Flooding Threat from Western Monsoon; Hot in the South; Severe Storms Possible in the southern Mid-Atlantic

Heavy rainfall from monsoonal activity will continue the potential for flash flooding, especially in complex terrain, burn scars, and urban areas from the northern Great Basin to the southern Rockies today. Dangerous heat and humidity continues across the Deep South today. Strong to severe storms with damaging wind and perhaps a tornado may impact southern portions of the Mid Atlantic today.
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Last Update: 246 AM PDT Sun Aug 1 2021

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Portland, OR Local Forecast Office

6NM W Cannon Beach OR

Marine Zone Forecast


Synopsis: High pres remains anchored well offshore, with lower pres well inland, as well as the far south Oregon coast and nw California. This pattern will maintain northerly flow on the coastal waters through Tue. Now appears will see south to southwesterly winds late in the week as a front pushes across the coastal waters.

Today
N wind 10 to 15 kt. Gusts to 20 kt in the afternoon. Wind waves N 3 ft at 4 seconds. W swell 2 ft at 8 seconds.
Tonight
N wind 15 to 20 kt. Wind waves N 3 ft at 5 seconds. W swell 3 ft at 8 seconds.
Mon
N wind 15 to 20 kt. Wind waves N 4 ft at 6 seconds. W swell 2 ft at 8 seconds.
Mon Night
N wind 15 to 20 kt, easing to 10 to 15 kt with gusts to 20 kt after midnight. Wind waves N 4 ft at 5 seconds. SW swell 2 ft at 17 seconds.
Tue
N wind 10 to 15 kt. Gusts to 20 kt in the afternoon. Wind waves N 3 ft at 5 seconds. SW swell 2 ft at 17 seconds.
Tue Night
N wind 10 to 15 kt. Gusts to 20 kt in the evening. Wind waves N 2 ft at 4 seconds. SW swell 2 ft at 17 seconds.
Wed
N wind 10 to 15 kt, becoming NW 5 to 10 kt. Wind waves 2 ft. W swell 3 ft.
Thu
S wind 5 to 10 kt. Wind waves 2 ft. W swell 4 ft.
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Last Update: 246 AM PDT Sun Aug 1 2021
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