Alert archive / Nebraska / Winter Storm Watches in 2008
Winter Storm Watch 4, NWS North Platte, NE
NWS North Platte, NE issued this winter storm watch at Apr 30, 2008, 3:07 AM MDT for Cherry County, Sheridan County, Nebraska. It took effect at May 1, 2008, 6:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 30, 2008, 3:07 AM MDT (09:07 UTC)
- In effect from
- May 1, 2008, 6:00 PM MDT
- Expired
- May 1, 2008, 2:43 PM MDT
- In force
- Issued by
- NWS North Platte, NE
Counties Cherry County, NE, Sheridan County, NE
The radar
The North Platte radar (KLNX), 116 km from the middle of the area, began a volume at 09:09 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, 9.1 hours before the alert went out and 320 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
- 14 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 4344 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 14 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 30, 2:19 AM MDT, 48 minutes earlier.
Area forecast discussion, Apr 30, 2:19 AM MDT, 48 minutes before
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Winter Storm Watches in Nebraska, 2008Every winter storm watch in 2008
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.