Weekend storm update
The GFS model continues to paint a good area of precip over West Virginia on Saturday night into Sunday morning, and now the WRF model is in agreement with that idea.
At the time this precipitation is in progress, cold air will be moving in from the north. The GFS suggests that the rain will change to snow late Saturday night, while the WRF keeps things as rain through Sunday afternoon.
At any rate, as you can see with the first two images above, both models are in agreement and have been consistent about this system producing a lot of precipitation. So as before, temperatures are still the parameters to watch for Saturday and Sunday to determine how much will be rain and how much will be snow. The latest GFS suggests a changeover overnight Saturday in the middle of the heaviest precip. If the GFS is right and things are a little on the colder side, Charleston could be looking at 6 inches or more of snow on Sunday.
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