textproduct: Pendleton

KEY MESSAGES

1. Fire weather concerns today for winds and RHs *Red Flag Warnings Issued*

2. Dry and warm conditions will persist through Thursday *Heat Advisory Issued*

3. Pattern shift Thursday will bring cooler temperatures and mountain rain

AVIATION /18Z TAFS THROUGH 18Z SUNDAY/

VFR conditions will persist through the forecast period. Winds will be breezy across all TAF sites through the period before winds decrease below 10 kts after 07Z. Otherwise, winds will be 12- 20 sustained with gusts as high as 22-30 kts possible. Confidence in the winds is moderate to high between 60-80% probabilities. CIGs will remain SCT/FEW250 through the late morning before breaking away to SKC.

AVIATION /06Z TAFS THROUGH 06Z MONDAY/

VFR flight category is expected at all terminals overnight as a dry boundary layer removes any risk for obscuration or ceilings. Breezy winds weakening and becoming less than 12 knots out of the west or northwest for the balance of the overnight and much of the day on Sunday.

FIRE WEATHER

Red Flag Warnings issued for Yakima Valley (WA690), Columbia Basin of OR & WA and eastern Columbia River Gorge of WA (OR691/WA691) and the mountains of central OR (OR700). RFW is for west winds 10-25 mph with gusts to 35 mph with minimum relative humidity's as low as 8%. This puts these areas in critical fire weather and any ignition will have the ability to grow rapidly.

Preliminary Point Temps/PoPs

PDT 50 84 52 88 / 0 0 0 0 ALW 56 85 58 89 / 0 0 0 0 PSC 54 89 56 92 / 0 0 0 0 YKM 54 88 57 90 / 0 0 0 0 HRI 54 87 55 91 / 0 0 0 0 ELN 51 84 54 87 / 0 0 0 0 RDM 41 83 45 88 / 0 0 0 0 LGD 46 81 48 85 / 0 0 0 0 GCD 44 84 45 89 / 0 0 0 0 DLS 55 88 59 93 / 0 0 0 0

PDT WATCHES/WARNINGS/ADVISORIES

WA...Heat Advisory from 11 AM Monday to 11 PM PDT Tuesday for WAZ024. Wind Advisory until midnight PDT tonight for WAZ026. OR...Heat Advisory from 11 AM Monday to 11 PM PDT Tuesday for ORZ041.