Alert archive / Kansas / Mesoscale Discussions in 2015

Mesoscale Discussion 313

April 16, 201538 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Apr 16, 2015, 3:08 PM CDT for 38 counties in Kansas. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued
Apr 16, 2015, 3:08 PM CDT (20:08 UTC)
Expired
Apr 16, 2015, 5:15 PM CDT
In force
2 hr
Issued by
the Storm Prediction Center
Chance of a watch
40%
All 38 counties

Barton County, KS, Clark County, KS, Clay County, KS, Cloud County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kiowa County, KS, Lane County, KS, Lincoln County, KS, Logan County, KS, Meade County, KS, Mitchell County, KS, Ness County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Pratt County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Smith County, KS, Stafford County, KS, Thomas County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 84 km from the middle of the area, began a volume at 20:10 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

Dodge City, (KDDC), launched 12:00Z, 8.1 hours before the alert went out and 82 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, Dodge City, at 12:00Z on 2015-04-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 283 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, Dodge City, at 12:00Z on 2015-04-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 146 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
283 J/kg
Mixed-layer CIN
-151 J/kg
Mixed-layer LCL
1583 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
146 m²/s²
0-3 km storm-relative helicity
169 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

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
Apr 16, 12:17 PM CDTMesoscale DiscussionSPCBarton, Clark, Comanche, Edwards, Ellis, Ellsworth and 34 more118 min
Apr 16, 4:02 PM CDTSevere Thunderstorm WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ford and 17 more6 hr
Apr 16, 6:23 PM CDTMesoscale DiscussionSPCBarber, Barton, Butler, Chase, Clark, Comanche and 23 more97 min

Nearby

Mesoscale Discussions in Kansas, 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.