Alert archive / Oklahoma / Mesoscale Discussions in 2006

Mesoscale Discussion 266

March 12, 200614 counties in Oklahoma

The Storm Prediction Center issued this mesoscale discussion at Mar 12, 2006, 6:21 PM CST for 14 counties in Oklahoma. It was in force for 114 min.

The area

The outline as issued.

The facts

Issued: Mar 12, 2006, 6:21 PM CST (00:21 UTC)
Expired: Mar 12, 2006, 8:15 PM CST
In force: 114 min
Issued by: the Storm Prediction Center

Counties Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Okmulgee County, OK, Pottawatomie County, OK, Rogers County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 45 km from the middle of the area, began a volume at 00:22 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.

The nearest sounding before it

Norman, OK (KOUN), launched 00:00Z, 0.4 hours before the alert went out and 153 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3604 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 76 m²/s²
0-3 km storm-relative helicity: 189 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
Mar 12, 8:45 PM CST	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Coal, Garvin, Jefferson and 5 more	3 hr
Mar 12, 9:13 PM CST	Mesoscale Discussion	SPC	Adair, Cherokee, Craig, Creek, Delaware, McIntosh and 11 more	62 min
Mar 12, 9:34 PM CST	Tornado Watch	SPC	Adair, Cherokee, Craig, Creek, Delaware, Haskell and 19 more	7 hr
Mar 12, 11:30 PM CST	Mesoscale Discussion	SPC	Adair, Cherokee, Craig, Delaware, Haskell, McIntosh and 7 more	2 hr
Mar 12, 11:53 PM CST	Tornado Watch	SPC	Choctaw, McCurtain, Pushmataha	6 hr

Nearby

Mesoscale Discussions in Oklahoma, 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.