Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 2053

August 23, 200514 counties in Kansas; 18 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Aug 23, 2005, 12:55 AM CDT for 14 counties in Kansas; 18 counties in Oklahoma. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued: Aug 23, 2005, 12:55 AM CDT (05:55 UTC)
Expired: Aug 23, 2005, 2:00 AM CDT
In force: 65 min
Issued by: the Storm Prediction Center

All 32 counties

Barber County, KS, Chautauqua County, KS, Comanche County, KS, Cowley County, KS, Elk County, KS, Harper County, KS, Kingman County, KS, Kiowa County, KS, Montgomery County, KS, Pratt County, KS, Reno County, KS, Sedgwick County, KS, Stafford County, KS, Sumner County, KS, Alfalfa County, OK, Creek County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Washington County, OK, Woods County, OK, Woodward County, OK

The radar

The Vance AFB radar (KVNX), 18 km from the middle of the area, began a volume at 05:57 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

Dodge City, (KDDC), launched 00:00Z, 5.9 hours before the alert went out and 198 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: 1079 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1471 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 52 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

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 22, 8:00 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Finney, Ford and 15 more	6 hr
Aug 22, 11:20 PM CDT	Mesoscale Discussion	SPC	Clark, Comanche, Edwards, Ford, Gray, Haskell and 5 more	85 min
Aug 23, 3:51 PM CDT	Mesoscale Discussion	SPC	Grant, Haskell, Morton, Seward, Stanton, Stevens	114 min
Aug 23, 4:20 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Sherman, Wallace	8 hr

Nearby

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