Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Salt Lake City Utah
933 PM MDT Tuesday Jun 2 2015
Synopsis...a weak Pacific storm system will graze northern Utah
Wednesday and Wednesday night. A closed low off the California
coast will begin to send moisture north into Utah on
Friday...continuing into the weekend.
Discussion...water vapor imagery indicates southwest flow aloft
over the forecast area this evening while a cold front is still
draped over central Utah based on surface analysis. A dry airmass
remains in place over southern Utah while a pocket of moisture with
around 0.5-0.6 inches of precipitable water lingers over northern
Utah. However...with the airmass being more stable today behind the
cold front...little in the way of shower activity was observed. A
quiet night with mostly clear skies is in store for the area as a
result...but a shortwave disturbance currently off the West Coast
will eject inland and cross Utah tomorrow.
Showers and thunderstorms are expected to develop across northern
Utah tomorrow...coinciding with the best available moisture. Some
storms could be strong owing to some wind shear...mainly across
northwest Utah. Despite The Pocket of higher precipitable waters ...lower levels
will remain sufficiently dry such that the stronger storms will be
capable of producing strong gusty winds.
No updates this evening.
Aviation...operational weather concerns will remain minimal at
the kslc terminal through the overnight hours. Northwest winds are
expected to Switch Back to the southeast between 04-06z and will
remain in place through the night.
For more information from National oceanic and atmospheric administration/S National Weather Service visit...
http://weather.Gov/saltlakecity (all lower case)
For frequently asked questions about the area forecast discussion
http://weather.Gov/saltlakecity/general/afd_faqs.Php (all lower case)