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Significant heat wave headed for the Pacific Northwest

On average, the last week in July is the warmest and driest week of the year over much of the PNW. In 2022, it is poised to bring the hottest temperatures to much of the region since the historic heat wave of June 2021. Our global weather models, a true triumph of modern technology, have

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One of the coldest springs on record in the PNW

Meteorological spring (March-April-May) has come to an end, and it will go down as one of the coldest springs on record in Washington State. It also snaps a 10 year streak of springs falling in to the near-normal or above-normal category. A top-5 coldest spring in many locations Overall, spring 2022 was the 4th coldest

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Western US drought persists, water shortages intensify as the end of rainy season approaches

April 1 is traditionally considered the milestone date for evaluating winter rainfall and snowpack across the western US. Unfortunately, the winter of 2021-22 did little to relieve the drought that was already widespread across the western US prior to rainy season. The latest US drought monitor continues to show severe drought conditions (D2-D4) across 75%

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West coast ridging turns February into a spring month

Who flipped the switch? Just a few weeks ago, the winter of 2021-22 was wet, cold, and stormy in the PNW. The ridging that began in mid-January looked like a brief reprieve prior to the inevitable return to the chilly and wet weather that La NiƱa winters are often known for. The switch has yet

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Will it snow in the Seattle area on Monday morning?

Weather models have been hinting at a lowland snow event for the last few days and we finally have some clarity on what is likely to happen on Monday morning. The short answer is that it’s about 50/50 right now for seeing snowflakes in Seattle proper, with minimal accumulation expected. Models continue to show a

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Where is winter?

December 1 marks the start of meteorological winter. While the change to wintery weather does not always align with the start of December on the calendar, the PNW usually shifts to consistently lower snow levels and cooler temperatures late November to early December. So when will that shift occur? First, a quick look at where

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