Alert archive / Oklahoma / Mesoscale Discussions in 2006

Mesoscale Discussion 1735

August 3, 200636 counties in Oklahoma; 5 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Aug 3, 2006, 6:18 PM CDT for 36 counties in Oklahoma; 5 counties in Texas. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: Aug 3, 2006, 6:18 PM CDT (23:18 UTC)
Expired: Aug 3, 2006, 8:15 PM CDT
In force: 117 min
Issued by: the Storm Prediction Center

All 41 counties

Beckham County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Comanche County, OK, Creek County, OK, Custer County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Harmon County, OK, Harper County, OK, Hughes County, OK, Kingfisher County, OK, Kiowa County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Roger Mills County, OK, Seminole County, OK, Washita County, OK, Woods County, OK, Woodward County, OK, Collingsworth County, TX, Hemphill County, TX, Lipscomb County, TX, Ochiltree County, TX, Wheeler County, TX

The radar

The Norman radar (KTLX), 119 km from the middle of the area, began a volume at 23:18 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 nearest sounding before it

Norman, OK (KOUN), launched 12:00Z, 11.3 hours before the alert went out and 114 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: 456 J/kg
Mixed-layer CIN: -241 J/kg
Mixed-layer LCL: 1516 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 113 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
Aug 3, 1:55 PM CDT	Mesoscale Discussion	SPC	Beckham, Caddo, Canadian, Carter, Cleveland, Coal and 26 more	3 hr

Nearby

Mesoscale Discussions in Oklahoma, 2006 Mesoscale Discussions in Texas, 2006 Every mesoscale discussion in 2006

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.