Alert archive / Kansas / Mesoscale Discussions in 2017
Mesoscale Discussion 1261
The Storm Prediction Center issued this mesoscale discussion at Jul 7, 2017, 4:50 PM CDT for 25 counties in Kansas; 11 counties in Oklahoma. It was in force for 115 min.
The area
The outline as issued.
The facts
- Issued
- Jul 7, 2017, 4:50 PM CDT (21:50 UTC)
- Expired
- Jul 7, 2017, 6:45 PM CDT
- In force
- 115 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 20%
All 36 counties
Barber County, KS, Chautauqua County, KS, Cherokee County, KS, Clark County, KS, Comanche County, KS, Cowley County, KS, Edwards County, KS, Elk County, KS, Finney County, KS, Ford County, KS, Grant County, KS, Gray County, KS, Harper County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kingman County, KS, Kiowa County, KS, Labette County, KS, Meade County, KS, Montgomery County, KS, Pratt County, KS, Seward County, KS, Stevens County, KS, Sumner County, KS, Alfalfa County, OK, Beaver County, OK, Craig County, OK, Grant County, OK, Harper County, OK, Kay County, OK, Nowata County, OK, Osage County, OK, Rogers County, OK, Washington County, OK, Woods County, OK
The radar
The Vance AFB radar (KVNX), 110 km from the middle of the area, began a volume at 21:52 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 nearest sounding before it
Dodge City, (KDDC), launched 12:00Z, 9.8 hours before the alert went out and 105 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.
- Mixed-layer CAPE
- 625 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 2270 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 126 m²/s²
- 0-3 km storm-relative helicity
- 161 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Oklahoma, 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.