Heavy Precipitation and Strong Winds in the West; Locally Severe Weather in the East and Central Plains
Several atmospheric river events will bring widespread moderate to heavy precipitation and strong winds to much of the Pacific Northwest and California through early next week. A few storms might produce locally strong to damaging wind gusts over a portion of eastern North Carolina and Central Plains later today. More thunderstorms are forecast in the middle Mississippi Valley region on Sunday.
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| NWS Forecast for: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) Issued by: National Weather Service New Orleans/Baton Rouge, LA Last Update: 352 PM CDT Fri Oct 22 2021 | |
| Tonight: East winds 10 to 15 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Saturday: East winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 7 seconds. Saturday Night: Southeast winds 15 to 20 knots. Seas 3 to 5 feet with occasional seas to 6 feet. Dominant period 6 seconds. Slight chance of showers after midnight. Sunday: Southeast winds 15 to 20 knots. Seas 3 to 6 feet. Dominant period 6 seconds. Chance of showers and thunderstorms. Sunday Night: Southeast winds 10 to 15 knots. Seas 3 to 5 feet. Dominant period 6 seconds. Chance of showers and thunderstorms through the night. Monday: Southwest winds 5 to 10 knots. Seas 2 to 4 feet. Dominant period 6 seconds. Slight chance of showers. Monday Night: Southwest winds near 10 knots. Seas 1 to 3 feet. Dominant period 5 seconds. Tuesday: South winds near 10 knots becoming southeast in the late morning and afternoon. Seas 1 to 3 feet. Dominant period 5 seconds. Slight chance of showers and thunderstorms in the afternoon. Tuesday Night: South winds 15 to 20 knots. Seas 1 to 3 feet. Dominant period 4 seconds. Waves or seas building to 3 to 5 feet with occasional seas to 5 feet. Dominant period 4 seconds after midnight. Chance of showers through the night. Slight chance of thunderstorms after midnight. Wednesday: Southwest winds 15 to 20 knots. Seas 3 to 6 feet with occasional seas to 8 feet. Dominant period 5 seconds. Showers likely and chance of thunderstorms. Wednesday Night: West winds 15 to 20 knots becoming northwest after midnight. Seas 3 to 6 feet with occasional seas to 8 feet. Dominant period 6 seconds. Chance of showers. | |
| Zone Forecast: Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM (GMZ570) | |
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