Monday, December9, 2019
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Marine Weather and Tides
Big Water, UT

Version 3.4
NOTICE
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.
6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

Sunrise 7:34AMSunset 5:15PM Monday December 9, 2019 8:48 AM MST (15:48 UTC) Moonrise 3:48PMMoonset 4:47AM Illumination 95% Phase: Waxing Gibbous; Moon at 13 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 Big Water, UT
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location: 37.24, -112     debug


Area Discussion for - Salt Lake City, UT
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FXUS65 KSLC 091046 AFDSLC

Area Forecast Discussion National Weather Service Salt Lake City UT 346 AM MST Mon Dec 9 2019

SYNOPSIS. A Pacific storm system will exit the region early Monday. High pressure aloft will return to the region early in the upcoming week, with another system possible by midweek.

SHORT TERM (Through 00Z Friday). Early morning satellite imagery and objective analysis depict a positively tilted trough exiting the region, while upstream a high amplitude mid level ridge is noted along the Pacific Coast. This is allowing for a deep layer northwesterly flow aloft across the forecast area. With cold air aloft still in place a few orographically induced snow showers continue along and east of the Wasatch crest, while areas of stratus are noted banked along and west of the terrain in GOES nighttime microphysics imagery. Given that the snow has generally tapered to a few lingering showers have gone ahead and dropped the going Winter Weather Advisory. Otherwise anticipate stratus to hang on along the terrain for much of the day and have maintained this idea in the sky cover forecast.

The upstream ridge will gradually translate eastward through Tuesday allowing temperatures aloft to warm. This will allow valley inversions to redevelop across much of the forecast area. A weakening and moisture starved shortwave trough is forecast to cross the area Wednesday bringing an increase in cloud cover and some cooling loft (which may help disperse or at least weaken any inversions which develop), but little if any chance for precipitation.

In the wake of this wave, a strong Pacific jet is forecast to spread inland and nose into northern Utah by Thursday. Warm air/moisture advection associated with this feature will allow for valley rain/mountain snow across far northern Utah by Thursday afternoon.

LONG TERM (After 00Z Friday). Precipitation is expected to increase over northern Utah and southwest Wyoming Thursday night into Friday as shortwave energy moves over the top of the ridge centered off the southern California coast. As it does so, the airmass over the area is expected to gradually cool in the moist west to northwest flow.

A temporary downward trend in precip coverage is possible Friday night into early Saturday as the initial shortwave energy moves away from the area. However, deterministic guidance and associated ensembles continue to be in good agreement that the main system and associated cold front will finally break down the ridge and move over the forecast area Saturday afternoon into Sunday. In additional to having the potential to bring significant precipitation to parts of the forecast area, the system should be strong enough to mix out the air associated with any valley inversions that may have developed. High pressure is expected to return by day seven, with high temperatures having cooled to at least 10F below seasonal normals.

AVIATION. VFR conditions are expected throughout the day at the SLC terminal, though cigs should be at or below 6000 feet AGL before rising above that value between 12Z and 15Z. Northwest winds will continue throughout the daylight hours.

SLC WATCHES/WARNINGS/ADVISORIES. UT . None. WY . None.

Seaman/Traphagan

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
Bryce Canyon Airport, UT34 mi55 minNNW 310.00 miFair12°F8°F84%1018 hPa

Link to 5 minute data for KBCE

Wind History from BCE (wind in knots)
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Last 24hrS7SE8SE6SW3W11W9W7W10NW9N10NW5NW6W4N3NW3NW4N7W4W7NW4N9NW7N11NW3
1 day agoSW3CalmSE11SE13SE9S11S10SE12SE12SE10SE9SE11SE10SE11SE12SE12SE8S5CalmW7CalmCalmW8W8
2 days agoCalmSW4CalmS7S7SE7S8S4S8S11S11S4S3CalmCalmCalmCalmNE4SE4CalmS6SW3W4W4

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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GEOS Local Image of    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 (10,2,3,4)
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Ground Weather Radar Station Cedar 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.