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Severe Thunderstorms and Flash Flooding Possible

Severe weather will be possible through Monday across the northern and central Plains. Large hail, damaging winds and heavy rain are the main threats. An isolated tornado cannot be ruled out. Across the southern Plains, heavy rainfall could lead to isolated flash flooding with 3 to 4 inches of rainfall possible by Tuesday afternoon.
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Last Update: 651 AM EDT MON JUL 6 2015

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New York, NY Local Forecast Office

10NM E Islip NY

Marine Zone Forecast


Synopsis: WEAK HIGH PRESSURE BUILDS OFFSHORE TODAY. A WARM FRONT APPROACHES FROM THE SOUTHWEST TONIGHT...THEN MOVES INTO THE TRI- STATE ON TUESDAY. A COLD FRONT APPROACHES FROM THE WEST TUESDAY NIGHT...THEN TRACKS ACROSS THE AREA WEDNESDAY INTO WEDNESDAY NIGHT. THE FRONT STALLS JUST TO THE SOUTH ON THURSDAY AS A WEAK WAVE OF LOW PRESSURE MOVES ALONG IT. HIGH PRESSURE THEN BUILDS IN THROUGH FRIDAY.

Today
S winds around 5 kt...becoming SE late. Waves 1 ft or less. Patchy fog early this morning with vsby 1 to 3 nm.
Tonight
SE winds 5 to 10 kt. Waves 1 ft or less. Patchy fog after midnight with vsby 1 to 3 nm.
Tue
S winds 5 to 10 kt...increasing to 10 to 15 kt with gusts up to 20 kt in the afternoon. Waves 1 ft or less...then 1 to 2 ft in the afternoon. Patchy fog in the morning. A chance of showers and tstms. Vsby 1 to 3 nm in the morning.
Tue Night
SW winds 10 to 15 kt. Waves 1 to 2 ft.
Wed
SW winds around 10 kt. Waves 1 ft or less. Scattered showers and tstms in the afternoon with vsby 1 to 3 nm.
Wed Night
SW winds around 10 kt...becoming NW after midnight. Waves 1 ft or less. Scattered showers and tstms in the evening with vsby 1 to 3 nm.
Thu
NW winds 5 to 10 kt...becoming W. Waves 1 ft or less. A chance of showers through the night.
Fri
W winds around 5 kt...becoming NW after midnight. Waves 1 ft or less. winds and waves higher in and near tstms.

WINDS AND WAVES HIGHER IN AND NEAR TSTMS.
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Last Update: 651 AM EDT MON JUL 6 2015
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