Alert archive / Oklahoma / Mesoscale Discussions in 2006

Mesoscale Discussion 358

March 30, 20064 states

The Storm Prediction Center issued this mesoscale discussion at Mar 30, 2006, 7:07 AM CST for 4 states. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Mar 30, 2006, 7:07 AM CST (13:07 UTC)
Expired: Mar 30, 2006, 9:00 AM CST
In force: 113 min
Issued by: the Storm Prediction Center

All 50 counties

Benton County, AR, Crawford County, AR, Washington County, AR, Allen County, KS, Anderson County, KS, Bourbon County, KS, Butler County, KS, Chase County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Labette County, KS, Lyon County, KS, Marion County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Wilson County, KS, Woodson County, KS, Jasper County, MO, McDonald County, MO, Newton County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Haskell County, OK, Hughes County, OK, Kay County, OK, Latimer County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okfuskee County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Pittsburg County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK

The radar

The Tulsa radar (KINX), 55 km from the middle of the area, began a volume at 13:08 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 109Mar 30, 8:45 AM CST

The nearest sounding before it

Lamont, OK (KLMN), launched 12:00Z, 1.1 hours before the alert went out and 125 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: 1531 J/kg
Mixed-layer CIN: -80 J/kg
Mixed-layer LCL: 595 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 332 m²/s²
0-3 km storm-relative helicity: 361 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 9.1

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 30, 5:39 PM CST	Tornado Watch	SPC	Benton, Carroll, Crawford, Franklin, Madison, Sebastian and 1 more	6 hr
Mar 30, 2:58 AM CST	Mesoscale Discussion	SPC	Barber, Barton, Clark, Comanche, Decatur, Edwards and 26 more	2 hr
Mar 30, 3:39 AM CST	Severe Thunderstorm Watch	SPC	Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 23 more	5 hr
Mar 30, 7:29 AM CST	Mesoscale Discussion	SPC	Brown, Doniphan	2 hr
Mar 30, 8:42 AM CST	Tornado Watch	SPC	Allen, Anderson, Barber, Barton, Bourbon, Brown and 56 more	9 hr
Mar 30, 9:42 AM CST	Mesoscale Discussion	SPC	Barber, Barton, Comanche, Edwards, Ellis, Ellsworth and 23 more	93 min
Mar 30, 11:47 AM CST	Mesoscale Discussion	SPC	Clay, Cloud, Dickinson, Ellsworth, Geary, Harvey and 15 more	88 min
Mar 30, 1:22 PM CST	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Johnson, Leavenworth, Linn and 2 more	113 min
Mar 30, 2:15 PM CST	Tornado Watch	SPC	Atchison, Bourbon, Cherokee, Crawford, Doniphan, Johnson and 4 more	8 hr
Mar 30, 3:12 PM CST	Mesoscale Discussion	SPC	Allen, Anderson, Atchison, Bourbon, Brown, Butler and 35 more	63 min
Mar 30, 5:58 PM CST	Severe Thunderstorm Watch	SPC	Clark, Scotland	6 hr
Mar 29, 11:16 PM CST	Mesoscale Discussion	SPC	Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 27 more	119 min
Mar 30, 11:08 AM CST	Tornado Watch	SPC	Atoka, Blaine, Bryan, Caddo, Canadian, Carter and 24 more	7 hr
Mar 30, 12:33 PM CST	Mesoscale Discussion	SPC	Atoka, Canadian, Carter, Cleveland, Coal, Comanche and 17 more	117 min
Mar 30, 2:46 PM CST	Mesoscale Discussion	SPC	Atoka, Canadian, Carter, Cleveland, Coal, Garvin and 15 more	119 min
Mar 30, 5:10 PM CST	Mesoscale Discussion	SPC	Atoka, Bryan, Carter, Choctaw, Coal, Haskell and 13 more	2 hr

Nearby

Mesoscale Discussions in Oklahoma, 2006 Mesoscale Discussions in Kansas, 2006 Mesoscale Discussions in Arkansas, 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.