Alert archive / Missouri / Mesoscale Discussions in 2016

Mesoscale Discussion 1180

July 7, 20164 states

The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2016, 1:22 AM CDT for 4 states. It was in force for 83 min.

The area

The outline as issued.

The facts

Issued
Jul 7, 2016, 1:22 AM CDT (06:22 UTC)
Expired
Jul 7, 2016, 2:45 AM CDT
In force
83 min
Issued by
the Storm Prediction Center
Chance of a watch
95%
All 64 counties

Decatur County, IA, Fremont County, IA, Page County, IA, Ringgold County, IA, Taylor County, IA, Wayne County, IA, Atchison County, KS, Brown County, KS, Clay County, KS, Cloud County, KS, Doniphan County, KS, Jackson County, KS, Jefferson County, KS, Jewell County, KS, Leavenworth County, KS, Marshall County, KS, Nemaha County, KS, Pottawatomie County, KS, Republic County, KS, Riley County, KS, Shawnee County, KS, Washington County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Chariton 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, Jackson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Sullivan County, MO, Worth County, MO, Cass County, NE, Clay County, NE, Fillmore County, NE, Gage County, NE, Jefferson County, NE, Johnson County, NE, Lancaster County, NE, Nemaha County, NE, Nuckolls County, NE, Otoe County, NE, Pawnee County, NE, Richardson County, NE, Saline County, NE, Seward County, NE, Thayer County, NE

The radar

The Topeka radar (KTWX), 110 km from the middle of the area, began a volume at 06:25 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.

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 6.4 hours before the alert went out and 107 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 00:00Z on 2016-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2437 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 00:00Z on 2016-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.193958Sfc1 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
2437 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1750 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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
Jul 6, 7:38 PM CDTSevere Thunderstorm WatchSPCBuena Vista, Cherokee, Clay, Dickinson, Harrison, Ida and 7 more6 hr
Jul 7, 12:30 AM CDTMesoscale DiscussionSPCAudubon, Benton, Black Hawk, Boone, Bremer, Buchanan and 51 more90 min
Jul 7, 12:47 AM CDTSevere Thunderstorm WatchSPCAdair, Audubon, Black Hawk, Boone, Bremer, Butler and 37 more4 hr
Jul 7, 1:37 AM CDTSevere Thunderstorm WatchSPCAdams, Appanoose, Clarke, Davis, Decatur, Fremont and 11 more6 hr
Jul 7, 3:52 AM CDTMesoscale DiscussionSPCAllamakee, Black Hawk, Bremer, Buchanan, Chickasaw, Fayette and 8 more83 min
Jul 7, 4:27 AM CDTMesoscale DiscussionSPCAdams, Appanoose, Clarke, Davis, Decatur, Lucas and 6 more93 min
Jul 7, 5:26 AM CDTMesoscale DiscussionSPCAppanoose, Clarke, Davis, Decatur, Lucas, Monroe and 2 more2 hr
Jul 7, 6:01 AM CDTSevere Thunderstorm WatchSPCDes Moines, Henry, Jefferson, Lee, Van Buren6 hr
Jul 7, 8:10 AM CDTMesoscale DiscussionSPCDes Moines, Lee95 min
Jul 7, 1:50 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 41 more115 min
Jul 7, 3:54 PM CDTSevere Thunderstorm WatchSPCAdair, Adams, Audubon, Boone, Buena Vista, Calhoun and 37 more5 hr
Jul 7, 6:30 PM CDTMesoscale DiscussionSPCAdair, Adams, Audubon, Black Hawk, Boone, Bremer and 39 more2 hr
Jul 6, 9:28 PM CDTMesoscale DiscussionSPCNorton2 hr
Jul 6, 9:47 PM CDTSevere Thunderstorm WatchSPCJewell, Mitchell, Osborne, Phillips, Rooks, Smith5 hr
Jul 7, 2:31 AM CDTMesoscale DiscussionSPCJewell, Mitchell, Norton, Phillips, Republic, Smith89 min
Jul 7, 2:40 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Norton, Rawlins2 hr
Jul 7, 5:14 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Graham, Norton, Phillips, Rawlins and 1 more3 hr
Jul 7, 12:16 PM CDTMesoscale DiscussionSPCMississippi, New Madrid59 min
Jul 7, 12:39 PM CDTSevere Thunderstorm WatchSPCMississippi4 hr

Nearby

Mesoscale Discussions in Missouri, 2016Mesoscale Discussions in Kansas, 2016Mesoscale Discussions in Nebraska, 2016Every mesoscale discussion in 2016

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.