Monday, February 18, 2013

Sounds like it's going to be pretty chilly tomorrow

As far as I could tell there was no snow accumulation last night, or snowfall for that matter. The road conditions were fine this morning. Today's high was 36F at 12:25pm. There was a nice snowfall today from about 3:30 to 5:00pm. The snow was soft and light, it was really pretty. This surface map depicts low pressure cells over Wisconsin around 3:36pm, so it makes sense that we had snowfall. This is because areas of high pressure move into areas of low pressure. This cause the low pressure air mass to rise and eventually cool. This cooling turns into condensation which, in turn, creates precipitation. Today's precipitation came in the form of snow.



Right now, at 8:00pm, it's 22F and feels like 7F. Humidity is at 74% with dew point 16.

Looking at this weather map we can see that western Wisconsin is completely overcast, with winds about 9-14 mph coming from the west and northwest. We can also see a low pressure cell located just above Wisconsin. Winds coming from the west and northwest make sense since areas of higher pressure move towards areas of low pressure. Also, the coriolis effect causes air around low pressure cells to move in a counterclockwise motion.


Tonight's forecast calls for occasional snowfall, with a low around 7F. Total snowfall accumulation is expected to be less than one inch. Hopefully that's the case! We'll see how the morning looks.

Tomorrow sounds like it'll be icky outside. The high is forecast around 10F with a wind chill of -14. I have a feeling the roads may be a bit icy in the morning.

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