Monday, July 28, 2014

A Juicy Tap

Utah will be under the influence of a juicy tap of monsoon moisture today and tomorrow thanks to the amplification and eastward shift of an upper-level ridge over the interior western United States.

This has pretty much opened us up to southwesterly flow and a juicy tap from the southwest U.S. and northern Mexico.  Tropical Storm Hernan also lurks off the tip of Baja (see red box), but right now appears to be heading westward.

If you've had an eye to the sky the past couple of days, you already know that moisture levels have been on the rise.  Integrated precipitable water, the depth of water in an atmospheric column if it were all precipitated as rain, has climbed from about 0.6 inches Saturday afternoon to over an inch this morning.
Showers and thunderstorms are expected statewide today, with the potential for some heavier downpours and flashflooding, especially in southern and central Utah where the National Weather Service has issued a flash flood watch.

Source: NWS
All in all an exciting day.  Keep in mind that yesterday lightning from monsoonal thunderstorms killed 1 and injured 13 at Venice Beach, California.  Let's be careful out there.

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