Current Warnings

4/1/2020 Widespread cold temperatures for Wed, Thu, and Fri nights with mitigation for tree fruits likely needed

"The cooler than normal temperatures that have prevailed through Washington state over the last few days have been enough to provide cold temperature concern for certain tree fruits through eastern portions of the state. Typically colder locales have been practicing overnight cold temperature mitigation techniques through much of the week already..."
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Recent Warnings

3/12/2020 Cold Air Surge

"A potent cold air surge looks to move into Washington state from the north/northeast beginning Friday afternoon/evening. An arctic airmass of this magnitude is highly unusual for mid-March and the impacts to emerging perennial crops will be especially severe as a result of the recent stretch of mild early-spring weather and warm winter in general..."
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2015 Archived Warnings

2014 Archived Warnings

2013 Archived Warnings

2012 Archived Warnings

2011 Archived Warnings

Washington State University