Alert archive / Kansas / Mesoscale Discussions in 2014

Mesoscale Discussion 782

June 1, 201426 counties in Kansas; 7 counties in Missouri; Richardson County, Nebraska

The Storm Prediction Center issued this mesoscale discussion at Jun 1, 2014, 6:50 PM CDT for 26 counties in Kansas; 7 counties in Missouri; Richardson County, Nebraska. It was in force for 85 min.

The area

The outline as issued.

The facts

Issued
Jun 1, 2014, 6:50 PM CDT (23:50 UTC)
Expired
Jun 1, 2014, 8:15 PM CDT
In force
85 min
Issued by
the Storm Prediction Center
Chance of a watch
60%
All 34 counties

Anderson County, KS, Atchison County, KS, Brown County, KS, Chase County, KS, Coffey County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Geary 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, Morris County, KS, Nemaha County, KS, Osage County, KS, Pottawatomie County, KS, Riley County, KS, Shawnee County, KS, Wabaunsee County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Clay County, MO, Clinton County, MO, Holt County, MO, Jackson County, MO, Platte County, MO, Richardson County, NE

The radar

The Topeka radar (KTWX), 34 km from the middle of the area, began a volume at 23:51 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 12:00Z, 11.8 hours before the alert went out and 18 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 2014-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 507 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 2014-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 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
507 J/kg
Mixed-layer CIN
-48 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
-4 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.

IssuedProductOfficeCountiesLasted
Jun 1, 1:39 AM CDTMesoscale DiscussionSPCGrant, Hamilton, Haskell, Kearny, Meade, Seward96 min
Jun 1, 1:08 PM CDTMesoscale DiscussionSPCGraham, Jewell, Mitchell, Norton, Osborne, Phillips and 3 more2 hr
Jun 1, 1:28 PM CDTSevere Thunderstorm WatchSPCBrown, Clay, Cloud, Dickinson, Geary, Jackson and 17 more10 hr
Jun 1, 1:51 PM CDTMesoscale DiscussionSPCBarton, Cheyenne, Clark, Decatur, Edwards, Ellis and 29 more114 min
Jun 1, 3:07 PM CDTSevere Thunderstorm WatchSPCBarber, Barton, Cheyenne, Clark, Comanche, Decatur and 48 more7 hr
Jun 1, 3:42 PM CDTMesoscale DiscussionSPCClay, Cloud, Graham, Jewell, Lincoln, Marshall and 9 more63 min
Jun 1, 6:44 PM CDTMesoscale DiscussionSPCBarber, Barton, Clark, Clay, Cloud, Comanche and 35 more91 min
May 31, 8:32 PM CDTMesoscale DiscussionSPCSioux118 min
Jun 1, 2:34 PM CDTMesoscale DiscussionSPCCedar, Dakota, Dixon, Pierce, Thurston, Wayne86 min
Jun 1, 5:24 PM CDTMesoscale DiscussionSPCArthur, Banner, Box Butte, Chase, Cheyenne, Deuel and 7 more96 min
Jun 1, 6:25 PM CDTSevere Thunderstorm WatchSPCArthur, Blaine, Chase, Cherry, Custer, Deuel and 12 more4 hr

Nearby

Mesoscale Discussions in Kansas, 2014Mesoscale Discussions in Missouri, 2014Mesoscale Discussions in Nebraska, 2014Every mesoscale discussion in 2014

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.