Stippled area depicts the uncertainty on days 4-5. The track forecast uncertainty for days 1-3 of the forecast, while the Uncertainty is conveyed by the track forecast "cone", the solid whiteĪnd stippled white areas in the graphic. NHC tropical cyclone forecast tracks can be in error. M: Major Hurricane – wind speed greater than 110 MPH H: Hurricane – wind speed between 74 MPH and 110 MPH S: Tropical Storm – wind speed between 39 MPH and 73 MPH The letter inside the dot indicates the NHC's forecast intensity for that time:ĭ: Tropical Depression – wind speed less than 39 MPH Then the system is forecast to be a remnant low. Tropical and will be white with a black outline if the cyclone is forecast to be extratropical. The dot indicating the forecast center location will be black if the cyclone is forecast to be The black line, when selected, and dots show the National Hurricane Center (NHC) forecast track of the centerĪt the times indicated. The orange circle indicates the current position of theĬenter of the tropical cyclone. Tropical storm warning (blue) and tropical storm watch (yellow). This graphic shows an approximate representation of coastal areas under a hurricane warning (red), hurricane watch (pink), How to use the cone graphic (video): About this product: * If the storm is forecast to dissipate within 3 days, the "Full Forecast" and "3 day" graphic will be identical Click Here for a 5-day Cone Printer Friendly Graphic
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