Alert archive / Nebraska / Winter Storm Watches in 2013
Winter Storm Watch 7, NWS North Platte, NE
NWS North Platte, NE issued this winter storm watch at Apr 7, 2013, 3:17 AM MDT for 23 counties in Nebraska. It took effect at Apr 9, 2013, 12:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 7, 2013, 3:17 AM MDT (09:17 UTC)
- In effect from
- Apr 9, 2013, 12:00 AM MDT
- Expired
- Apr 8, 2013, 10:59 AM MDT
- In force
- Issued by
- NWS North Platte, NE
All 23 counties
Arthur County, NE, Blaine County, NE, Boyd County, NE, Brown County, NE, Chase County, NE, Cherry County, NE, Deuel County, NE, Garden County, NE, Garfield County, NE, Grant County, NE, Holt County, NE, Hooker County, NE, Keith County, NE, Keya Paha County, NE, Lincoln County, NE, Logan County, NE, Loup County, NE, McPherson County, NE, Perkins County, NE, Rock County, NE, Sheridan County, NE, Thomas County, NE, Wheeler County, NE
The radar
The North Platte radar (KLNX), 12 km from the middle of the area, began a volume at 09:19 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 00:00Z, 9.3 hours before the alert went out and 311 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
- 3167 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- -20 m²/s²
- 0-3 km storm-relative helicity
- 97 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 7, 3:04 AM MDT, 13 minutes earlier.
Area forecast discussion, Apr 7, 3:04 AM MDT, 13 minutes before
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</html>Hazardous weather outlook, Apr 7, 3:08 AM MDT, 9 minutes before
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Winter Storm Watches in Nebraska, 2013Every winter storm watch in 2013
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.