Alert archive / Kansas / Mesoscale Discussions in 2019

Mesoscale Discussion 366

April 17, 201915 counties in Kansas

The Storm Prediction Center issued this mesoscale discussion at Apr 17, 2019, 2:42 PM CDT for 15 counties in Kansas. It was in force for 3 hr.

The area

The outline as issued.

The facts

Issued: Apr 17, 2019, 2:42 PM CDT (19:42 UTC)
Expired: Apr 17, 2019, 5:15 PM CDT
In force: 3 hr
Issued by: the Storm Prediction Center
Chance of a watch: 80%

Counties Barber County, KS, Butler County, KS, Chase County, KS, Coffey County, KS, Comanche County, KS, Cowley County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Kingman County, KS, Lyon County, KS, Sedgwick County, KS, Sumner County, KS, Woodson County, KS

The radar

The Wichita radar (KICT), 13 km from the middle of the area, began a volume at 19:44 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.

Severe Thunderstorm Watch 76Apr 17, 4:30 PM CDT

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 7.7 hours before the alert went out and 208 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2546 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: -84 m²/s²
0-3 km storm-relative helicity: 5 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.

Issued	Product	Office	Counties	Lasted
Apr 17, 4:27 PM CDT	Severe Thunderstorm Watch	SPC	Allen, Anderson, Barber, Butler, Chase, Chautauqua and 22 more	8 hr
Apr 17, 5:11 PM CDT	Mesoscale Discussion	SPC	Atchison, Brown, Doniphan, Douglas, Jackson, Jefferson and 4 more	94 min
Apr 17, 5:24 PM CDT	Severe Thunderstorm Watch	SPC	Atchison, Johnson, Leavenworth, Linn, Miami, Wyandotte	7 hr
Apr 17, 6:08 PM CDT	Mesoscale Discussion	SPC	Allen, Anderson, Barber, Bourbon, Butler, Chautauqua and 16 more	97 min

Nearby

Mesoscale Discussions in Kansas, 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.