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A forecast calling for snow when the temperature is above the freezing mark may seem impossible, but that is exactly what will take place across parts of the East through Wednesday.
How cold the air is in the upper levels of the atmosphere is more important to the survival of a snowflake than what the temperature is at the surface.
Once a snowflake forms, it can survive the trip to the ground if the atmosphere below that point is subfreezing. The snowflake will melt into a rain drop if it passes through a deep layer of air that is above freezing.
If the temperature near the surface is not significantly above freezing, the snowflake will not have time to melt until it actually touches the warmer ground.
If you still have doubts and live across the Northeast, just keep checking your thermometer as you see Wednesday's snow fall.
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A natural disaster's threats don't end once the severe weather dissipates.
The lull in the western Pacific Ocean may come to an end next week with a new tropical threat expected to brew near Guam.
On the heels of short-lived Tropical Storm Tara, Mexico remains on high alert as the next tropical threat is expected to ramp up into a hurricane.
Mexico Beach, Florida, was almost completely flattened by Hurricane Michael. However, one home stood high on stilts above the wreckage, appearing largely untouched from the storm.
Eastern Spain is facing the highest risk for flooding from a pair of storms bringing unsettled weather to the Iberian Peninsula and neighboring Africa.
A renewed wave of cold air, locally damaging winds and rain and snow showers will sweep through the midwestern and northeastern United States this weekend.
While stress can become a problem for any healthy adult, medical experts say stress is particularly dangerous for people who suffer from heart disease.