Wednesday, April8, 2020
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Marine Weather and Tides
Kanab, UT

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 7:04AMSunset 8:03PM Wednesday April 8, 2020 6:49 AM MDT (12:49 UTC) Moonrise 7:59PMMoonset 6:44AM Illumination 100% Phase: Full Moon; Moon at 15 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 Kanab, UT
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location: 37.11, -112.22     debug


Area Discussion for - Salt Lake City, UT
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FXUS65 KSLC 081032 AFDSLC

Area Forecast Discussion National Weather Service Salt Lake City UT 432 AM MDT Wed Apr 8 2020

SYNOPSIS. The low pressure system off the southern California coast will turn east and advance into extreme southern Nevada by late Thursday. Somewhat cooler and wet conditions will impact much of Utah through midweek, with drier conditions returning late in the week.

SHORT TERM (Through 12Z Saturday). The upper low currently positioned just off the southern California coast will move inland later this afternoon. From there this low will track slowly east- northeast, reaching extreme southern Nevada by late Thursday.

The initial precipitation associated with the advancing upper low could reach into extreme southwest Utah by late this afternoon. Shortwave energy rotating north ahead of the low through western Arizona will clip the southwest corner by late afternoon. Somewhat cooler air at the mid-levels associated with shortwave along with decent surface heating will likely bring a modest increase to instability across the southwest when the shortwaves passes through the area.

Anticipating a rapid increase in synoptic-scale lift across southern through west-central Utah tonight. Strong, deep layer thermal advection and increasing dynamic lift from the approaching low will lead to an expanding area of light to moderate precip overnight. Locally heavier convective precip will be possible this evening as the nose of the jet reaches into northwest Arizona and extreme southwest Utah.

The low-level baroclinic zone that moved north through southern Utah overnight will likely hold together as rotates into northern Utah Thursday. Solid convergence into this low-level boundary with dynamic support from vorticity lobes rotating around upper low position should generate a band of light/moderate precip along and just north of the baroclinic zone Thursday afternoon and evening. South of this boundary cold air instability along with dynamic support for lift in proximity to the upper low should maintain showery precip across portions of southern and central Utah through early Thursday evening.

The deterministic model guidance continues to show a gradual southwest drift to the low center Thursday night through Friday morning before this features ejects east across southern Arizona Friday afternoon. The deformation axis along the northern flank of the low will reach north to around the Utah/Arizona region Friday afternoon/evening. Showery precip along and south of the deformation will likely remain across northern Arizona, though suspect a few showers will drift in and out of extreme southern Utah during the afternoon/early evening hours. Drier and more stable conditions will move into Utah from the north later Friday night.

LONG TERM (After 12Z Saturday). High pressure will be centered off the Pacific coast to start the forecast period, but a few different storm systems are expected to move over the top of this ridge to impact the weather over Utah and southwest Wyoming. The first one looks like it will impact the area sometime between late Saturday into early Monday. Overall spread in the guidance has decreased noticeably compared to this time yesterday, so confidence is increasing in a significant cooldown for much of the area beginning Sunday. Maxes on Sunday are expected to run at least 5F below seasonal normals, after running up to 10F above those values on Saturday. Some precip is also anticipated, particularly for northeastern portions of the forecast area, but moisture with this system looks a bit limited, which is often the case with back door systems.

After a brief break in the action on Monday, another trough is expected to slide over the top of the ridge into the area Tuesday into Wednesday. Spread in the guidance is higher with this system than the previous, especially with regard to its precise track, however it seems this system will be much weaker than the first one.

AVIATION. The SLC terminal will see VFR conditions throughout the day with mostly clear skies. Southeast winds are expected to shift to the northwest between 17Z and 19Z.

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

CONGER/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, UT42 mi57 minWSW 410.00 miFair21°F16°F81%1016.5 hPa

Link to 5 minute data for KBCE

Wind History from BCE (wind in knots)
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Last 24hrS3CalmCalmSE7SE13
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1 day agoSE9S12
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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 Southwest    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 (8,2,3,4)
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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 numerous 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.