FXUS65 KSLC 251611 
  AFDSLC 
   
  AREA FORECAST DISCUSSIONAREA FORECAST DISCUSSION
This National Weather Service
product is intended to provide a
well-reasoned discussion of the
meteorological thinking which went
into the preparation of the Zone
Forecast Product. The forecaster
will try to focus on the most
particular challenges of the
forecast. The text will be written
in plain language or in proper
contractions. At the end of the
discussion, there will be a list of
all advisor...
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  NATIONAL WEATHER SERVICENATIONAL WEATHER SERVICE
An agency of the Federal Government
within the Department of Commerce,
National Oceanic and Atmospheric
Click for More... SALT LAKE CITY UT 
  911 AM MSTMST
Mountain Standard Time
Click for More... WED NOV 25 2009 
   
  .SYNOPSIS...HIGH PRESSURE ALOFT WILL STRENGTHEN AND REMAIN ACROSS 
  THE REGION THROUGH THE LATTER HALF OF THE WEEK. A PACIFIC STORMSTORM
Any disturbed state of the
atmosphere, especially affecting
the Earth's surface, and strongly
implying destructive and otherwise
unpleasant weather. Storms range in
scale from tornadoes and
thunderstorms to tropical cyclones
to synoptic-scale extratropical
cyclones.
Click for More... 
  SYSTEM IS EXPECTED TO MOVE INTO THE GREAT BASINBASIN
An area having a common outlet for
its surface runoff. Also called a
"Drainage Basin."
Click for More... LATE FRIDAY AND 
  SATURDAY. 
   
   
   
  && 
   
  .DISCUSSION...WITH BUILDING HIGH PRESSURE OVERHEAD...ANOTHER 
  CLEAR...CALMCALM
A weather condition when no air
motion (wind) is detected.
Click for More... DAY IS EXPECTED ACROSS THE CWACWA
County Warning Area
Click for More.... PER THE 12Z KSLC 
  SOUNDINGSOUNDING
A set of data measuring the
vertical structure of an
atmospheric parameter (temperature,
humidity, pressure, winds, etc.) at
a given time.
Click for More......700 MBMB
Millibar
Click for More... TEMPSTEMPS
Temperatures
Click for More... HAVE WARMED TWO DEGREES OVERNIGHT. 700 MBMB
Millibar
Click for More... 
  TEMPSTEMPS
Temperatures
Click for More... WILL CONTINUE TO WARM THROUGH THURSDAY AFTERNOON AS THE 
  RIDGERIDGE
An elongated area of relatively
high atmospheric pressure; the
opposite of trough.
Click for More... STRENGTHENS. THERE IS SOME DISAGREEMENT BETWEEN THE GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More... AND 
  THE ECEC
ECMWF Forecast Model
Click for More... AS TO HOW HIGH 700 MBMB
Millibar
Click for More... TEMPSTEMPS
Temperatures
Click for More... WILL REACH TOMORROW AFTERNOON. 
  THE GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More... SHOW MAXMAX
Maximum - (usually in reference to
temperature)
Click for More... 700 TEMPSTEMPS
Temperatures
Click for More... AROUND 2C...WHILE THE ECEC
ECMWF Forecast Model
Click for More... SHOWS A MAXMAX
Maximum - (usually in reference to
temperature)
Click for More... OF 
  4C OVER PORTIONS OF THE CWACWA
County Warning Area
Click for More.... THE NAMNAM
The operational North Amercian Meso
(NAM, formerly Eta, currently the
same as the WRF) is run four times
per day (00,06,12,18Z), all cycles
run to 84-h.
Click for More... ALSO SHOWS 700MB TEMPSTEMPS
Temperatures
Click for More... IN 
  EXCESS OF 4C TOMORROW AFTERNOON...SO SUSPECT THAT THE GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More... 700 MBMB
Millibar
Click for More... 
  TEMPSTEMPS
Temperatures
Click for More... MAY BE A LITTLE UNDERDONE. EITHER WAY...THIS WARMING WILL 
  FURTHER STRENGTHEN VALLEY INVERSIONS...SO VALLEY AREAS ARE EXPECTED 
  TO SEE VERY LITTLE WARMING. 
   
