Powerhouse Storm Set for West; Severe Weather Threat the Next Several Days

The most significant of the recent Pacific storms to reach the West Coast will arrive this weekend, mainly Sunday into Monday. A number of hazards are expected, especially the heavy rain threat on Sunday across northern and central California that may result in flooding and debris flows near burn scars. These Pacific storms will produce severe weather the next several days east of the Rockies.
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Hazardous Weather Conditions

Last Update: 403 PM EDT Sat Oct 23 2021

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Miami - South Florida Local Forecast Office

36NM E South Palm Beach FL

Marine Zone Forecast


Synopsis: Light to moderate easterly/southeasterly winds should prevail through early next week. Scattered to at times numerous showers and thunderstorms can be expected. Winds and seas may be locally higher in and around any showers or thunderstorms.

.GULF STREAM HAZARDS...None

The approximate location of the west wall of the Gulf Stream as of Oct 22, 2021 at 1200 UTC...

18 nautical miles northeast of Fowey Rocks. 15 nautical miles east southeast of Port Everglades. 14 nautical miles east southeast of Lake Worth. 15 nautical miles east northeast of Jupiter Inlet.

This data courtesy of the Naval Oceanographic Office.

Tonight
East winds around 10 knots. Seas 2 to 3 feet. Period 4 seconds. Intracoastal waters a light chop. Chance of showers in the evening. Chance of thunderstorms through the night. Showers likely after midnight.
Sunday
East southeast winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. Showers likely and chance of thunderstorms.
Sunday Night
East southeast winds 5 to 10 knots becoming south after midnight. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. Showers likely in the evening. Chance of thunderstorms through the night. Chance of showers after midnight.
Monday
West southwest winds 5 to 10 knots. Seas around 2 feet. Period 4 seconds. Intracoastal waters a light chop. Showers likely and chance of thunderstorms.
Monday Night
West winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Chance of showers and thunderstorms in the evening.
Tuesday
West southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop. Slight chance of showers and thunderstorms in the afternoon.
Tuesday Night
West northwest winds 5 to 15 knots. Seas around 2 feet. Intracoastal waters a light chop.
Wednesday
Southwest winds 5 to 10 knots. Seas around 2 feet. Intracoastal waters a light chop.
Wednesday Night
Southwest winds 5 to 10 knots along the coast to southwest 5 to 15 knots in the gulf stream. Seas 2 to 3 feet. Intracoastal waters a light chop. Slight chance of showers after midnight.
Thursday
Southwest winds 10 to 15 knots with gusts to around 20 knots. Seas 2 to 3 feet. Intracoastal waters a light chop. Chance of showers and slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon.
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ABOUT THIS FORECAST

Last Update: 403 PM EDT Sat Oct 23 2021
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