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: 406 AM EDT THU MAR 23 2017

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New York, NY Local Forecast Office

17NM SE Islip NY

Marine Zone Forecast

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING...

Synopsis: HIGH PRESSURE BUILDS TODAY, AND PASSES TO THE EAST TONIGHT. A WARM FRONT MOVES ACROSS THE REGION FRIDAY. THE WARM FRONT NORTH OF THE REGION FRIDAY NIGHT AND SATURDAY WILL MOVE BACK SOUTHWESTWARD SATURDAY NIGHT INTO SUNDAY. A WEAK LOW DEVELOPS ALONG THE FRONT AND THE LOW AND FRONT EVENTUALLY MOVE EAST OF THE REGION BY MONDAY NIGHT OF NEXT WEEK.

Today
NW winds 15 to 20 kt with gusts up to 25 kt... Diminishing to 10 to 15 kt this afternoon. Seas 2 to 4 ft.
Tonight
W winds 5 to 10 kt...becoming SW 10 to 15 kt after midnight. Seas around 2 ft in the evening...then 1 ft or less.
Fri
SW winds 15 to 20 kt. Gusts up to 30 kt in the afternoon. seas 2 to 3 ft...building to 4 to 6 ft in the afternoon.
Fri Night
SW winds 15 to 20 kt with gusts up to 30 kt. Seas 4 to 7 ft.
Sat
SW winds 10 to 15 kt with gusts up to 20 kt...diminishing to 5 to 10 kt in the afternoon. Seas 3 to 5 ft. Chance of light rain in the afternoon.
Sat Night
S winds 5 to 10 kt...becoming NE 15 to 20 kt with gusts up to 25 kt after midnight. Seas 3 to 5 ft. Rain likely.
Sun
E winds 15 to 20 kt. Seas 4 to 6 ft. Rain likely.
Mon
NE winds 10 to 15 kt. Seas 4 to 5 ft. Rain likely in the daytime...then chance of rain in the evening.
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ABOUT THIS FORECAST

Last Update: 406 AM EDT THU MAR 23 2017
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RADAR & SATELLITE IMAGES

Northeast Radar Mosaic Link to Satellite Data