Mini-Blizzard Caught on Camera
Saturday morning, unknown to me, who was asleep, we had an episode of very heavy snowfall at my house. It happened quickly and completely covered the ground and even the roadways. But then the temperature increased and it disappeared almost as quickly.
The reason? The temperature was hovering around freezing when the heavy snow fell, then reached above afterwards.
Below are samples from my WeatherCam (well, DrivewayCam) at home; click here for a really neat animation. The cam is tipped sideways, I have labeled the Driveway, Street and Lawn below.
If you look at the radar animation linked below, courtesy Plymouth State, it was a very heavy line of snow, I mean we're talking "yellow" (45 dBZ) readings in some places, which, even if rain, is generally considered "heavy"! (I am located under the "_" in "State_College")
And if you look closely at the temperature graph below, you can see that the temperature fell sharply between 8:00 and 8:30. This is known as evaporative cooling and happens when heavy rain or snow falls into the relatively dry air.
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