Alert archive / Oregon / Winter Storm Warnings in 2015
Winter Storm Warning 9, NWS Pendleton, OR
NWS Pendleton, OR issued this winter storm warning at Dec 22, 2015, 4:08 AM PST for Deschutes County, Jefferson County, Wasco County, Oregon. It took effect at Dec 22, 2015, 1:00 PM PST. It was in force for 39 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 22, 2015, 4:08 AM PST (12:08 UTC)
- In effect from
- Dec 22, 2015, 1:00 PM PST
- Expired
- Dec 24, 2015, 4:00 AM PST
- In force
- 39 hr
- Issued by
- NWS Pendleton, OR
Counties Deschutes County, OR, Jefferson County, OR, Wasco County, OR
The radar
The Portland,OR radar (KRTX), 189 km from the middle of the area, began a volume at 12:11 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 0.1 hours before the alert went out and 277 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
- 482 m above ground
- 0-6 km bulk shear
- 88 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 408 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 22, 3:00 AM PST, 1 hour 8 minutes earlier.
Area forecast discussion, Dec 22, 3:00 AM PST, 1 hour 8 minutes before
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Local storm report, Dec 21, 10:10 PM PST, 5 hours 58 minutes before
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</html>The office that day
Everything else NWS Pendleton, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 22, 2:50 PM PST | Winter Weather Advisory | PDT | Gilliam, Grant, Morrow, Umatilla, Union, Wallowa and 1 more | 37 hr |
| Dec 22, 4:08 AM PST | Winter Storm Watch | PDT | 11 hr |
Nearby
Winter Storm Warnings in Oregon, 2015Every winter storm warning in 2015
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.