Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 2472

November 27, 200511 counties in Kansas; 15 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Nov 27, 2005, 11:58 AM CST for 11 counties in Kansas; 15 counties in Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Nov 27, 2005, 11:58 AM CST (17:58 UTC)
Expired: Nov 27, 2005, 2:00 PM CST
In force: 2 hr
Issued by: the Storm Prediction Center

All 26 counties

Butler County, KS, Chautauqua County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Wilson County, KS, Woodson County, KS, Craig County, OK, Creek County, OK, Kay County, OK, Lincoln County, OK, Mayes County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 83 km from the middle of the area, began a volume at 17:59 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.

Tornado Watch 875Nov 27, 12:35 PM CST

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 6.0 hours before the alert went out and 96 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: 253 J/kg
Mixed-layer CIN: -299 J/kg
Mixed-layer LCL: 875 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 168 m²/s²
0-3 km storm-relative helicity: 143 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.

Issued	Product	Office	Counties	Lasted
Nov 27, 12:36 PM CST	Tornado Watch	SPC	Allen, Anderson, Bourbon, Butler, Chase, Chautauqua and 35 more	7 hr
Nov 27, 1:37 PM CST	Mesoscale Discussion	SPC	Cheyenne, Decatur, Gove, Graham, Greeley, Lane and 10 more	4 hr
Nov 27, 2:50 PM CST	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 36 more	115 min
Nov 27, 3:05 PM CST	Tornado Watch	SPC	Atchison, Brown, Doniphan, Johnson, Leavenworth, Nemaha and 1 more	7 hr
Nov 27, 5:58 PM CST	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Leavenworth, Wyandotte	92 min
Nov 27, 1:48 PM CST	Mesoscale Discussion	SPC	Adair, Cherokee, Choctaw, Haskell, Latimer, LeFlore and 8 more	117 min
Nov 27, 2:20 PM CST	Tornado Watch	SPC	Adair, Cherokee, LeFlore, McCurtain, Sequoyah	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.