Area Forecast Discussion
Issued by NWS Salt Lake City, UT

Current Version | Previous Version | Text Only | Print | Product List | Glossary Off
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

000
FXUS65 KSLC 040406
AFDSLC

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SALT LAKE CITY UT
906 PM MST TUE MAR 3 2015

.SYNOPSIS...A COOL NORTHERLY FLOW WILL BE OVER THE AREA
WEDNESDAY. HIGH PRESSURE WILL BRING A DRYING AND WARMING TREND
THROUGH THE REST OF THE WEEK.


&&

.DISCUSSION...THE UPPER TROUGH AND ASSOCIATED COLD FRONT WHICH
BROUGHT SNOWFALL TO MUCH OF NORTHERN...CENTRAL AND SOUTHWEST UT
TODAY IS SWEEPING EASTWARD INTO CO THIS EVENING. THE 700MB THERMAL
TROUGH TRAILING THE PARENT SYSTEM CURRENTLY EXTENDS ACROSSNORTHERN
UT...RESULTING IN SHALLOW INSTABILITY ALLOWING FOR LIGHT SNOW
SHOWERS EXTENDING OFF THE GSL SOUTHEAST INTO THE SALT LAKE VALLEY.
WEB CAMS AND SURFACE OBS INDICATE THIS ACTIVITY IS VERY LIGHT AND
LIKELY NOT RESULTING IN ANY APPRECIABLE ACCUMULATION. UPDATED THE
GRIDS/ZONES EARLIER TO INCLUDE SCATTERED SNOW SHOWERS THIS EVENING
ACROSS THIS AREA...AS WELL AS THE ADJACENT WASATCH RANGE.
ANTICIPATE THESE SHOWERS WILL END BY MIDNIGHT AS INSTABILITY
CONTINUES TO WANE.

FURTHER SOUTH SNOW SHOWERS HAVE ALL BUT ENDED ACROSS SOUTHERN UT
AS THE UPPER FORCING MOVES EAST AND DRIER MID LEVEL AIR SPREADS
ACROSS THE AREA...AND THIS TREND WILL CONTINUE THROUGH THE
REMAINDER OF THE EVENING. WILL UPDATE SHORTLY TO REMOVE REMAINING
POPS ACROSS THE SOUTH.

MID LEVEL RIDGING ACROSS THE EASTERN PACIFIC WILL GRADUALLY BUILD
EASTWARD ACROSS THE WESTERN CONUS THROUGH THE REMAINDER OF THE
WEEK. INITIALLY A NORTHERLY FLOW ALOFT WILL MAINTAIN A RELATIVELY
COOL AIRMASS ACROSS THE FORECAST AREA WEDNESDAY...HOWEVER AS THIS
RIDGE AXIS SHIFTS EASTWARD A WARMING TREND WILL ENSUE FOR THE
REMAINDER OF THE WEEK.

&&

.AVIATION...SCATTERED SNOW SHOWERS ARE EXPECTED AT AND AROUND THE
SLC TERMINAL THROUGH ABOUT 06-07Z TONIGHT. CIGS WILL LOWER TO BKN025
IN ANY SHOWERS WITH A 30 PERCENT CHANCE OF LOWERING BELOW BKN020 AND
REDUCING VSBYS TO 3-5SM. CIGS SHOULD LIFT ABOVE BKN070 AFTER 08Z
WITH A 40 PERCENT CHANCE OF LINGERING THROUGH 11-12Z. WINDS WILL BE
LIGHT AND GENERALLY NORTHERLY THROUGH 07-08Z BEFORE SHIFTING TO
SOUTHEAST.

&&

.SLC WATCHES/WARNINGS/ADVISORIES...
UT...NONE.
WY...NONE.
&&

$$

SEAMAN/STRUTHWOLF

FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICE VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)

FOR FREQUENTLY ASKED QUESTIONS ABOUT THE AREA FORECAST DISCUSSION
VISIT...
HTTP://WEATHER.GOV/SALTLAKECITY/GENERAL/AFD_FAQS.PHP (ALL LOWER CASE)


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.