National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Excessive Rainfall; Heat Wave Builds in the Intermountain West and Plains

A slow moving front will bring rounds of strong to severe thunderstorms and heavy rainfall to the central Plains eastward to the east-central U.S.. The first widespread significant heat wave of summer for the Intermountain West and Plains is expected to develop today and expand through next week. Dangerous heat will continue to impact portions of the Southwest and Southeast. Read More >

Mid/upper atmospheric moisture will increase late this weekend and the pattern is favorable for thunderstorms with little to no precipitation. Lightning strikes and gusty winds on dry vegetation may increase the potential for fire starts and spread. We continue to assess the amount and location of instability and this is the most uncertain aspect of the forecast. Check back for updates, especially if you have outdoor plans later this weekend into early next week.
A Coastal Flood Advisory for the North Bay Interior Valleys and San Francisco Bay Shoreline will go into effect Thursday afternoon at 4pm and continue through the early morning on July 16th. Higher than normal astronomical tides will lead to high tides up to 1.7 ft above normal which could lead to flooding of lots, parks, and roads with only isolated road closures expected. However, these tides are expected to be lower than June's astronomical tides, so areas not affected in June can expect the same over the next week.
A Coastal Flood Advisory for the Pacific Coast will go into effect on Saturday, July 11th at 8pm through early Wednesday morning on July 15th. Higher than normal astronomical tides will lead to high tides up to 1.7 ft above normal which could lead to flooding of lots, parks, and roads with only isolated road closures expected. However, these tides are expected to be lower than June's astronomical tides, so areas not affected in June can expect the same over the next week.
A Beach Hazards Statement is in effect from Tuesday morning through Friday afternoon for Pacific Coast beaches. Remember: stay off of jetties, piers, rocks, and other waterside infrastructure, remain out of the water to avoid hazardous surf, and never turn your back on the ocean!

 

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