Earlier this year NOAA released a handy interactive First Snow Map which provides a nationwide guide to when you can expect to get the first snow of the winter. The map shows the date at your location when the chance of snow is at least 50%, based on historical weather records. NOAA have now released a similar looking map which shows the historical predictability of whether you can expect a white Christmas.
The Are you dreaming of a white Christmas? map uses historical weather data to provide a prediction of the chance of experiencing at least 1 inch of snow at your location on Christmas Day. The whiter the map at your location then the more chance you have of having a white Christmas. The chances of you experiencing a white Christmas are based on the last three decades of weather records at your location.
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