Alert archive / Missouri / Mesoscale Discussions in 2019

Mesoscale Discussion 863

May 28, 2019Decatur County, Wayne County, Iowa; 13 counties in Kansas; 18 counties in Missouri

The Storm Prediction Center issued this mesoscale discussion at May 28, 2019, 5:12 PM CDT for Decatur County, Wayne County, Iowa; 13 counties in Kansas; 18 counties in Missouri. It was in force for 93 min.

The area

The outline as issued.

The facts

Issued
May 28, 2019, 5:12 PM CDT (22:12 UTC)
Expired
May 28, 2019, 6:45 PM CDT
In force
93 min
Issued by
the Storm Prediction Center
All 33 counties

Decatur County, IA, Wayne County, IA, Atchison County, KS, Brown County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Osage County, KS, Shawnee County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Sullivan County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 107 km from the middle of the area, began a volume at 22:15 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, 10.2 hours before the alert went out and 131 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 2019-05-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 962 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 2019-05-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 391 square meters per square second.19395878Sfc1 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
962 J/kg
Mixed-layer CIN
-276 J/kg
Mixed-layer LCL
801 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
391 m²/s²
0-3 km storm-relative helicity
338 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 27, 10:55 PM CDTSevere Thunderstorm WatchSPCFremont, Harrison, Mills, Monona, Montgomery, Page and 2 more7 hr
May 27, 11:42 PM CDTMesoscale DiscussionSPCFremont, Mills, Montgomery, Page, Taylor63 min
May 28, 1:23 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Des Moines and 12 more2 hr
May 28, 4:58 AM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Cass, Clarke, Dallas and 14 more2 hr
May 28, 6:09 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Cass, Clarke, Dallas and 17 more5 hr
May 28, 7:44 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Dallas and 17 more2 hr
May 28, 9:42 AM CDTMesoscale DiscussionSPCAdair, Adams, Appanoose, Cass, Clarke, Davis and 16 more93 min
May 28, 11:31 AM CDTMesoscale DiscussionSPCDavis, Des Moines, Lee, Van Buren89 min
May 28, 2:55 PM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Jasper, Jefferson and 15 more95 min
May 28, 3:13 PM CDTSevere Thunderstorm WatchSPCAdams, Appanoose, Clarke, Davis, Decatur, Fremont and 15 more7 hr
May 28, 5:22 PM CDTSevere Thunderstorm WatchSPCDes Moines, Henry, Jefferson, Johnson, Lee, Louisa and 4 more5 hr
May 27, 7:34 PM CDTMesoscale DiscussionSPCClay, Cloud, Ellis, Graham, Jewell, Lane and 13 more56 min
May 27, 8:02 PM CDTSevere Thunderstorm WatchSPCJewell, Mitchell, Osborne, Phillips, Rooks, Smith6 hr
May 28, 1:55 AM CDTSevere Thunderstorm WatchSPCDecatur, Norton, Rawlins4 hr
May 28, 9:39 AM CDTMesoscale DiscussionSPCBarber, Barton, Clay, Cloud, Comanche, Dickinson and 19 more96 min
May 28, 12:04 PM CDTMesoscale DiscussionSPCAnderson, Atchison, Brown, Chase, Coffey, Dickinson and 20 more86 min
May 28, 1:56 PM CDTTornado WatchSPCAnderson, Atchison, Clay, Cloud, Coffey, Dickinson and 21 more8 hr
May 28, 2:02 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Cowley, Elk and 13 more88 min
May 28, 2:52 PM CDTTornado WatchSPCBarton, Butler, Chase, Chautauqua, Cowley, Elk and 14 more7 hr
May 28, 3:23 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Ellis, Gove, Graham, Greeley and 15 more3 hr
May 28, 4:03 PM CDTSevere Thunderstorm WatchSPCEllis, Gove, Graham, Greeley, Lane, Logan and 8 more5 hr
May 28, 5:33 PM CDTMesoscale DiscussionSPCButler, Chase, Clay, Cloud, Cowley, Dickinson and 13 more87 min
May 28, 5:38 PM CDTTornado WatchSPCJewell, Mitchell, Osborne, Phillips, Rooks, Smith3 hr
May 28, 6:26 PM CDTMesoscale DiscussionSPCClay, Cloud, Jewell, Mitchell, Republic, Washington94 min
May 28, 12:01 PM CDTSevere Thunderstorm WatchSPCKnox, Lewis, Marion, Monroe, Pike, Ralls and 1 more5 hr
May 28, 3:58 PM CDTMesoscale DiscussionSPCKnox, Lewis, Marion, Monroe, Ralls, Shelby62 min

Nearby

Mesoscale Discussions in Missouri, 2019Mesoscale Discussions in Kansas, 2019Mesoscale Discussions in Iowa, 2019Every mesoscale discussion in 2019

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.