Alert archive / Kansas / Mesoscale Discussions in 2003

Mesoscale Discussion 2507

November 17, 20034 states

The Storm Prediction Center issued this mesoscale discussion at Nov 17, 2003, 3:07 PM CST for 4 states. It was in force for 113 min.

The area

The outline as issued.

The facts

Issued: Nov 17, 2003, 3:07 PM CST (21:07 UTC)
Expired: Nov 17, 2003, 5:00 PM CST
In force: 113 min
Issued by: the Storm Prediction Center

All 41 counties

Adams County, IA, Audubon County, IA, Cass County, IA, Fremont County, IA, Harrison County, IA, Mills County, IA, Montgomery County, IA, Page County, IA, Pottawattamie County, IA, Shelby County, IA, Taylor County, IA, Atchison County, KS, Brown County, KS, Clay County, KS, Doniphan County, KS, Geary County, KS, Jackson County, KS, Jefferson County, KS, Marshall County, KS, Nemaha County, KS, Pottawatomie County, KS, Riley County, KS, Wabaunsee County, KS, Washington County, KS, Andrew County, MO, Atchison County, MO, Holt County, MO, Nodaway County, MO, Cass County, NE, Douglas County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Sarpy County, NE, Washington County, NE

The watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Tornado Watch 951Nov 17, 3:45 PM CST

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 9.1 hours before the alert went out and 119 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: 620 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 389 m²/s²
0-3 km storm-relative helicity: 389 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
Nov 17, 6:42 AM CST	Mesoscale Discussion	SPC	Adair, Adams, Boone, Clarke, Dallas, Decatur and 14 more	3 hr
Nov 17, 3:45 PM CST	Tornado Watch	SPC	Adair, Adams, Cass, Fremont, Mills, Montgomery and 3 more	5 hr
Nov 17, 5:42 PM CST	Mesoscale Discussion	SPC	Mills	93 min
Nov 17, 1:11 AM CST	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Harper, Kingman, Kiowa and 4 more	3 hr

Nearby

Mesoscale Discussions in Kansas, 2003 Mesoscale Discussions in Nebraska, 2003 Mesoscale Discussions in Iowa, 2003 Every mesoscale discussion in 2003

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.