Alert archive / Oregon / Winter Storm Warnings in 2007
Winter Storm Warning 3, NWS Pendleton, OR
NWS Pendleton, OR issued this winter storm warning at Dec 1, 2007, 4:59 AM PST for Gilliam County, Sherman County, Wasco County, Oregon; Kittitas County, Klickitat County, Yakima County, Washington. It took effect at Dec 1, 2007, 8:00 PM PST. It was in force for 20 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 1, 2007, 4:59 AM PST (12:59 UTC)
- In effect from
- Dec 1, 2007, 8:00 PM PST
- Expired
- Dec 2, 2007, 4:00 PM PST
- In force
- 20 hr
- Issued by
- NWS Pendleton, OR
Counties Gilliam County, OR, Sherman County, OR, Wasco County, OR, Kittitas County, WA, Klickitat County, WA, Yakima County, WA
The radar
The Pendleton radar (KPDT), 146 km from the middle of the area, began a volume at 13:04 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
Salem/Mcnary, OR (KSLE), launched 12:00Z, 1.0 hours before the alert went out and 209 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
- 674 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 64 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 warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Pendleton, OR wrote its last area forecast discussion before this winter storm warning went out at Dec 1, 3:55 AM PST, 1 hour 4 minutes earlier.
Area forecast discussion, Dec 1, 3:55 AM PST, 1 hour 4 minutes before
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Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 4:59 AM PST | Winter Weather Advisory | PDT | Morrow, Umatilla | 29 hr |
| Dec 1, 12:37 PM PST | High Wind Watch | PDT | Gilliam, Grant, Morrow, Umatilla, Union, Wallowa and 1 more | 17 hr |
| Dec 1, 12:37 PM PST | High Wind Warning | PDT | Crook, Deschutes, Gilliam, Grant, Jefferson, Morrow and 4 more | 59 hr |
| Dec 1, 12:37 PM PST | Wind Advisory | PDT | Grant, Jefferson, Morrow, Union, Wasco, Wheeler | 3 days |
Nearby
Winter Storm Warnings in Oregon, 2007Winter Storm Warnings in Washington, 2007Every winter storm warning 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.