Alert archive / Nebraska / Mesoscale Discussions in 2003
Mesoscale Discussion 2357
The Storm Prediction Center issued this mesoscale discussion at Sep 9, 2003, 4:40 PM MDT for 9 counties in Colorado; Cheyenne County, Sherman County, Kansas; 21 counties in Nebraska. It was in force for 95 min.
The area
The outline as issued.
The facts
- Issued
- Sep 9, 2003, 4:40 PM MDT (22:40 UTC)
- Expired
- Sep 9, 2003, 6:15 PM MDT
- In force
- 95 min
- Issued by
- the Storm Prediction Center
All 32 counties
Cheyenne County, CO, Kit Carson County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO, Yuma County, CO, Cheyenne County, KS, Sherman County, KS, Arthur County, NE, Banner County, NE, Box Butte County, NE, Chase County, NE, Cherry County, NE, Cheyenne County, NE, Deuel County, NE, Dundy County, NE, Garden County, NE, Grant County, NE, Hayes County, NE, Hitchcock County, NE, Hooker County, NE, Keith County, NE, Kimball County, NE, Lincoln County, NE, McPherson County, NE, Morrill County, NE, Perkins County, NE, Scotts Bluff County, NE, Sheridan County, NE
The radar
The Goodland radar (KGLD), 187 km from the middle of the area, began a volume at 22:43 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, 10.7 hours before the alert went out and 163 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
- 1409 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 |
|---|---|---|---|---|
| Sep 9, 1:16 PM MDT | Mesoscale Discussion | SPC | Grant, Haskell, Meade, Seward, Stevens | 119 min |
| Sep 9, 1:50 PM MDT | Severe Thunderstorm Watch | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more | 5 hr |
| Sep 9, 4:05 PM MDT | Tornado Watch | SPC | Decatur, Ellis, Gove, Graham, Lane, Logan and 12 more | 5 hr |
| Sep 9, 4:10 PM MDT | Mesoscale Discussion | SPC | Finney, Grant, Gray, Hamilton, Haskell, Kearny and 5 more | 2 hr |
Nearby
Mesoscale Discussions in Nebraska, 2003Mesoscale Discussions in Colorado, 2003Mesoscale Discussions in Kansas, 2003Every mesoscale discussion in 2003
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.