Alert archive / Kansas / Mesoscale Discussions in 2017

Mesoscale Discussion 731

May 16, 201722 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at May 16, 2017, 2:03 PM CDT for 22 counties in Kansas. It was in force for 27 min.

The area

The outline as issued.

The facts

Issued
May 16, 2017, 2:03 PM CDT (19:03 UTC)
Expired
May 16, 2017, 2:30 PM CDT
In force
27 min
Issued by
the Storm Prediction Center
Chance of a watch
95%
All 22 counties

Barton County, KS, Clark County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Gray County, KS, Hodgeman County, KS, Kiowa County, KS, Lincoln County, KS, Meade County, KS, Ness County, KS, Osborne County, KS, Pawnee County, KS, Pratt County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Seward County, KS, Stafford County, KS, Trego County, KS

The radar

The Dodge City radar (KDDC), 63 km from the middle of the area, began a volume at 19:03 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, 7.1 hours before the alert went out and 58 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 2017-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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 2017-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 281 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
93 J/kg
Mixed-layer CIN
-432 J/kg
Mixed-layer LCL
2110 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
281 m²/s²
0-3 km storm-relative helicity
261 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 16, 2:16 PM CDTTornado WatchSPCBarber, Barton, Clark, Comanche, Edwards, Ellis and 20 more8 hr
May 16, 3:58 PM CDTMesoscale DiscussionSPCCloud, Graham, Jewell, Marshall, Mitchell, Norton and 7 more2 hr
May 16, 4:57 PM CDTSevere Thunderstorm WatchSPCAtchison, Brown, Clay, Cloud, Dickinson, Doniphan and 23 more7 hr
May 16, 5:47 PM CDTMesoscale DiscussionSPCCheyenne, Decatur, Rawlins, Sherman, Thomas, Wallace88 min

Nearby

Mesoscale Discussions in Kansas, 2017Every mesoscale discussion in 2017

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.