Severe Thunderstorm Threat Increasing This Week from the High Plains to Gulf Coast

A storm system will move from the Rockies to the East Coast during the next several days bringing a severe thunderstorm threat to many parts of the nation. On Thursday, large hail will be the main threat in the High Plains. By Friday a more widespread threat will develop in the ArkLaTex region where damaging winds, very large hail and tornadoes will be possible.
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Last Update: 332 AM EDT THU MAR 23 2017

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Gray/Portland, ME Local Forecast Office

27NM NE Gloucester MA

Marine Zone Forecast


...GALE WARNING IN EFFECT UNTIL 8 AM EDT THIS MORNING...
...FREEZING SPRAY ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING...
Synopsis: HIGH PRESSURE WILL BUILD IN FROM THE WEST THROUGH TONIGHT. A WARM FRONT WILL CROSS THE AREA FROM THE WEST ON FRIDAY. ANOTHER COLD FRONT WILL DROP DOWN FROM THE NORTH SATURDAY MORNING WITH HIGH PRESSURE SETTLING INTO NORTHERN MAINE ON SUNDAY.

Today
NW winds 15 to 20 kt with gusts up to 30 kt. Seas 3 to 5 ft. Light freezing spray this morning.
Tonight
NW winds 10 to 20 kt with gusts up to 25 kt...becoming W 5 to 10 kt after midnight. Seas 2 to 3 ft...subsiding to 1 to 2 ft after midnight.
Fri
SW winds 10 to 20 kt with gusts up to 25 kt... Increasing to 15 to 25 kt with gusts up to 35 kt in the afternoon. Seas 2 to 3 ft...building to 4 to 6 ft in the afternoon. A chance of snow in the morning...then rain with snow likely in the afternoon.
Fri Night
SW winds 15 to 25 kt...becoming W 10 to 20 kt after midnight. Gusts up to 35 kt. Seas 5 to 8 ft... Subsiding to 3 to 5 ft after midnight. Rain likely...mainly in the evening.
Sat
NW winds 5 to 10 kt with gusts up to 20 kt...becoming N in the afternoon. Seas 2 to 4 ft. A chance of rain.
Sat Night
N winds 5 to 15 kt...becoming NE 10 to 15 kt after midnight. Gusts up to 25 kt. Seas 2 to 3 ft.
Sun
E winds 10 to 15 kt with gusts up to 25 kt. Seas 3 to 4 ft. A chance of snow and rain.
Sun Night
E winds 10 to 15 kt with gusts up to 20 kt. Seas 2 to 4 ft. A chance of snow. Vsby 1 to 3 nm.
Mon
E winds 10 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft. Rain with snow likely. Vsby 1 to 3 nm.
Mon Night
NE winds 15 to 20 kt with gusts up to 30 kt. Seas 5 to 8 ft. Rain and snow likely. Vsby 1 to 3 nm.
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Last Update: 332 AM EDT THU MAR 23 2017
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