Alert archive / Kansas / Mesoscale Discussions in 2005

Mesoscale Discussion 2096

August 27, 200525 counties in Kansas; 25 counties in Nebraska

The Storm Prediction Center issued this mesoscale discussion at Aug 27, 2005, 6:56 PM CDT for 25 counties in Kansas; 25 counties in Nebraska. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Aug 27, 2005, 6:56 PM CDT (23:56 UTC)
Expired: Aug 27, 2005, 9:00 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

All 50 counties

Decatur County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Jewell County, KS, Kearny County, KS, Lane County, KS, Logan County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Phillips County, KS, Rawlins County, KS, Republic County, KS, Rooks County, KS, Scott County, KS, Sheridan County, KS, Smith County, KS, Thomas County, KS, Trego County, KS, Wichita County, KS, Adams County, NE, Butler County, NE, Cass County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Furnas County, NE, Hall County, NE, Hamilton County, NE, Harlan County, NE, Jefferson County, NE, Kearney County, NE, Lancaster County, NE, Merrick County, NE, Nuckolls County, NE, Phelps County, NE, Polk County, NE, Red Willow County, NE, Saline County, NE, Sarpy County, NE, Saunders County, NE, Seward County, NE, Thayer County, NE, Webster County, NE, York County, NE

The radar

The Grand Island radar (KUEX), 101 km from the middle of the area, began a volume at 23:58 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, 11.9 hours before the alert went out and 204 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1434 J/kg
Mixed-layer CIN: -202 J/kg
Mixed-layer LCL: 1289 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.8

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.

Issued	Product	Office	Counties	Lasted
Aug 26, 8:50 PM CDT	Mesoscale Discussion	SPC	Chautauqua, Cherokee, Labette, Montgomery	85 min
Aug 27, 3:52 PM CDT	Mesoscale Discussion	SPC	Decatur, Graham, Jewell, Mitchell, Norton, Osborne and 6 more	113 min
Aug 27, 4:36 PM CDT	Mesoscale Discussion	SPC	Cheyenne, Finney, Gove, Grant, Gray, Greeley and 17 more	84 min
Aug 27, 5:15 PM CDT	Severe Thunderstorm Watch	SPC	Decatur, Gove, Graham, Jewell, Norton, Osborne and 6 more	6 hr

Nearby

Mesoscale Discussions in Kansas, 2005 Mesoscale Discussions in Nebraska, 2005 Every 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.