Scientific Forecaster Discussion
Area forecast discussion
National Weather Service Salt Lake City Utah
950 am MDT Wednesday Oct 7 2015
Synopsis...high pressure aloft will build into the area today and
remain in place through the latter portion of the week.
Discussion...the Pacific trough that was in northwest Arizona
yesterday has shifted into southern Arizona this morning. Its
southeastward track will take it into Mexico later today. Behind
this system...high pressure is building back into the forecast
area...allowing for dry conditions and mostly clear skies over
much of the state.
The ridge will continue to build over the next few days...though
weak shortwave energy may result in some high clouds tomorrow
through early Friday. Temperatures are prognosticated to slowly warm
during the work week...running about 5f above seasonal norms by
Friday...before more significant warming occurs over the weekend.
No updates expected to the forecast this morning.
Aviation...the slc terminal will see VFR conditions throughout
the day with mostly clear skies. Light southeast winds are
expected to shift to the northwest by 18z.
Fire Weather...Ridge of high pressure building into the region
will put a cap over the County Warning Area. This cap will be hard to bust through
until Saturday when a weak system brushes by northern Utah. This
inversion cap will lower in time causing clearing indices to
become very low Friday. Some improvement is expected Saturday into
Sunday but there is a chance that the passing system does not
create much mixing and if that happens then the cirrus will remain low
through the weekend in most valleys.
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)