Alert archive / Nebraska / Mesoscale Discussions in 2017
Mesoscale Discussion 312
The Storm Prediction Center issued this mesoscale discussion at Mar 23, 2017, 3:53 PM CDT for Decatur County, Norton County, Kansas; 36 counties in Nebraska; Goshen County, Wyoming. It was in force for 2 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 23, 2017, 3:53 PM CDT (20:53 UTC)
- Expired
- Mar 23, 2017, 6:00 PM CDT
- In force
- 2 hr
- Issued by
- the Storm Prediction Center
- Chance of a watch
- 80%
All 39 counties
Decatur County, KS, Norton County, KS, Arthur County, NE, Banner County, NE, Blaine County, NE, Box Butte County, NE, Buffalo County, NE, Cherry County, NE, Cheyenne County, NE, Custer County, NE, Dawes County, NE, Dawson County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Garden County, NE, Gosper County, NE, Grant County, NE, Harlan County, NE, Hayes County, NE, Hooker County, NE, Howard County, NE, Kearney County, NE, Keith County, NE, Kimball County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Morrill County, NE, Phelps County, NE, Red Willow County, NE, Scotts Bluff County, NE, Sheridan County, NE, Sherman County, NE, Sioux County, NE, Thomas County, NE, Valley County, NE, Goshen County, WY
The radar
The North Platte radar (KLNX), 105 km from the middle of the area, began a volume at 20:57 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
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 8.9 hours before the alert went out and 75 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
- 654 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 478 m²/s²
- 0-3 km storm-relative helicity
- 480 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 |
|---|---|---|---|---|
| Mar 23, 3:32 PM CDT | Mesoscale Discussion | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more | 58 min |
| Mar 23, 3:46 PM CDT | Severe Thunderstorm Watch | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 7 more | 6 hr |
| Mar 23, 6:32 PM CDT | Mesoscale Discussion | SPC | Finney, Gove, Grant, Gray, Haskell, Kearny and 7 more | 58 min |
| Mar 23, 6:45 PM CDT | Mesoscale Discussion | SPC | Decatur, Gove, Graham, Logan, Norton, Phillips and 5 more | 30 min |
Nearby
Mesoscale Discussions in Nebraska, 2017Mesoscale Discussions in Kansas, 2017Mesoscale Discussions in Wyoming, 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.