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Hi, I have a question about Altimeter / Barometer / Storm Warning.

FR 945 - The problem is that the watch reports a storm warning every time the altitude changes significantly. And in the altimeter sensor settings I have the AUTO mode turned on, which should automatically know whether to assign data from the barometer to altitude or weather, depending on whether I am moving or not (at least that's what Garmin says). My barometer sensitivity is set to 3hPa in 3 hours. So I ask, am I doing something wrong somewhere, or does that just not work? And if it doesn't work, try to make a reclamation?

0 who knows over 3 years ago

7166113 said:
The problem is that the watch reports a storm warning every time the altitude changes significantly.

The storm warning has nothing to do with altitude changes and everything to do with pressure changes. So, they question is why is there a dramatic change in pressure? Temperature change plays a big factor. If going from a cool temperature to a warm temperature; and vice versa, the change happens quickly enough where auto mode thinks this must be do to quick elevation change. Wind gust will also have this effect. The best practice is to "climatize" your watch to the environment you'll be doing your activity in and then to calibrate the altimeter and barometer to the correct altitude and pressure prior to starting your activity to correct any drift that may have taken place. You may also want to try the different barometer modes that best fits your activity. Auto mode basically guesses if altitude change was due to an actual change in elevation or weather. As stated above, it can easily be fooled.

support.garmin.com/.../

0 7166113 over 3 years ago in reply to who knows

''The storm warning has nothing to do with altitude changes'' - This is a bad statement. As the altitude changes, so does the air pressure. And the watch measures altitude according to the barometer. The temperature is not related to this, I would say, because the mentioned problem occurs even without significant temperature changes.

0 e7andy over 3 years ago

Did the pressure change 3hPa in 3 hours when you got the storm warning? If yes, then it is working.

Do you need the storm warning? I believe most people turn it off since it will give lots of false warnings and in normal use the warnings are of very little value. I think that the intended use is for hiking in the mountains when you are moving slow and the weather can shift rapidly and it can get dangerous really quick.

0 who knows over 3 years ago in reply to 7166113

7166113 said:
The problem is that the watch reports a storm warning every time the altitude changes significantly.

You can be stationary and receive a storm warning. You don't have to be changing elevation. I have done many hikes in the Cascades that's started around 500 feet and have gone up to 5000 feet. Do you consider that a significant change in altitude? No storm warning. The only time I get a storm warning is when I have a rapid change in pressure and it doesn't matter if my elevation changes or I'm stationary. Watches such as the FR235 had GNSS altimeters. Elevation came from satellite connections. You couldn't get a storm warning on the 235 because it didn't have a barometer to measure pressure. So, back to your issue. You need to figure out why you had a rapid change in pressure. The link below will be able to assist.

support.garmin.com/.../

0 7166113 over 3 years ago in reply to e7andy

Yes, it works, but not as it should. If I have the AUTO mode set, the barometer data should be automatically assigned to either weather or altitude. And when I go to the mountains and quickly ascend to a higher altitude (for example by car) where the pressure is lower, the watch should assign the data to the altitude, not to the weather, and thus not to report a storm warning. But with each such rapid pitch change, the watch reports an alert.
Yes, I would like to use this feature reliably in the higher mountains, where I have been for two weeks and there is no civilization or internet connection.

0 7166113 over 3 years ago in reply to who knows

I know. When I'm in the mountains, I change altitude. But I have a storm warning every time the altitude changes significantly and quickly, because there is lower pressure at higher positions. That's why the watch has an AUTO function, which is supposed to know this, just that it doesn't work as it should. Maybe I have set a very high barometer sensitivity, I have reduced the sensitivity, so I will see what it will do.