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Meeting Minutes, News, & Articles

New Laguna WX Station

12/18/2017

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​The 3rd SDHGPA weather station of three planned for 2017 was installed at Laguna on 12-16-17 and is up and running! 
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A Big Thank You!, Goes out to efforts of those that braved the elements for the installation work over two days. When the station went Live, it was reporting 37 F with gusting winds to 17 mph. On the 16th, it started to snow in the Lagunas shortly after installation.
Expected Readings & Location: The Laguna station location was chosen to represent the general base wind at the Upper Launch and indicate West blow down and shear that would result when the Face may still be blowing up. This location will under report the vertical component of actual winds coming up the Face at the Cliff Launch and house thermal out in front of the Upper launch.  
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Laguna WX Station looking North to Granite Mountain

Data from the Laguna station is live and is working well


About the SDHGPA Laguna Weather Station
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​For this 3rd station, we chose the Ultrasonic wind sensor like at Palomar for less maintenance and more obscurity due to no moving parts. The rest of the system is similar to the Palomar and Horse stations that are also solar powered and send data over a cellular network connection. Data is then sent to the Holfuy Data hosting site and WEB based data visualization. ​
  • Data Sheet for the Palomar & Laguna LCJ CV7 Ultrasonic Wind Sensor
  • Data Sheet for the Horse Davis 6410 Anemometer Wind Sensor
  • How are the Holfuy weather stations measuring and processing the wind speed
The Weather Station data can be viewed in several ways:
  • On our SDHGPA Weather Station page under Whats Happening menu.  
  • On the Laguna Site Guide Page
  • On Several Holfuy.com Station interface pages : SDHGPA Laguna Station Data Page, Map Page . . .
  • Using the Holfuy App that is available for iOS & Android 

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December 2017 Santa Ana Winds

12/15/2017

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Both the Palomar and Horse Weather Stations withstood the strong sustained winds all week Dec 4th through the 9th. This is the 1st time the stations have displayed magenta, beyond red, wind speed shadings.
PicturePalomar 5 day graph Dec 3rd - 8th (1hr Average with peak)

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Here are some data snapshots from the Week. The above Palomar graph represents 1 hour average base wind with peak gust. You know the wind was strong from the reported 47.7 mph 1hr averaged base wind on the 7th at 10:30am.
The Palomar Station reported 50.8 mph Base Wind (15 min average) ​ with gusts to 69.4 mph at 10:18 am on 12-7-17. 

The Horse Station reported 39.7 mph Base Wind (15 min average) ​then gusts to 60.8 mph 15 min later at 8:26 am on 12-7-17. 
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Palomar max reported Base Wind 50.8 & Gusting to 69.4 (15 min Average) (1 day graph zoom on 12-7-17).
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Horse max reported Base Wind 39.7 & Gusting to 60.8 (15 min Average) (1 day graph zoom on 12-7-17).
Note that some of the variation between the two stations is due to placement locations and less than ideal locations for reading NE winds due to being in the lee and rotor conditions. Although the sensors are different, the wind speeds were well within the operating specifications for the sensors.

Data Sheet for the Palomar LCJ CV7 Ultrasonic Wind Sensor
Data Sheet for the Horse Davis 6410 Anemometer Wind Sensor
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USHPA 
(United States Hang Gliding and Paragliding Association)
SDHGPA, P.O. Box 420973, San Diego, CA. 92142-0973