Saturday, March28, 2020
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Marine Weather and Tides
South Glastonbury, MT

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 7:08AMSunset 7:49PM Saturday March 28, 2020 2:32 PM MDT (20:32 UTC) Moonrise 8:24AMMoonset 11:15PM Illumination 23% Phase: Waxing Crescent; Moon at 5 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 South Glastonbury, MT
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location: 45.26, -111     debug


Area Discussion for - Billings, MT
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FXUS65 KBYZ 281536 AFDBYZ

Area Forecast Discussion . Updated National Weather Service Billings MT 936 AM MDT Sat Mar 28 2020

UPDATE.

Morning clouds are expected to give way to some sunny skies this afternoon. No shower activity is expected except for some snow showers over the mountains. Breezy conditions will be likely along with slightly warmer temperatures with lower 50s common except for some upper 40s along the foothills. Current forecast remains in good shape so no updates are planned this morning. Hooley

DISCUSSION.

Today through Sunday night .

Well mixed day today will bring gusty winds to the area this afternoon and push temperatures into the 50s. West to northwest winds will gust to 30 mph in many locations this afternoon. There will be a feed of Pacific moisture into the western mountains for isolated to scattered snow showers in the higher terrain, and isolated rain showers in the valleys and foothills. Sunday will be similar to Saturday with a bit less wind but temperatures around 60 degrees. Will continue to see a chance for western mountain and valley showers. Chambers

Monday through Friday night .

Winds will continue to be the main concern for the first part of the work week before the forecast becomes more uncertain due to ensemble spread.

Gap flow winds will increase on Monday allowing for winds to increase to sub-advisory levels due to southwesterly flow and lee- side troughing. The increasing winds speeds will spread from Livingston to Billings areas as the front begins to move through the area on Tuesday.

Uncertainty still remains for Tuesday onward as ensemble spreads are near 50 degrees. High temps for Tuesday have been lowered into the 40s for most locations with some along the ND border seeing the low 50s. This could change as models come into better agreement on the timing of the front. Models continue to differ between the front arriving Tuesday or Tuesday evening but have leaned towards it arriving during the morning, keeping temps on the lower side. Below normal temps are expected for Wednesday and Thursday but just how cold uncertain. Light rain and snow showers will be periodic throughout this time but no significant accumulations of snow are expected. Stay tuned to the forecast as we get closer to this event and details become more clear.

Highs on Monday will warm to 50s in the west to mid 60s in the far east. Tuesday's highs will cool into the 40s with 30s expected Wednesday and Thursday.

Carrothers

AVIATION.

VFR conditions will prevail over the next 24 hours. Mountains will be obscured at times due to snow showers. Carrothers

PRELIMINARY POINT TEMP/POPS.

Tdy Sun Mon Tue Wed Thu Fri ------------------------------------------------------- BIL 053 032/059 035/060 037/048 024/037 020/038 020/048 0/U 00/U 02/R 33/O 22/S 22/S 22/O LVM 046 029/051 034/052 034/040 023/033 017/037 018/046 2/W 22/W 14/R 45/S 33/S 32/S 22/O HDN 054 029/060 031/062 036/049 023/038 019/040 019/050 0/U 00/U 02/R 34/O 32/S 22/S 22/O MLS 053 030/059 032/062 036/048 021/034 016/037 017/045 0/U 00/U 01/U 33/R 21/E 21/B 11/B 4BQ 051 028/057 029/062 033/052 022/036 018/037 018/045 0/U 00/U 01/U 23/R 11/E 11/B 11/B BHK 052 028/056 031/062 033/052 019/031 013/034 014/042 0/U 00/U 01/U 22/R 21/E 21/B 11/B SHR 048 027/054 029/058 031/045 024/037 020/037 018/045 1/B 10/U 01/U 24/O 21/E 22/S 22/S

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, MT37 mi97 minW 1310.00 miOvercast46°F19°F34%1015.5 hPa

Link to 5 minute data for KBZN

Wind History from BZN (wind in knots)
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Last 24hrW5SW10W6SW7SW6W3CalmSW5W10SW5W4CalmNW5W5CalmCalmW84SW9SW10W12W11
G19
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1 day agoCalmW9W7W13
G19
W8W7SW7W7W8NW5NW4CalmS5SW5S5SE7SE5S6S6Calm55W64
2 days agoCalmNW5NE6NW4NE8W5NE4SE7S3S4CalmCalmE4N3CalmCalmW5CalmW3SW3Calm5
G16
W8NW10

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_P
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 Billings, MT (16,3,4,5)
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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 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.