Sunday, March24, 2019

Marine Weather and Tides
Park City, MT

Version 3.4
What's New / NOTES
10/6/2018 Colors of tide XTide graphs changed to emphasize that they were upgraded. See next note. Comments welcome.
10/4/2018 I have fixed XTide and updated the harmonic files. There were some name changes so you might have to click EDIT to find the new station name.

Sunrise 7:07AMSunset 7:32PM Sunday March 24, 2019 2:44 AM MDT (08:44 UTC) Moonrise 11:12PMMoonset 8:31AM Illumination 88% Phase: Waning Gibbous; Moon at 18 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 Park City, MT
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location: 45.83, -109     debug

Area Discussion for - Billings, MT
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Fxus65 kbyz 240253
area forecast discussion
national weather service billings mt
853 pm mdt Sat mar 23 2019

Precipitation is still expected to impact southeastern montana
overnight. However, hi-res models have delayed the timing of it,
and showers won't occur now until after midnight. Patchy to areal
fog may occur in carter county and surrounding areas overnight,
and have been added to the weather grids. A combination of both
fog and precipitation will reduce visibility to under a mile at
times. Vertz

Short term Valid for Sun and mon...

a fairly complex weather pattern exists over the western conus,
with a low over NE ks, a nearly stationary trof over central mt,
and a shortwave in the SW flow aloft over the great basin. Blx
radar shows weak echoes in a band from hysham to colstrip and lame
deer... But these are more suggestive of sprinkles rather than
anything heavier. We are seeing some light rain spread from near
devils tower into southern carter county.

Main issue in the short term period is any increase in the flood
potential W some rain tonight through Sunday night. Very modest
southerly jet over mid level convergent axis will bring greatest
precipitation in an area from roughly miles city to alzada, and in
a more general sense east of rosebud county. Guidance and ensemble
means show 0.10-0.30 inches of precipitation in this area, but
could see locally higher amounts if a heavier convergent band
develops. Snow cover over southeast mt has diminished quite a bit
over the last few days so do not see much of a rain on snow issue,
but rather what any rain will do to streams rivers that are
already high or have ice jams. Will continue to highlight all of
our hydro concerns in the esf. Further west conditions will be
drier tonight into tomorrow morning, then ascent from great basin
trof will bring a good chance of showers to western into central
areas, especially the mountains and foothills, Sunday afternoon
and evening. Mountains will see a few inches of snowfall.

Foothills places like nye and red lodge could see a mix or brief
changeover to wet snow, but any accumulation should be an inch or
less as this will not be a cold system. Areas near the dakotas
border may also mix with wet snow by Sunday night but surface
temperatures should stay warm enough to keep accumulations very

Shortwave will depart from west to east and we will see drying
late Sunday night thru Monday morning.

Temperatures tomorrow will take a step down as we pull in some
cooler easterly winds. Look for highs in the 40s to lower 50s. It
will be warmer with better mixed southwest winds on Monday,
especially in our west, and should see highs further in the 50s
and into the lower 60s, especially as lower elevation snow cover
continues to dwindle.


Long term Valid for tue... Wed... Thu... Fri... Sat...

ridging will continue Tuesday into Wednesday with warmer and dry
conditions possible throughout the entire cwa. Drier and warmer
conditions are expected through this time with many locations
seeing upper 60's and possibly even the 70's on Tuesday and
lowering to the 50's and 60's on Wednesday.

The ridge flattens Wednesday ahead of the next system that is set
to impact our area Wednesday night. The jet will also move east
through montana bringing energy and moisture to eastern montana.

Models are in agreement that a large portion of the CWA will see
precip and cooler temperatures with a possible chance at snow
affecting the lower elevations. This system is still quite a few
days out so please stay tuned for forecast updates on this system.

High temperatures will drop into the 30's and 40's on Thursday
through Saturday. Expect lows to drop to the teens and 20's.


A combination of rain and fog will bring ifr or lower flight
conditions to much of southeast mt tonight through Sunday. Poor
flying weather will likely impact kmls, kbhk, 4bq and 97m. Further
west, scattered showers will produce local MVFR conditions, and
mountains will be frequently obscured in snow showers over the
next 24 hours. Jkl

Preliminary point temp pops
Sun Mon Tue Wed Thu Fri sat
bil 036 052 035 060 037 067 038 058 035 047 027 042 024 047
23 W 51 b 01 b 24 r 56 o 53 W 21 b
lvm 028 046 028 053 029 053 030 046 026 038 019 036 016 039
35 W 60 N 02 W 35 r 57 o 53 j 21 b
hdn 033 053 032 059 032 068 034 059 032 048 024 041 021 047
23 W 42 W 00 b 23 r 56 o 53 W 21 b
mls 036 046 032 052 032 066 035 057 033 047 025 041 022 045
8+ r 61 E 00 b 12 r 45 o 32 j 11 b
4bq 035 049 033 054 033 068 036 061 035 048 026 041 022 045
47 r 33 W 00 b 02 r 56 o 43 W 21 b
bhk 034 042 029 046 031 061 033 056 032 044 022 039 020 042
45 r 72 W 00 b 01 b 34 o 21 b 11 b
shr 033 052 033 057 032 065 034 058 032 045 024 039 020 043
35 W 42 W 00 b 02 r 47 o 64 W 31 b

Byz watches warnings advisories
Mt... None.

Wy... None.

Weather.Gov billings

Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Billings, Billings Logan International Airport, MT25 mi52 minSW 510.00 miFair38°F30°F73%1016.8 hPa

Wind History from BIL (wind in knots)
Last 24hrSW13SW10SW15SW17SW16SW16SW15SW12SW9W9NW14NW12N13NW14
1 day agoCalmCalmW3W5W5SW9W8SW7SW43E4E54SE11SE10NE6NE4NE3N4CalmSW8SW7SW10SW13
2 days agoSW7SW8SW8SW11SW9SW13SW15SW13SW10SW5SW343NE9NE10NE12--N8N8N5NE5N5N3Calm

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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GOES 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.
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Wind Forecast for Billings, MT (4,6,7,8)
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Ground Weather Radar Station Billings, MT
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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 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 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.