Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 591

May 10, 20154 states

The Storm Prediction Center issued this mesoscale discussion at May 10, 2015, 3:13 PM CDT for 4 states. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued
May 10, 2015, 3:13 PM CDT (20:13 UTC)
Expired
May 10, 2015, 4:45 PM CDT
In force
92 min
Issued by
the Storm Prediction Center
All 54 counties

Page County, IA, Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Coffey County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Lyon County, KS, Miami County, KS, Nemaha County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Wabaunsee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Atchison County, MO, Barton County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Cass County, MO, Cedar County, MO, Clay County, MO, Clinton County, MO, Dade County, MO, DeKalb County, MO, Gentry County, MO, Henry County, MO, Holt County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Nodaway County, MO, Platte County, MO, Ray County, MO, St. Clair County, MO, Vernon County, MO, Nemaha County, NE, Pawnee County, NE, Richardson County, NE

The radar

The Topeka radar (KTWX), 76 km from the middle of the area, began a volume at 20:17 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 (KFOE), launched 12:00Z, 8.2 hours before the alert went out and 36 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2015-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 493 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 12:00Z on 2015-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 139 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
493 J/kg
Mixed-layer CIN
-157 J/kg
Mixed-layer LCL
718 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
139 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.7

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.

IssuedProductOfficeCountiesLasted
May 10, 10:24 AM CDTMesoscale DiscussionSPCAudubon, Buena Vista, Calhoun, Carroll, Cherokee, Clay and 16 more3 hr
May 10, 10:46 AM CDTTornado WatchSPCAdair, Audubon, Buena Vista, Calhoun, Carroll, Cass and 21 more8 hr
May 10, 11:52 AM CDTMesoscale DiscussionSPCAdams, Decatur, Fremont, Page, Ringgold, Taylor2 hr
May 10, 1:47 PM CDTSevere Thunderstorm WatchSPCAdams, Fremont, Mills, Montgomery, Page, Ringgold and 2 more8 hr
May 10, 2:43 PM CDTMesoscale DiscussionSPCAdams, Audubon, Buena Vista, Cass, Cherokee, Crawford and 11 more92 min
May 10, 5:17 PM CDTMesoscale DiscussionSPCCedar, Clinton, Des Moines, Henry, Iowa, Jackson and 9 more88 min
May 9, 8:10 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Comanche, Decatur, Edwards and 14 more95 min
May 10, 12:33 PM CDTMesoscale DiscussionSPCCowley2 hr
May 10, 11:00 AM CDTMesoscale DiscussionSPCBarton, Bates, Benton, Boone, Camden, Cedar and 32 more3 hr
May 10, 1:22 PM CDTTornado WatchSPCAdair, Audrain, Benton, Boone, Butler, Callaway and 54 more4 hr
May 10, 3:52 PM CDTMesoscale DiscussionSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Franklin and 24 more68 min
May 10, 4:02 PM CDTSevere Thunderstorm WatchSPCBollinger, Cape Girardeau, Jefferson, Lincoln, Mississippi, New Madrid and 8 more4 hr
May 10, 6:30 PM CDTMesoscale DiscussionSPCCape Girardeau, Mississippi, New Madrid, Scott, Stoddard90 min

Nearby

Mesoscale Discussions in Kansas, 2015Mesoscale Discussions in Missouri, 2015Mesoscale Discussions in Nebraska, 2015Every mesoscale discussion in 2015

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.