Alert archive / Kansas / Mesoscale Discussions in 2008

Mesoscale Discussion 761

May 1, 20084 states

The Storm Prediction Center issued this mesoscale discussion at May 1, 2008, 7:24 PM CDT for 4 states. It was in force for 66 min.

The area

The outline as issued.

The facts

Issued: May 1, 2008, 7:24 PM CDT (00:24 UTC)
Expired: May 1, 2008, 8:30 PM CDT
In force: 66 min
Issued by: the Storm Prediction Center

All 63 counties

Decatur County, IA, Ringgold County, IA, Wayne County, IA, Allen County, KS, Anderson County, KS, Bourbon County, KS, Chautauqua County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Cass County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Jackson County, MO, Livingston County, MO, Mercer County, MO, Platte County, MO, Ray County, MO, Worth County, MO, Cleveland County, OK, Craig County, OK, Creek County, OK, Kay County, OK, Lincoln County, OK, Logan County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Tulsa County, OK, Washington County, OK

The radar

The Pleasant Hill radar (KEAX), 150 km from the middle of the area, began a volume at 00:23 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

Topeka, KS (KTOP), launched 00:00Z, 0.4 hours before the alert went out and 135 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: 3122 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 168 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
May 1, 7:47 PM CDT	Mesoscale Discussion	SPC	Buena Vista, Cherokee, Clay, Dickinson, Emmet, Lyon and 5 more	88 min
May 1, 10:04 PM CDT	Mesoscale Discussion	SPC	Adair, Adams, Appanoose, Boone, Clarke, Dallas and 19 more	116 min
May 1, 11:29 PM CDT	Mesoscale Discussion	SPC	Appanoose, Clarke, Davis, Decatur, Jefferson, Keokuk and 10 more	91 min
May 2, 11:05 AM CDT	Mesoscale Discussion	SPC	Allamakee, Benton, Black Hawk, Bremer, Buchanan, Butler and 32 more	115 min
May 2, 3:47 PM CDT	Mesoscale Discussion	SPC	Allamakee, Howard, Winneshiek	118 min
May 1, 7:19 PM CDT	Mesoscale Discussion	SPC	Barton, Clay, Cloud, Dickinson, Ellsworth, Geary and 13 more	56 min
May 1, 8:43 PM CDT	Mesoscale Discussion	SPC	Harper, Harvey, Kingman, McPherson, Marion, Reno and 2 more	2 hr
May 2, 12:53 AM CDT	Tornado Watch	SPC	Allen, Anderson, Atchison, Bourbon, Chautauqua, Cherokee and 20 more	6 hr
May 2, 4:22 AM CDT	Mesoscale Discussion	SPC	Barry, Camden, Christian, Cole, Dallas, Greene and 12 more	53 min
May 2, 5:00 AM CDT	Severe Thunderstorm Watch	SPC	Audrain, Boone, Callaway, Camden, Cole, Crawford and 38 more	5 hr
May 2, 7:07 AM CDT	Mesoscale Discussion	SPC	Crawford, Dent, Franklin, Shannon, Warren	53 min
May 2, 8:49 AM CDT	Tornado Watch	SPC	Dunklin, Pemiscot	6 hr
May 2, 10:20 AM CDT	Mesoscale Discussion	SPC	Dunklin, Pemiscot	85 min
May 2, 10:44 AM CDT	Tornado Watch	SPC	Mississippi, New Madrid, Scott, Stoddard	9 hr
May 2, 12:12 PM CDT	Mesoscale Discussion	SPC	Dunklin, Mississippi, New Madrid, Pemiscot, Scott	2 hr
May 2, 1:54 PM CDT	Tornado Watch	SPC	Pemiscot	6 hr
May 2, 1:09 AM CDT	Tornado Watch	SPC	Adair, Atoka, Bryan, Carter, Cherokee, Choctaw and 39 more	7 hr

Nearby

Mesoscale Discussions in Kansas, 2008 Mesoscale Discussions in Oklahoma, 2008 Mesoscale Discussions in Missouri, 2008 Every mesoscale discussion in 2008

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.