Coldest air of the season is about to chill eastern U.S. Get the forecast.

Ashburn, VA

26°F

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KOINU

Inactive

Max Sustained Winds

Max Wind Gusts

Movement

Pressure

Click on points along the path for more info.

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Forecast Track

Past Track

Window of Movement

Started

7:00 AM

Friday, 9/29

Ended

7:00 PM

Monday, 10/9

KOINU Peak Intensity

Peak Sustained Winds 140 mph

Peak Wind Gusts 165 mph

KOINU Max Wind Speeds

Friday, 9/29 - Monday, 10/9

Wind Projections

Saffir-Simpson Scale

Tropical Depression

<39 mph

Tropical Storm

39-73 mph

Category 1 Hurricane

74-95 mph

Category 2 Hurricane

96-110 mph

Category 3 Hurricane

111-129 mph

Category 4 Hurricane

130-156 mph

Category 5 Hurricane

>156 mph

mph

Sustained Winds

Wind Gusts

Sustained Winds

Wind Gusts

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