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Updated: 06:00 PM v2.5
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 Prevailing Wind Direction in Winter?
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| BassistVince | |
Registered Member #44913
Joined: Fri Feb 15 2019, 12:49PM
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Posts: 6
| Greetings.
Can anyone help answer a winter-time question? In winter months, with regular snowfall and snow drifts, what is the prevailing wind direction on the south side of the lake?
In other words, if you live in a building that is oriented squarely north-south, on which side of the building do you get the largest accumulation of snow drifts each winter? thank you.
I looked for historical weather information of this type, but could not find a definitive answer. I have observed that in summer months, the wind direction seems to come from southwest most of the time, but I do not know if this is common in winter. Thanks.
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Vince F — bass player, technical writer, elearning designer
Southern California
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| Benny ⭐ |  Fri Jun 26 2020, 11:18AM | |
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Joined: Fri Aug 18 2006, 05:54PM
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Posts: 11457
| Hey BassistVince!
The predominant wind direction during the winter is from the west, (ie southwest, west or northwest) so your drifts would tend to be on the east side (leeward side).
We do get our Santa Ana's which can flip the flow from the northeast, but that is typically a dry flow without precip.
In the Summer the predominant direction is from the east, but obviously we don't receive snow in the summer.
Hope that helps!
-Ben
Meteorologist
ON TWITTER! OR FOR LOCAL WEATHER [Click Here]
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| BassistVince | | Fri Jun 26 2020, 12:27PM | |
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Registered Member #44913
Joined: Fri Feb 15 2019, 12:49PM
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Posts: 6
| Thank you very much for the helpful and kind information. My question seems oddly specific (in hindsight).
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Vince F — bass player, technical writer, elearning designer
Southern California
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 SCM ALERT🚨1 hour(s) ago From the San Bernardino National Forest:
BDU - Lake Fire – Update
July 1, 2025
Intel flight more accurately maps Lake Fire at 489 acres and 50% contained. Firefighters are focusing their efforts on continuing to build and strengthen containment lines and extinguishing hot spots round the fire.
@CALFIREBDU
As of July 01, 2025 at 04:45PM
SCM ALERT🚨7 hour(s) ago @SBCOUNTYFIRE Last night, #SBCoFD crews assisted @CALFIREBDU at the #SpringsFire. It was a 2-acre vegetation fire off of Highway 330 below Running Springs. [Click Here]
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SCM ALERT🚨18 hour(s) ago HAPPY BIRTHDAY TO: DSD Lanikai Doggie Daddy Have a great day from all of us at SCM! 
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SCM ALERT🚨20 hour(s) ago SPRINGS FIRE HIGHWAY 330 Forward Rate of Spread Has been STOPPED. Highway 330 remains closed until further notice. SCM Incident: [Click Here]AWF Cam Snapshot: [Click Here]
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SCM ALERT🚨20 hour(s) ago @CALFIREBDU [New Incident] Vegetation Fire reported Highway 330 at MM 40 near Fredalba/Running Springs. Vehicle pursuit ended with a single vehicle traffic collision with fire. Fire has spread to the vegetation. Units en route from @SBCOUNTYFIRE @calfirebdu @SanBernardinoNF @CHPInland [Click Here]
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Doggie Daddy!![[Click Here]](https://www.socalmountains.com/incident/scmphoto.php?p=photos/144046-295-SpringFire.jpg){kind=link}