Which time of year is the toughest to forecast?

December 3, 2008 2:38:24 PM PST
In the Delaware Valley, I would say that winter forecasting is the toughest.

Erica's Answer:

This is because of the variety of precipitation types we get this time of year (rain, snow, sleet, freezing rain, even hail on occasion). The type of precipitation is dependent on the temperature, and a change in temperature of only a couple degrees will mean the difference between a rain event or a snow, sleet or freezing rain event. To make matters even worse, our forecasting computer models vary greatly this time of year, which makes forecasting for winter storms even more difficult!

- Erica


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