Alert archive / Nebraska / Winter Weather Advisories in 2017
Winter Weather Advisory 2, NWS North Platte, NE
NWS North Platte, NE issued this winter weather advisory at Jan 4, 2017, 4:37 AM MST for 8 counties in Nebraska. It took effect at Jan 4, 2017, 5:00 AM MST. It was in force for 21 hr.
The area
The counties it named.
The facts
- Issued
- Jan 4, 2017, 4:37 AM MST (11:37 UTC)
- In effect from
- Jan 4, 2017, 5:00 AM MST
- Expired
- Jan 5, 2017, 2:00 AM MST
- In force
- 21 hr
- Issued by
- NWS North Platte, NE
Counties Arthur County, NE, Custer County, NE, Deuel County, NE, Garden County, NE, Keith County, NE, Lincoln County, NE, Logan County, NE, McPherson County, NE
The radar
The North Platte radar (KLNX), 85 km from the middle of the area, began a volume at 11:41 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
Rapid City, SD (KRAP), launched 00:00Z, 11.6 hours before the alert went out and 327 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
- 767 m above ground
- 0-6 km bulk shear
- 93 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 116 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 weather advisory 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 weather advisory went out at Jan 4, 2:25 AM MST, 2 hours 12 minutes earlier.
Area forecast discussion, Jan 4, 2:25 AM MST, 2 hours 12 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 |
|---|---|---|---|---|
| Jan 4, 2:23 AM MST | Wind Chill Advisory | LBF | Arthur, Boyd, Brown, Cherry, Garden, Grant and 5 more | 33 hr |
Nearby
Winter Weather Advisories in Nebraska, 2017Every winter weather advisory 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.