The first day of Fall was a few days ago, but today we are realizing what that means. Our first autumn storm is here, and it's raining a lot! When the clouds clear out we'll likely see some white stuff capping the mountains.
The rain started last night and has been nearly non-stop since. This chart shows the accumulated precipitation in Spanish Fork over the course of the storm:
Yep, over an inch of rain and it's still coming down! And it's coming down like that along the entire Wasatch Front.
This storm is pretty widespread. One of my friend's brother and my cousin were in a high school band competition in Payson and got soaked. I imagine those high school students created many memories today.
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| Source: Weather Underground |
This rain is not like the scattered summer thunderstorm. But there is a lot of lightning from these clouds:
This storm is associated with a long wave trough bringing moisture form the north Pacific. The trough will become a cut-off low on Sunday and will stick around until Tuesday. Compare the two maps showing dynamic tropopause on Saturday and Sunday:
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| Trough on Saturday |
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| Cut-off Low on Saturday |
This low pressure system will say over the Intermountain West until Tuesday. That means we can expect more rain until that system dissolves.
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