Wednesday, May23, 2018 L-36.com


Marine Weather and Tides
Salt Lake City, UT

Version 3.4
What's New / NOTES
5/20/2018 -- NOAA is having problems with the data feed that I use to draw the graphs. They are aware of the issue and working to resolve it. Sometimes changing the location by about a mile will give a correct graph. 3/3/2018 - There is a new GOES Satellite for the east coast that required rewriting that part of the code. Please report any issues.

Sunrise 6:01AMSunset 8:47PM Wednesday May 23, 2018 6:31 PM MDT (00:31 UTC) Moonrise 1:49PMMoonset 2:10AM Illumination 67% Phase: Waxing Gibbous; Moon at 9 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Salt Lake City, UT
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location: 40.78, -111.93     debug


Area Discussion for - Salt Lake City, UT
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Fxus65 kslc 232111
afdslc
area forecast discussion
national weather service salt lake city ut
311 pm mdt Wed may 23 2018

Synopsis High pressure aloft will build over the region
Thursday into Friday. The next pacific storm system will move into
utah and southwest wyoming on Saturday, continuing to impact the
area through Tuesday.

Short term (through 12z Saturday) The low pressure system that
had been over the forecast area is currently centered over north
central wyoming. Lingering shortwave energy on the back side of
the system is providing the instability for popcorn convection,
greatest in coverage over northern utah. These storms will tend to
weaken due to the loss of daytime heating and the storm system
continuing to pull northward.

Behind the exiting storm system, high pressure aloft will move
into the region for tomorrow into Friday, resulting in a drying
and warming trend. Cannot rule out a few showers over the higher
terrain, but overall the drier and more stable airmass will tend
to suppress convection. Utah and southwest wyoming will see
noticeably warmer temperatures tomorrow with maxes running in
excess of 10f above seasonal normals, with the mild temperatures
continuing into Friday.

Long term (after 12z Saturday) The unsettled, cut-off low pattern
continues with the next trough digging south through the great basin
as we head into the weekend. While this system appears to be lacking
in moisture (as of now, fairly weak), with precipitable water values
less than half an inch, the diffluent flow aloft and strong
(relatively) jet dynamics should be enough instability to generate
afternoon showers and (isolated) thunderstorms. Global models are in
rather good agreement through most of the extended period, for
better or worse.

Prior to this system swinging through, temperatures will be running
warm. This system draws in some cooler air aloft, and with increased
cloud cover, day time highs early into next week will be a bit
cooler than days before, however still remaining near seasonal
normal.

Winds on Saturday look to be the strongest of the period, as the
storm creates a tight gradient pushing through the desert southwest.

As the low slowly weakens and opens up by early next week, heights
will build (although, for a short period of time) under weak
ridging. For the extended period kept the going forecast while
adjusting the pops on Saturday and Sunday to better reflect the
coverage of showers.

Aviation There is a 30 percent chance of showers thunderstorms
impacting the slc terminal between 21z and 03z, with erratic winds
as the most likely impact. Otherwise, light northerly winds will
likely prevail, before switching to the southeast around 01-03z.

Fire weather The storm system that has been impacting the
district is heading northward out of the area today and will fully
exit tonight. Behind it, high pressure aloft will build in for
Thursday into Friday, resulting in drier, warmer, and more stable
conditions. Winds will pick up Friday ahead of the next system,
resulting in breezy conditions for some locations, particularly
over southern and western utah. The airmass will be dry enough by
then for there to be isolated severe fire weather conditions but
fuels are not yet critically dry. The pacific storm system will
move into the district Saturday, slowly moving across through
Tuesday. This will result in noticeably cooler temperatures, and a
return of showers and thunderstorms, especially over northern
utah.

Slc watches warnings advisories
Ut... None.

Wy... None.

Short term fire weather... Traphagan
long term... Dewey
aviation... Schoening
for more information from noaa's national weather service visit...

http: weather.Gov saltlakecity
for frequently asked questions about the area forecast discussion
visit...

http: weather.Gov saltlakecity general afd_faqs.Php


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Salt Lake City, Salt Lake City International Airport, UT2 mi98 minN 010.00 miMostly Cloudy71°F48°F46%1013.9 hPa
Hill Air Force Base, UT24 mi94 minSSW 510.00 miFair72°F39°F30%1010.8 hPa

Wind History from SLC (wind in knots)
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Last 24hrN5S10NE12SE6S8SE6SE8SE7S7SE5SE10SE8SE8SE9SE11SE9S11
G17
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G27
NE8N11CalmS3
1 day agoSW8N12
G21
N10N6W6W6NW10N6NW3SE4SE5S5SE4SE3CalmS3SW4CalmW9N9NE9NW14
G17
N21N14
2 days agoS5SW4N6CalmS4CalmSE5S3CalmCalmS8E6NW3CalmCalmCalmCalm4N7N56E7E12
G17
5

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map and Satellite Images
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wmap_P
GOES Local Image of CentralPlains    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Salt Lake City, UT (20,4,5,8)
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Ground Weather Radar Station Salt Lake City, UT
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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.