wind gust

jk1973 · Post by **jk1973** » Wed 23 Mar 2011 7:00 am

Dear all

did anyone face a problem of wind gust reading? what is happening with my station
is : the wind is calm, but the gust appear on my console 95km/h the speed if ok
my ws2316 was working good from about 8months suddenly 2days ago
i reaslize this trouble.

thanks for help

jk1973 · Post by **jk1973** » Thu 24 Mar 2011 6:28 am

Dear All

Ceach this out its interest way to repair fake wind reads

http://users.otenet.gr/~meteo/project_r ... -cat5.html

regards,

CheroKiwi · Post by **CheroKiwi** » Thu 24 Mar 2011 11:34 am

I did this a few years ago and it does work.

Only difference is I didnt cut the cable, I took it apart
and went to the circuit board.

Ron

CheroKiwi · Post by **CheroKiwi** » Sun 12 Jun 2011 8:31 pm

Must be something in the water ..............

Mine has run for a few years after that mod now I get a 114mph gust at least once per day.
It is always 114 , at different times - could it have gone bad or just could it be a calc error when it reaches a certain level or something -

Thanks

Ron

yv1hx · Post by **yv1hx** » Thu 23 Jun 2011 8:31 pm

Our station behave in a similar fashion, but using the Cumulus spike option the problem was solved.

Post by **steve** » Thu 23 Jun 2011 8:35 pm

As I told Ron in reply to the PM he sent me, for this strange maximum value, you can also use the LCMaxWind setting in cumulus.ini, as 114 mph is apparently above the maximum value for the station anyway.

beteljuice · Post by **beteljuice** » Thu 23 Jun 2011 11:21 pm

There has been some recent solar flare activity, and geomagnetics are unstable - and LaCrosse anemometer cables are very susceptible to 'interference !

CheroKiwi · Post by **CheroKiwi** » Wed 29 Jun 2011 12:29 pm

Hi Steve

Thanks for your input. The main problem is for some reason even when
the gust is in single digits it sometimes shows 114mph.
My next step is to put Ferrite Core at each end of the cable -
maybe that will help.

Ron

Post by **steve** » Wed 29 Jun 2011 1:06 pm

CheroKiwi wrote:The main problem is for some reason even when the gust is in single digits it sometimes shows 114mph.

Does the LCMaxWind setting not work? 114 mph = 50.1 m/s, so setting LCMaxWind to 50 or 49.9 should filter those out, if it works as intended.

CheroKiwi · Post by **CheroKiwi** » Thu 30 Jun 2011 1:09 am

steve wrote:
CheroKiwi wrote:The main problem is for some reason even when the gust is in single digits it sometimes shows 114mph.
Does the LCMaxWind setting not work? 114 mph = 50.1 m/s, so setting LCMaxWind to 50 or 49.9 should filter those out, if it works as intended.

Am doing one adjustment at a time.
Just set LCMaxWind so ill let you know how it goes.

Ron

CheroKiwi · Post by **CheroKiwi** » Fri 01 Jul 2011 1:57 am

I changed the LCMaxWind setting - so far so good.
I usually only make one change at a time or Ill never know
which worked and which didnt.

CheroKiwi · Post by **CheroKiwi** » Sat 02 Jul 2011 12:42 am

Hi Steve

114 stayed away one day. Its back and yes I used your spike info.

Ron

Post by **steve** » Sat 02 Jul 2011 7:16 am

CheroKiwi wrote:114 stayed away one day. Its back and yes I used your spike info.

What value did you set LCMaxWind to in cumulus.ini? Did you put it in the [Station] section? Did you edit cumulus.ini with Cumulus stopped?

CheroKiwi · Post by **CheroKiwi** » Sat 02 Jul 2011 1:07 pm

Hi Steve

In ini station section it is

Gust 34.4
Speed 33.5

My first change was 49.9

The original 49.9 change was done in calibration settins tab
these 34/33 are done in ini file with it all shut down.

Post by **steve** » Sat 02 Jul 2011 2:32 pm

But the setting which will take out the 114 mph readings is LCMaxWind; what have you set that to?

Cumulus Support

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