Alert archive / Kansas / Mesoscale Discussions in 2012
Mesoscale Discussion 1782
The Storm Prediction Center issued this mesoscale discussion at Aug 18, 2012, 3:52 AM CDT for 29 counties in Kansas; 6 counties in Oklahoma. It was in force for 113 min.
The area
The outline as issued.
The facts
- Issued
- Aug 18, 2012, 3:52 AM CDT (08:52 UTC)
- Expired
- Aug 18, 2012, 5:45 AM CDT
- In force
- 113 min
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 60%
All 35 counties
Barber County, KS, Barton County, KS, Clark County, KS, Comanche County, KS, Edwards County, KS, Ellis County, KS, Finney County, KS, Ford County, KS, Gove County, KS, Graham County, KS, Gray County, KS, Haskell County, KS, Hodgeman County, KS, Kearny County, KS, Kiowa County, KS, Lane County, KS, Logan County, KS, Meade County, KS, Ness County, KS, Pawnee County, KS, Pratt County, KS, Rooks County, KS, Rush County, KS, Scott County, KS, Seward County, KS, Sheridan County, KS, Stafford County, KS, Trego County, KS, Wichita County, KS, Alfalfa County, OK, Beaver County, OK, Ellis County, OK, Harper County, OK, Woods County, OK, Woodward County, OK
The radar
The Dodge City radar (KDDC), 35 km from the middle of the area, began a volume at 08:52 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 00:00Z, 8.9 hours before the alert went out and 35 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
- 2970 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 337 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 9:29 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Custer, Dewey, Garfield and 5 more | 91 min |
| Aug 18, 1:10 PM CDT | Mesoscale Discussion | SPC | Cotton, Jackson, Tillman | 2 hr |
| Aug 18, 2:05 PM CDT | Severe Thunderstorm Watch | SPC | Cotton, Jefferson, Tillman | 7 hr |
| Aug 18, 5:00 PM CDT | Mesoscale Discussion | SPC | Cotton, Jefferson, Tillman | 90 min |
Nearby
Mesoscale Discussions in Kansas, 2012Mesoscale Discussions in Oklahoma, 2012Every mesoscale discussion in 2012
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.