Saturday, August17, 2019 L-36.com


Marine Weather and Tides
Bozeman, MT

Version 3.4
NOTICE
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 6:25AMSunset 8:31PM Saturday August 17, 2019 6:54 PM MDT (00:54 UTC) Moonrise 8:52PMMoonset 7:22AM Illumination 94% Phase: Waning Gibbous; Moon at 17 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 Bozeman, MT
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location: 45.71, -110.99     debug


Area Discussion for - Billings, MT
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Fxus65 kbyz 172138
afdbyz
area forecast discussion
national weather service billings mt
338 pm mdt Sat aug 17 2019

Short term Valid for Sun and mon...

a low deck of clouds persisted across much of the CWA through mid
afternoon and has kept our temperatures even lower than forecast.

There is still a band of showers progged to drop south and fill in
across the west and southern zones near the terrain. However, most
of the rain has remained over northeast montana near the max
area of 500mb height falls so far, but as 700mb frontogenesis
drops south we do expect scattered showers to increase.

Most of the precipitation will end or move southeast by midnight.

Overnight lows will be pretty cool for this time of year, in the
mid 40s to around 50, but these are 4 to 8 degrees above record
lows. Some patchy fog is possible over the area, mainly in low
lying areas and river valleys, but is not expected to be a
widespread issue.

Temperatures will quickly rebound for the start of the week as
high pressure rebuilds over the region. Highs Sunday will be in
the 80s, with upper 80s to lower 90s on Monday. Sunday and Monday
will be dry. Bt

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

ensemble guidance implies high confidence in an upper level ridge
prevailing through the extended forecast period. An occasional
weak impulse in the W SW flow may produce some isolated convection
over the mountains and foothills, but 700mb temps suggest the
lower elevations may remain capped much of the time. High
temperatures will range from the mid 80s to mid 90s during the
extended forecast. Bt

Aviation
Scattered showers and isolated thunderstorms are expected this
afternoon into the early evening hours and then will diminish
overnight. Low clouds will keep ceilings in the MVFR-ifr range
through early this evening and then will generally lift toVFR
ceilings overnight. Patchy fog and localized vlifr-lifr ceilings
from low stratus are possible after 06z Sunday, but confidence is
low. Mountains will be obscured through tonight. Rms

Preliminary point temp pops
Sun Mon Tue Wed Thu Fri sat
-----------------------------------------------------------
bil 050 088 060 095 061 088 060 092 063 095 063 092 062 089
30 u 00 u 10 u 10 u 10 u 10 b 10 b
lvm 046 087 053 091 052 087 053 091 056 092 055 090 055 086
30 u 00 u 10 u 00 u 10 u 10 b 11 b
hdn 048 087 057 094 059 087 059 091 061 094 061 091 060 089
20 u 00 u 00 u 10 u 00 u 10 b 10 b
mls 047 082 058 091 059 084 059 088 062 092 063 089 061 086
20 u 00 u 10 u 10 u 10 u 10 u 10 b
4bq 047 082 057 091 058 084 058 086 060 091 060 089 060 086
30 u 00 u 00 u 21 u 10 u 10 b 10 u
bhk 044 079 056 090 056 081 055 083 058 090 060 088 059 086
20 u 00 u 10 u 10 u 11 u 10 b 10 b
shr 047 084 056 093 056 086 056 089 058 092 059 090 058 087
30 u 00 u 11 u 22 t 21 u 10 b 10 u

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
Bozeman, Gallatin Field, MT10 mi2 hrsW 910.00 miPartly Cloudy71°F43°F36%1009.1 hPa

Link to 5 minute data for KBZN

Wind History from BZN (wind in knots)
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Last 24hrN8N8--NW6----NW7NW9--W5SW4W8--SW4SW4SW434N4NW7N6NW10W94
1 day agoW12
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--SW11S8SE6--SE6--SE5E4E3--S3SE6--34W9NW5N6NW13
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2 days agoNE5CalmSW3SE5S6S7SE5SE4S5S4SE4CalmS5S6CalmCalmCalmN5NW6NW7W4----N7

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    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

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Wind Forecast for Billings, MT (20,4,5,8)
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Ground Weather Radar Station Billings, MT
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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.