Alert archive / Missouri / Mesoscale Discussions in 2007

Mesoscale Discussion 219

February 28, 2007Wyandotte County, Kansas; 16 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at Feb 28, 2007, 6:11 PM CST for Wyandotte County, Kansas; 16 counties in Missouri. It was in force for 94 min.

The area

The outline as issued.

The facts

Issued: Feb 28, 2007, 6:11 PM CST (00:11 UTC)
Expired: Feb 28, 2007, 7:45 PM CST
In force: 94 min
Issued by: the Storm Prediction Center

Counties Wyandotte County, KS, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Platte County, MO, Ray County, MO, Sullivan County, MO

The radar

The Pleasant Hill radar (KEAX), 70 km from the middle of the area, began a volume at 00:14 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.

Severe Thunderstorm Watch 37Feb 28, 6:35 PM CST

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 0.2 hours before the alert went out and 139 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: 2552 m above ground
0-6 km bulk shear: 57 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 110 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
Feb 28, 6:37 PM CST	Severe Thunderstorm Watch	SPC	Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 5 more	7 hr
Feb 28, 6:50 PM CST	Mesoscale Discussion	SPC	Bourbon, Cherokee, Crawford, Linn, Miami	85 min
Feb 28, 7:10 PM CST	Tornado Watch	SPC	Bourbon, Linn, Miami	7 hr
Feb 28, 7:46 PM CST	Mesoscale Discussion	SPC	Butler, Cowley	89 min
Feb 28, 9:48 PM CST	Mesoscale Discussion	SPC	Allen, Anderson, Bourbon, Crawford, Douglas, Franklin and 3 more	87 min
Feb 28, 10:57 PM CST	Mesoscale Discussion	SPC	Chautauqua, Cowley, Elk	93 min
Mar 1, 1:32 AM CST	Tornado Watch	SPC	Bourbon, Cherokee, Crawford, Labette, Linn, Neosho	6 hr
Feb 28, 10:30 PM CST	Mesoscale Discussion	SPC	Audrain, Clark, Knox, Lewis, Marion, Monroe and 3 more	90 min
Feb 28, 11:48 PM CST	Mesoscale Discussion	SPC	Audrain, Lewis, Lincoln, Marion, Monroe, Montgomery and 3 more	57 min
Mar 1, 12:12 AM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Dunklin, Howell and 15 more	2 hr
Mar 1, 12:16 AM CST	Severe Thunderstorm Watch	SPC	Audrain, Boone, Callaway, Knox, Lewis, Lincoln and 7 more	6 hr
Mar 1, 2:28 AM CST	Mesoscale Discussion	SPC	Audrain, Boone, Callaway, Cole, Knox, Lewis and 8 more	92 min
Mar 1, 3:35 AM CST	Mesoscale Discussion	SPC	Bollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 27 more	55 min
Mar 1, 3:58 AM CST	Tornado Watch	SPC	Bollinger, Butler, Cape Girardeau, Carter, Cole, Crawford and 35 more	8 hr

Nearby

Mesoscale Discussions in Missouri, 2007 Mesoscale Discussions in Kansas, 2007 Every mesoscale discussion in 2007

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.