Heavy Rain and Strong-to-Severe Thunderstorms from the Central Miss. Valley to the Mid-Atlantic

A slow-moving weather system in the eastern U.S. will focus showers and thunderstorms from the mid-Mississippi River Valley to the Mid-Atlantic on Thursday. Abundant moisture will allow occasionally heavy rainfall. Flash Flood Watches are in effect in these areas. Severe thunderstorms with damaging wind gusts and large hail will also be possible in this same area.
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Hazardous Weather Conditions

Last Update: 251 PM CDT THU JUL 28 2016

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Northern Indiana Local Forecast Office

10NM WSW Saint Joseph MI

Marine Zone Forecast

WAVES ARE PROVIDED AS A RANGE OF SIGNIFICANT WAVE HEIGHTS...WHICH IS THE AVERAGE HEIGHT OF THE HIGHEST 1/3 OF THE WAVES...ALONG WITH THE AVERAGE HEIGHT OF THE HIGHEST 10 PERCENT OF THE WAVES WHICH WILL OCCASIONALLY BE ENCOUNTERED.

Synopsis: WEAK LOW PRESSURE OF 29.9 INCHES OVER THE SOUTHERN LAKES REGION WILL REMAIN STATIONARY THROUGH FRIDAY AND THEN MOVE NORTHEAST ACROSS THE EASTERN LAKES SATURDAY NIGHT. A WEAK COLD FRONT OVER SOUTH CENTRAL PORTIONS OF THE LAKE WILL SLOWLY SAG SOUTH OF THE LAKE FRIDAY EVENING. HIGH PRESSURE OF 30.1 INCHES OVER THE NORTHERN LAKES WILL SPREAD SOUTH ACROSS THE WESTERN LAKES SUNDAY AND THEN SHIFT EAST MONDAY. A LARGE TROUGH OF LOW PRESSURE WILL SLOWLY MOVE EAST ACROSS THE PLAINS EARLY TO THE MIDDLE OF NEXT WEEK.

Tonight
Northeast winds 15 to 25 kt becoming east. Scattered showers and thunderstorms. Waves 3 to 5 ft occasionally to 7 ft.
Friday
East winds 15 to 25 kt becoming northeast. Slight chance of showers and thunderstorms. Waves 3 to 5 ft occasionally to 7 ft.
Friday Night
Northeast winds 15 to 25 kt becoming east 10 to 20 kt. Chance of showers and thunderstorms in the evening. Waves 3 to 5 ft occasionally to 7 ft subsiding to 2 to 4 ft.
Saturday
Northeast winds 10 to 20 kt becoming north 15 to 25 kt. Chance of showers and thunderstorms in the afternoon. Waves 2 to 4 ft.
Saturday Night
Northeast winds 15 to 25 kt becoming east 10 to 20 kt. Waves 2 to 4 ft.
Sunday
East winds 10 to 15 kt becoming north. Waves 1 to 3 ft.
Sunday Night
Northeast winds 5 to 10 kt becoming east. Waves 1 to 2 ft.
Monday
Southeast winds 5 to 10 kt. Waves 1 ft or less.
Tuesday
South winds 10 to 20 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft.
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ABOUT THIS FORECAST

Last Update: 251 PM CDT THU JUL 28 2016
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