Severe Thunderstorm and Flash Flooding Threats in the South

Organized severe thunderstorms capable of producing mainly large hail and perhaps damaging winds are expected across portions of Louisiana this afternoon with a second round further west tonight. Heavy thunderstorms may lead to flash flooding over portions of the northern Gulf Coast today through Saturday. Several inches of excessive rainfall are possible with Flash Flood Watches in effect.

Last Update: 116 PM EDT Tue Apr 13 2021

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Norton, MA Local Forecast Office

15NM S Gloucester MA

Marine Zone Forecast


Synopsis: ANZ200-302000- 325 AM EDT Tue Mar 30 2021 .Synopsis for Massachusetts and Rhode Island coastal waters... A gale center forming over the Maritimes Monday morning will generate westerly gales across the MA and RI waters through the morning, then slowly slackening in the afternoon. High pressure then builds over New England Monday night. The high remains just offshore Tue and Wed. Low pressure then tracks south to north across New England Wed night into Thu. Periods of heavy rain and fog will limit vsby. Improving conditions late Thu and Thu night, as low pressure exits into Canada and west winds overspread the waters. High pressure builds into New England Fri and Sat, then shifting south Sunday. For additional information on possible hazardous weather for the week ahead, please visit $$

This Afternoon
NE winds 10 to 15 kt with gusts up to 25 kt. Seas 4 to 5 ft.
NE winds around 5 kt, becoming E after midnight. Seas 3 to 4 ft.
E winds 5 to 10 kt. Gusts up to 20 kt in the morning. Seas 3 to 4 ft.
Wed Night
SE winds 5 to 10 kt. Seas 2 to 4 ft.
E winds 5 to 10 kt, increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Seas 2 to 4 ft. A chance of showers.
Thu Night
E winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Showers.
Fri And Fri Night
NE winds 20 to 25 kt, diminishing to 15 to 20 kt. Gusts up to 35 kt. Seas 5 to 8 ft. Showers.
Sat And Sat Night
N winds 15 to 20 kt with gusts up to 30 kt, diminishing to 5 to 10 kt with gusts up to 20 kt. Seas 4 to 7 ft. seas are reported as significant wave height, which is the average of the highest third of the waves. Individual wave heights may be more than twice the significant wave height.
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Last Update: 116 PM EDT Tue Apr 13 2021
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