Alert archive / Kansas / Mesoscale Discussions in 2005

Mesoscale Discussion 2085

August 26, 200520 counties in Kansas; 7 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Aug 26, 2005, 2:18 PM CDT for 20 counties in Kansas; 7 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Aug 26, 2005, 2:18 PM CDT (19:18 UTC)
Expired
Aug 26, 2005, 4:45 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
All 27 counties

Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Lyon County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Garfield County, OK, Grant County, OK, Kay County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Washington County, OK

The radar

The Wichita radar (KICT), 122 km from the middle of the area, began a volume at 19:18 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 7.3 hours before the alert went out and 143 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, Lamont, OK at 12:00Z on 2005-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1425 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, Lamont, OK at 12:00Z on 2005-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 48 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
1425 J/kg
Mixed-layer CIN
-121 J/kg
Mixed-layer LCL
1545 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
48 m²/s²
0-3 km storm-relative helicity
98 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Aug 25, 7:37 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Logan, Rawlins, Sheridan, Sherman and 2 more83 min
Aug 25, 8:30 PM CDTSevere Thunderstorm WatchSPCDecatur, Gove, Graham, Logan, Norton, Phillips and 6 more6 hr
Aug 25, 11:28 PM CDTMesoscale DiscussionSPCDecatur, Ellis, Gove, Graham, Logan, Norton and 8 more92 min
Aug 26, 4:40 PM CDTSevere Thunderstorm WatchSPCChautauqua, Cherokee, Crawford, Elk, Greenwood, Labette and 4 more6 hr
Aug 26, 6:10 PM CDTMesoscale DiscussionSPCBeckham, Blaine, Custer, Dewey, Garfield, Kingfisher and 3 more65 min

Nearby

Mesoscale Discussions in Kansas, 2005Mesoscale Discussions in Oklahoma, 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.