  FLOWFLOW
(abbrev. FLW) Wind. In meteorology,
a qualitative reference of an air
parcel(s) with respect to its
direction of movement, sometimes
specified at a certain height or
pressure elevation, e.g. westerly
flow at 500 mb. In hydrology, the
volumetric flow of water past a
given point on a stream or river,
usually in cubic feet per second
(cfs)
Click for More... ALOFT WILL TURN SOUTHWESTERLY TOMORROW EVENING AHEAD OF AN 
  APPROACHING SYSTEM. 700 MBMB
Millibar
Click for More... FLOWFLOW
(abbrev. FLW) Wind. In meteorology,
a qualitative reference of an air
parcel(s) with respect to its
direction of movement, sometimes
specified at a certain height or
pressure elevation, e.g. westerly
flow at 500 mb. In hydrology, the
volumetric flow of water past a
given point on a stream or river,
usually in cubic feet per second
(cfs)
Click for More... IS EXPECTED TO INCREASE TO AROUND 
  20KTS. THERE IS A POSSIBILITY THAT MIXING TOMORROW AFTERNOON COULD 
  REACH THE UPPER BENCH AREAS...RESULTING IN MUCH WARMER TEMPERATURES. 
   
  THE APPROACHING SYSTEM IS EXPECTED TO MOVE ACROSS THE GREAT BASINBASIN
An area having a common outlet for
its surface runoff. Also called a
"Drainage Basin."
Click for More... 
  THIS WEEKEND...SENDING A COLD FRONTCOLD FRONT
A zone separating two air masses,
of which the cooler, denser mass is
advancing and replacing the warmer.
Click for More... ACROSS THE CWACWA
County Warning Area
Click for More... SATURDAY. THE 
  SYSTEM WEAKENS AND SPLITS AS IT MOVES ACROSS THE GREAT BASINBASIN
An area having a common outlet for
its surface runoff. Also called a
"Drainage Basin."
Click for More......AND 
  LOOKS RATHER WEAK BY THE TIME IT REACHES THE CWACWA
County Warning Area
Click for More.... A 
  SECOND...WEAKER FRONTFRONT
A boundary or transition zone
between two air masses of different
density, and thus (usually) of
different temperature. A moving
front is named according to the
advancing air mass, e.g., cold
front if colder air is advancing.
Click for More... WILL MOVE ACROSS THE CWACWA
County Warning Area
Click for More... SUNDAY MORNING. 
   
  THE GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More... AND ECEC
ECMWF Forecast Model
Click for More... ARE VERY CLOSE AS TO THE TIMING OF THE SYSTEM. THE 
  GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More... HOLDS THE SYSTEM TOGETHER BETTER THAN THE ECEC
ECMWF Forecast Model
Click for More......WHILE THE GEM 
  SHOWS A MUCH STRONGER SYSTEM THAN EITHER THE GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More... OR THE ECEC
ECMWF Forecast Model
Click for More.... WITH 
  THE GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More... AND ECEC
ECMWF Forecast Model
Click for More... IN BETTER AGREEMENT...SUSPECT THAT THE GEM IS A 
  LITTLE TOO OPTIMISTIC. EVEN WITH THE MORE ORGANIZED SYSTEM IN THE 
  GFSGFS
Global Forecast System - One of the
operational forecast models run at
NCEP. The GFS is run four times
daily, with forecast output out to
384 hours.
Click for More......STORMSTORM
Any disturbed state of the
atmosphere, especially affecting
the Earth's surface, and strongly
implying destructive and otherwise
unpleasant weather. Storms range in
scale from tornadoes and
thunderstorms to tropical cyclones
to synoptic-scale extratropical
cyclones.
Click for More... TOTAL ACCUMULATIONS ARE RATHER MEAGER...AND 
  SIGNIFICANT SNOWFALL IS NOT EXPECTED WITH EITHER DISTURBANCE. 
   
  && 
   
  .AVIATION...SURFACE WINDS AT THE SLC TERMINAL ARE EXPECTED TO SWITCH  
  TO THE NORTHWEST BETWEEN 18Z AND 19Z. OTHERWISE...VFRVFR
Visual Flight Rules - Usually
denotes clear skies or ceilings
greater than 3000 ft and
visibilities greater than 6 statute
miles.
Click for More... CONDITIONS  
  WILL PREVAIL THROUGH TODAY UNDER MOSTLY CLEARMOSTLY CLEAR
When the predominant/average sky
condition is covered 1/8 to 2/8
with opaque (not transparent)
clouds. Sometimes referred to as
Mostly Sunny if this condition is
present during daylight hours.
Click for More... SKIES.  
   
  && 
   
  .SLC WATCHES/WARNINGS/ADVISORIES... 
  UT...NONE. 
  WY...NONE. 
   
  && 
   
  
 
   
  PUBLIC...HOSENFELD 
  AVIATION...SCHOENING 
   
  FOR MORE INFORMATION FROM NOAA/S NATIONAL WEATHER SERVICENATIONAL WEATHER SERVICE
An agency of the Federal Government
within the Department of Commerce,
National Oceanic and Atmospheric
Click for More... VISIT... 
  HTTP://WEATHER.GOV/SALTLAKECITY (ALL LOWER CASE)