textproduct: Pendleton
This forecast discussion was created in the public domain by the National Weather Service. It can be found in its original form here.
KEY MESSAGES
- Showers and gusty winds today.
- Another system will affect the region over the weekend.
- Drier and warmer toward the middle of next week.
DISCUSSION
An upper low/trough was moving across the Pacific Northwest and will exit the region this evening. A more zonal flow will then be in place through Saturday. Gusty winds will continue, and wind advisory and high wind warnings continue, though some areas have been getting the strong winds while others have not. Winds will decrease during the evening hours and overnight.
On Saturday, an upper low will drop down from Canada into the Pacific Northwest, but there are significant differences as to the handling of this feature, with the deterministic GFS being weaker than the deterministic ECWMF which is much stronger and eventually carves out a trough over the Great Basin. High pressure will then build in toward midweek.
The deeper ECMWF solution, also supported by the Canadian has support of about 43 percent of the ensemble clusters. There will likely be at least some mountain rain with this system as it moves across the region through Sunday. Dry weather with warming temperatures is expected after that.
AVIATION /06Z TAFS THROUGH 06Z FRIDAY/
VFR conditions will persist through the forecast period. Winds will still be the primary concern through the period with most TAF sites seeing winds of 10-15kts and gusts to near 20 kts. PSC is still seeing sustained winds of 20 kts and gusting to 30 kts and is expected to see a slight decrease to 12-15 kts after 9Z. BDN/RDM are both seeing winds under 6 kts and are expected to increase after 21Z.
Preliminary Point Temps/PoPs
PDT 43 68 42 66 / 0 0 0 0 ALW 47 67 46 66 / 10 0 0 0 PSC 47 73 46 70 / 0 0 0 0 YKM 43 71 41 68 / 0 0 10 0 HRI 46 70 45 68 / 0 0 0 0 ELN 39 62 37 59 / 10 0 10 0 RDM 31 70 33 66 / 0 0 0 0 LGD 38 67 39 65 / 10 0 0 0 GCD 35 72 37 68 / 0 0 0 0 DLS 47 69 47 66 / 0 0 0 0
PDT WATCHES/WARNINGS/ADVISORIES
WA...Wind Advisory until 11 PM PDT this evening for WAZ024-026>029. High Wind Warning until 11 PM PDT this evening for WAZ521. OR...Wind Advisory until 11 PM PDT this evening for ORZ041-044-510. High Wind Warning until 11 PM PDT this evening for ORZ507-508.
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