Heavy Rain and Potential for Flash Flooding for Mid-Atlantic

A strong storm system will bring heavy rain to the Mid-Atlantic and central Appalachians into Saturday. Flash flooding and widespread lowland flooding are possible during this period. Meanwhile, monsoon moisture will continue to produce heavy rain with the possibility of localized flash flooding in the Desert Southwest through the southern/central Rockies and High Plains.

Last Update: 227 AM PDT Sat Jul 29 2017

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5NM ESE San Francisco CA

Marine Zone Forecast

Synopsis: PZZ500-291630- 227 AM PDT Sat Jul 29 2017 .Synopsis for the Central California Coast and Bays Including the Monterey Bay...Greater Farallones...and Cordell Bank National Marine Sanctuaries... Winds will continue to decrease across the coastal waters into this morning. The northern outer waters will remain gusty today and tonight. A long period southerly swell generated by tropical systems is still expected to arrive late this weekend lasting into early next week, with swells around 3 to 4 ft at 16 to 18 seconds. Interaction between the southerly swell and northwest generated wind waves will create choppy waters. $$

NW winds 10 to 20 kt. Patchy fog in the morning.
NW winds 10 to 20 kt...decreasing to 10 kt after midnight. Patchy fog after midnight.
NW winds 10 kt...increasing to 10 to 20 kt in the afternoon. Patchy fog in the morning.
Sun Night
NW winds 10 to 20 kt.
NW winds 5 to 15 kt.
SW winds 10 kt.
SW winds 10 kt.
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Last Update: 227 AM PDT Sat Jul 29 2017
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