Area Forecast Discussion
Issued by NWS Salt Lake City, UT

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FXUS65 KSLC 251518

Area Forecast Discussion
National Weather Service Salt Lake City UT
918 AM MDT Mon Sep 25 2017

.SYNOPSIS...Warmer and drier conditions will develop today and
continue into midweek. Another upper low will develop over western
Arizona tomorrow. This low will lift north and impact much of
southern and eastern Utah during the latter half of the week.


.DISCUSSION...Moisture will continue to linger across portions of
northern Utah mountains and SW Wyoming with partly to mostly
cloudy skies expected today. In addition, a lobe of somewhat
colder air at 500mb is expected to rotate southeast across SW
Wyoming and the Uintas this afternoon which will result in a
minimal threat of showers which is already in the forecast.

Have improved the sky conditions for the Wasatch Front, Wasatch
Plateau, and Uinta Basin for this morning as clear skies currently
prevail. However, due to some 700mb level moisture forecast by
models and also seen on the 12Z SLC sounding will keep partly
cloudy conditions in the forecast for this afternoon as this
moisture should bubble up into flat cumulus clouds.

Farther west, an area of stratus clouds has covered portions of
the Salt Flats this morning but is showing signs of breaking up
such that mostly sunny skies will return for this afternoon.

The patchy fog in the Sevier valley has dissipated but still
remains in the Cache Valley at the Logan airport, but this is
probably very localized.

The rest of the forecast is in good shape.


.AVIATION...VFR conditions will prevail at the SLC terminal
through the TAF period. Winds will shift from southeast to
northwest between 18 and 19Z today and return to southeast at 04Z




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