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

1. Dry and above normal temperatures through the week

2. Pattern change next weekend will bring precipitation back to the region

DISCUSSION

Radar is quite and current satellite shows some cumulus clouds forming along the ridgetops in central and eastern OR. Otherwise, the remaining areas are seeing clear skies. Temperatures today are expected to be warm in the low to mid 80s through central OR, foothills of the Blues, Yakima and Kittitas Valley and the eastern mountains. The Basin and the Gorge are the locations seeing temperature in the upper 80s. 80-90% of the NBM raw ensembles are in agreement with the temperatures.

Models show the upper level ridge over the region and persisting through at least Friday. Temperatures will continue to be 10-15 degrees above seasonal normal according to in house calculations. Temperatures will be in the low 80s through the Basin, Gorge, Yakima Valley and portions of north central OR while the remaining areas will see high 70s with high confidence (70-90%). Temperatures will remain well above seasonal normal through the remainder of the week.

By Thursday, models show an upper level trough beginning to make its way towards the coast. By Friday the trough is expected to dig its way into the PacNW breaking down the ridge. Clusters are showing some variation with the timing and position of the trough. So confidence is low (30-40% confidence) at this point as to if it will break the ridge down enough to bring chances of thunderstorms or even light rain to the Cascades.

AVIATION /00Z TAFS THROUGH 00Z WEDNESDAY/

VFR conditions will persist through the forecast period. Breezy winds continue 12-17kts at KDLS/KRDM/KBDN/KYKM and will persist through 05-07Z then decrease to below 12 kts. Elsewhere, winds will be 10kts or less. CIGs will be 25 kft to SKC. 90

Preliminary Point Temps/PoPs

PDT 51 78 50 82 / 0 0 0 0 ALW 54 78 54 82 / 0 0 0 0 PSC 54 84 51 88 / 0 0 0 0 YKM 56 84 54 87 / 10 0 0 0 HRI 53 83 51 86 / 0 0 0 0 ELN 51 79 50 79 / 10 0 0 0 RDM 43 78 43 81 / 0 0 0 0 LGD 49 74 47 79 / 0 0 0 0 GCD 46 75 45 79 / 0 0 0 0 DLS 56 84 56 83 / 0 0 0 0

PDT WATCHES/WARNINGS/ADVISORIES

WA...None. OR...None.

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