Alert archive / Kansas / Mesoscale Discussions in 2017
Mesoscale Discussion 759
The Storm Prediction Center issued this mesoscale discussion at May 18, 2017, 2:16 PM CDT for 13 counties in Kansas; 8 counties in Missouri. It was in force for 119 min.
The area
The outline as issued.
The facts
- Issued
- May 18, 2017, 2:16 PM CDT (19:16 UTC)
- Expired
- May 18, 2017, 4:15 PM CDT
- In force
- 119 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 21 counties
Anderson County, KS, Chase County, KS, Coffey County, KS, Douglas County, KS, Franklin County, KS, Johnson County, KS, Leavenworth County, KS, Lyon County, KS, Miami County, KS, Morris County, KS, Osage County, KS, Shawnee County, KS, Wyandotte County, KS, Cass County, MO, Clay County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Pettis County, MO, Ray County, MO, Saline County, MO
The radar
The Pleasant Hill radar (KEAX), 71 km from the middle of the area, began a volume at 19:17 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
Topeka, KS (KFOE), launched 12:00Z, 7.3 hours before the alert went out and 59 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 204 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 2:00 PM CDT | Mesoscale Discussion | SPC | Barber, Barton, Butler, Chase, Chautauqua, Clark and 20 more | 90 min |
| May 18, 3:00 PM CDT | Tornado Watch | SPC | Anderson, Atchison, Brown, Clay, Cloud, Coffey and 24 more | 7 hr |
| May 18, 3:21 PM CDT | Tornado Watch | SPC | Barber, Barton, Butler, Chase, Chautauqua, Clark and 31 more | 7 hr |
| May 18, 3:42 PM CDT | Mesoscale Discussion | SPC | Gove, Grant, Greeley, Hamilton, Kearny, Logan and 8 more | 93 min |
| May 18, 5:15 PM CDT | Mesoscale Discussion | SPC | Harper, Sumner | 60 min |
Nearby
Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Missouri, 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.