Alert archive / Oklahoma / Mesoscale Discussions in 2005

Mesoscale Discussion 1339

June 13, 200513 counties in Oklahoma; 6 counties in Texas

The Storm Prediction Center issued this mesoscale discussion at Jun 13, 2005, 7:58 PM CDT for 13 counties in Oklahoma; 6 counties in Texas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: Jun 13, 2005, 7:58 PM CDT (00:58 UTC)
Expired: Jun 13, 2005, 10:00 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center

Counties Atoka County, OK, Bryan County, OK, Carter County, OK, Choctaw County, OK, Coal County, OK, Jefferson County, OK, Johnston County, OK, Latimer County, OK, Love County, OK, Marshall County, OK, Murray County, OK, Pittsburg County, OK, Pushmataha County, OK, Archer County, TX, Baylor County, TX, Clay County, TX, Cooke County, TX, Montague County, TX, Wichita County, TX

The radar

The Norman radar (KTLX), 132 km from the middle of the area, began a volume at 00:58 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 00:00Z, 1.0 hours before the alert went out and 120 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: 877 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1487 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: -74 m²/s²
0-3 km storm-relative helicity: 224 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 4.6

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 13, 7:35 PM CDT	Mesoscale Discussion	SPC	Adair, Cherokee, Delaware, Haskell, Latimer, LeFlore and 3 more	115 min
Jun 14, 2:48 PM CDT	Mesoscale Discussion	SPC	Crane, Crockett, Ector, Edwards, Kerr, Kimble and 12 more	117 min

Nearby

Mesoscale Discussions in Oklahoma, 2005 Mesoscale Discussions in Texas, 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.