Alert archive / Kansas / Mesoscale Discussions in 2019

Mesoscale Discussion 656

May 17, 20198 counties in Kansas; Beaver County, Oklahoma

The Storm Prediction Center issued this mesoscale discussion at May 17, 2019, 7:00 PM CDT for 8 counties in Kansas; Beaver County, Oklahoma. It was in force for 2 hr.

The area

The outline as issued.

The facts

Issued: May 17, 2019, 7:00 PM CDT (00:00 UTC)
Expired: May 17, 2019, 9:00 PM CDT
In force: 2 hr
Issued by: the Storm Prediction Center
Chance of a watch: 40%

Counties Clark County, KS, Finney County, KS, Ford County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Meade County, KS, Seward County, KS, Beaver County, OK

The radar

The Dodge City radar (KDDC), 51 km from the middle of the area, began a volume at 00:06 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 00:00Z, 0.0 hours before the alert went out and 56 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2358 J/kg
Mixed-layer CIN: -51 J/kg
Mixed-layer LCL: 1267 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 314 m²/s²
0-3 km storm-relative helicity: 353 m²/s²
Significant tornado parameter: 3.4
Supercell composite: 22.0

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.

Issued	Product	Office	Counties	Lasted
May 17, 7:39 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Clark, Comanche, Edwards, Ellis, Ford and 11 more	3 hr
May 17, 8:52 PM CDT	Tornado Watch	SPC	Barton, Clark, Comanche, Edwards, Ellis, Ellsworth and 15 more	5 hr
May 17, 9:55 PM CDT	Mesoscale Discussion	SPC	Edwards	65 min
May 17, 10:35 PM CDT	Tornado Watch	SPC	Clay, Cloud, Dickinson, Jewell, Mitchell, Osborne and 3 more	3 hr
May 17, 11:14 PM CDT	Mesoscale Discussion	SPC	Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 30 more	2 hr
May 17, 11:45 PM CDT	Severe Thunderstorm Watch	SPC	Geary, Marshall, Nemaha, Pottawatomie, Riley	3 hr
May 18, 7:47 AM CDT	Mesoscale Discussion	SPC	Butler, Chautauqua, Cowley, Elk, Greenwood, Harper and 6 more	88 min
May 18, 9:38 AM CDT	Mesoscale Discussion	SPC	Allen, Bourbon, Chautauqua, Cherokee, Crawford, Elk and 4 more	2 hr
May 18, 10:07 AM CDT	Tornado Watch	SPC	Allen, Anderson, Bourbon, Butler, Chautauqua, Cherokee and 11 more	7 hr
May 18, 3:31 PM CDT	Mesoscale Discussion	SPC	Barber, Clark, Comanche, Edwards, Ford, Gray and 6 more	119 min
May 18, 3:48 PM CDT	Severe Thunderstorm Watch	SPC	Barber, Clark, Comanche, Edwards, Ellsworth, Ford and 16 more	6 hr
May 18, 6:07 PM CDT	Mesoscale Discussion	SPC	Barber, Butler, Clark, Comanche, Cowley, Edwards and 12 more	83 min
May 18, 1:35 AM CDT	Mesoscale Discussion	SPC	Carter, Comanche, Cotton, Garvin, Grady, Jefferson and 2 more	2 hr
May 18, 2:20 AM CDT	Tornado Watch	SPC	Carter, Cleveland, Comanche, Cotton, Garvin, Grady and 9 more	8 hr
May 18, 5:11 AM CDT	Mesoscale Discussion	SPC	Carter, Comanche, Cotton, Garvin, Jefferson, Love and 3 more	2 hr
May 18, 6:51 AM CDT	Mesoscale Discussion	SPC	Carter, Cleveland, Coal, Cotton, Garvin, Grady and 11 more	114 min
May 18, 9:10 AM CDT	Tornado Watch	SPC	Adair, Atoka, Bryan, Cherokee, Choctaw, Coal and 27 more	8 hr
May 18, 12:11 PM CDT	Mesoscale Discussion	SPC	Choctaw, Latimer, LeFlore, McCurtain, Pushmataha	64 min
May 18, 12:47 PM CDT	Mesoscale Discussion	SPC	Adair, Sequoyah	88 min
May 18, 12:48 PM CDT	Tornado Watch	SPC	McCurtain	7 hr

Nearby

Mesoscale Discussions in Kansas, 2019 Mesoscale Discussions in Oklahoma, 2019 Every 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.