Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 1264

June 9, 200518 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Jun 9, 2005, 4:48 PM CDT for 18 counties in Oklahoma. It was in force for 27 min.

The area

The outline as issued.

The facts

Issued: Jun 9, 2005, 4:48 PM CDT (21:48 UTC)
Expired: Jun 9, 2005, 5:15 PM CDT
In force: 27 min
Issued by: the Storm Prediction Center

Counties Blaine County, OK, Caddo County, OK, Canadian County, OK, Cleveland County, OK, Coal County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, McClain County, OK, Murray County, OK, Okfuskee County, OK, Oklahoma County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK

The radar

The Norman radar (KTLX), 34 km from the middle of the area, began a volume at 21:51 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, 9.8 hours before the alert went out and 22 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: 3224 J/kg
Mixed-layer CIN: -100 J/kg
Mixed-layer LCL: 852 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 21 m²/s²
0-3 km storm-relative helicity: 35 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
Jun 8, 7:26 PM CDT	Mesoscale Discussion	SPC	Alfalfa, Grant, Kay, Major, Woods	94 min
Jun 9, 11:51 AM CDT	Mesoscale Discussion	SPC	Blaine, Caddo, Canadian, Cleveland, Custer, Dewey and 13 more	114 min
Jun 9, 12:25 PM CDT	Severe Thunderstorm Watch	SPC	Beckham, Blaine, Caddo, Canadian, Cleveland, Coal and 22 more	5 hr
Jun 9, 1:32 PM CDT	Mesoscale Discussion	SPC	Beaver, Ellis, Harper, Woodward	2 hr
Jun 9, 2:10 PM CDT	Tornado Watch	SPC	Beaver, Custer, Dewey, Ellis, Harper, Roger Mills and 2 more	9 hr
Jun 9, 3:11 PM CDT	Mesoscale Discussion	SPC	Canadian, Cleveland, Creek, Grady, Hughes, Lincoln and 8 more	2 hr
Jun 9, 3:30 PM CDT	Tornado Watch	SPC	Beckham, Harmon	8 hr
Jun 9, 6:28 PM CDT	Mesoscale Discussion	SPC	Beckham, Harmon	92 min

Nearby

Mesoscale Discussions in Oklahoma, 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.