Alert archive / Nebraska / Winter Storm Watches in 2007
Winter Storm Watch 4, NWS North Platte, NE
NWS North Platte, NE issued this winter storm watch at Apr 11, 2007, 2:36 PM MDT for 4 counties in Nebraska. It took effect at Apr 13, 2007, 12:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 11, 2007, 2:36 PM MDT (20:36 UTC)
- In effect from
- Apr 13, 2007, 12:00 AM MDT
- Expired
- Apr 12, 2007, 12:12 PM MDT
- In force
- Issued by
- NWS North Platte, NE
Counties Chase County, NE, Frontier County, NE, Hayes County, NE, Perkins County, NE
The radar
The Goodland radar (KGLD), 144 km from the middle of the area, began a volume at 20:38 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
Denver, CO (KDNR), launched 12:00Z, 8.6 hours before the alert went out and 191 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
- 2088 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS North Platte, NE wrote its last area forecast discussion before this winter storm watch went out at Apr 11, 1:54 PM MDT, 42 minutes earlier.
Area forecast discussion, Apr 11, 1:54 PM MDT, 42 minutes before
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</html>The office that day
Everything else NWS North Platte, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 11, 11:11 AM MDT | Wind Advisory | LBF | Arthur, Chase, Deuel, Frontier, Garden, Grant and 6 more | 7 hr |
Nearby
Winter Storm Watches in Nebraska, 2007Every winter storm watch in 2007
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.