A New Paper Synthesizing Studies on the June 2021 Pacific Northwest Heat Wave Now Available
The June issue of the Bulletin of the American Meteorological Society (BAMS) featured a new paper synthesizing over 70 articles on the record-breaking June 2021 Pacific Northwest (PNW) heat wave. I am a co-author on the article, collaborating with experts at Oregon State University and Portland State University.
Read moreJune 2025 Drought and Streamflow Update
Warm and very dry conditions in June 2025 contributed to worsening drought conditions and declining streamflow statewide. June streamflow has dropped below normal as indicated on the monthly streamflow percentile map, courtesy of the USGS Water Watch.
Read moreEarly July Climate Outlook
ENSO-neutral conditions are still very likely to continue through the summer and early fall according to the Climate Prediction Center (CPC). Neutral conditions typically do not play a large role in determining our average summer weather, so the outlooks discussed below are determined mostly from seasonal forecast models.
Read moreJune 2025 Notable Weather Events
June 2025 was a relatively dry and warm month statewide (read the June Climate Summary for a more detailed discussion of anomalies).
The first 10 days of the month featured a gradually strengthening ridge of high pressure across the region.
June 2025 Climate Summary
June was the third consecutive month with below normal precipitation statewide in Washington. June 2025 ranked in the top 10 driest Junes on record back to 1895. Statewide, precipitation averaged well below the 1991-2020 statewide average of 1.93”.
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