8:41 AM CDTMesoscale DiscussionSPCAtchison, Brown, Clay, Doniphan, Douglas, Geary and 12 more2 hr
May 11, 11:45 AM CDTTornado WatchSPCAtchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 6 more7 hr
May 11, 2:36 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Ellis, Finney, Gove, Graham and 27 more114 min
May 11, 2:55 PM CDTTornado WatchSPCClay, Cloud, Dickinson, Ellis, Geary, Jewell and 11 more7 hr
May 11, 3:10 PM CDTTornado WatchSPCCheyenne, Clark, Decatur, Finney, Ford, Gove and 24 more7 hr
May 11, 3:41 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Jackson, Jefferson, Leavenworth and 4 more94 min
May 11, 4:50 PM CDTSevere Thunderstorm WatchSPCJohnson, Linn, Miami6 hr
May 11, 5:13 PM CDTMesoscale DiscussionSPCCheyenne, Clark, Decatur, Finney, Ford, Gove and 24 more92 min
May 11, 5:25 PM CDTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Douglas, Franklin, Jackson and 13 more2 hr
May 11, 6:45 PM CDTSevere Thunderstorm WatchSPCBrown, Jackson, Jefferson, Marshall, Nemaha, Pottawatomie and 1 more7 hr
May 10, 9:14 PM CDTMesoscale DiscussionSPCBurt, Butler, Colfax, Cuming, Dakota, Dodge and 10 more2 hr
May 11, 3:55 PM CDTSevere Thunderstorm WatchSPCAdams, Arthur, Boone, Buffalo, Butler, Chase and 34 more8 hr
May 11, 4:00 PM CDTMesoscale DiscussionSPCAntelope, Arthur, Blaine, Boone, Brown, Buffalo and 25 more2 hr

Nearby

Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in Nebraska, 2005Every mesoscale discussion in 2005

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.