Description

Skiers and backcountry enthusiasts of all types will find the Summit Atmospheric Data Center incredibly useful.

The Brunton Atmospheric Data Center Summit is a pocket-sized unit that gives you an array of weather information, from wind speed to barometric pressure. Fickle weather and microclimates can wreak havoc on your backpacking, skiing, or climbing trip. The Brunton ADC Summit tracks the climate where you are and reports on an incredible array of conditions, including temperature, wind chill, wind speed, and barometric pressure. It even examines trends and then forecasts the coming 12-hours of weather. The ADC Summit features a storm alarm that goes off if the barometric pressure drops—a sweet feature if your view of incoming weather is blocked by the peak you're trying to summit. An altimeter alarm tells you when you've broken a set altitude as you stumble up a Colorado Fourteener, and a ski run counter is a fun feature to have on the slopes. Standard features like time, day, and date come included, along with a chronograph and race timer.

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Here's what others have to say...

I have the Bruton Atomspheric Dat Center...

I have the Bruton Atomspheric Dat Center Pro- need an operaton gude. Does anything exist oline thatcous hep me out here?

Responded on

have you tried their customer support at bruntonoutdoor.com?

What is the lowest operating temp? I had...

What is the lowest operating temp? I had a high gear altitech altimeter and it turned off as temp got into lower teens, then came back on after it got into the 20s. Very frustrating using it while skiing.

Responded on

The batteries this device uses will be its limiting factor I have found. When the batteries are brand new I've had it work with a sluggish display in temps around 20. But with even a couple weeks of use on the batteries the device fails at ~30.

What size is that buckle shown in the...

What size is that buckle shown in the photo? 1/2 inch? Does it include the other half as well or are you supposed to attach it to something you have?

Best Answer Responded on

It comes with a lanyard that attaches to it using the standard 1/2" buckle.

4 5

Good product

fast, small and reasonably accurate, a little lag on the tail end of a wind reading, but I don't know an anemometer that doesn't. Perfect for in field weather analysis and forecast!

Unanswered Question

Has anyone found a simpler watch? I just...

Has anyone found a simpler watch? I just need the time and temperature to attach to my ski jacket.

Is this item waterproof or water resista...

Is this item waterproof or water resistant?

For each 1000ft you ascend, you will measure...

For each 1000ft you ascend, you will measure a pressure drop of roughly 1 inch Hg (under steady atmospheric pressure). Let's say a good pace will gain you 2000ft of elevation every three hours, that's a pressure drop of 2 inches Hg. I'm not a meterologist, but after reading up a bit, my understanding is that a strong storm might give an average pressure drop of ONLY 0.1-0.2 in Hg over 3 HOURS. Only in hurricanes or other rare weather events will pressure drops even approach 0.5-1 in Hg over three hours. If this is correct, then how could the storm alarm function on an ascent? I sersiouly doubt that it can, nor was it intended to do so.

Responded on

The watch has an altimiter so it knows what the pressure should be, and checks how much the pressure has changed vs. how much your altitude has changed. Any anomolies in that would point to a storm.EDIT (Jersey Hiker): No, you are not correct. I guess a lot of people don't understand that a pressure-based altimeter and a barometer are THE SAME THING. This is a drawback because you will always have to calibrate the alitmeter to a known altitude immediately before using it. Additionally, if atmospheric pressure changes during your climb (which it usually does to some extent) it will introduce an error into your reading (not usually a big error though, especially if you use a topo to recalibrate whenever possible).A GPS is an example of a non-pressure-based altimeter since it uses satellites to compute your position and altitude. With good reception, a modern GPS is reasonably accurate (USUALLY, but I've had mixed results myself - also having a standard altimeter or combined unit is preferred).For example: Say you're planning to summit a peak - if you calibrate your pressure-based altimeter in a location with a known altitude right before your hike, then reach the summit and find that the measured altitude is a few hundred feet higher than the surveyed peak height, this means that atmospheric pressure has probably dropped since you began your hike (or the survey is wrong, USGS figures are very accurate though). This also would suggest a possible storm (or low pressure system) approaching. Your altimeter can't warn you when your climbing, but (as I just demonstrated) you can get an idea of the barometric trend by yourself if you understand the basics.

Responded on

You're right about the storm warning. The weather forecaster will not work very well when you're changing altitude. Like any pressure based altimeter it needs to be recalibrated fairly often to be accurate at all due to pressure fluctuating with the weather.

Basically, it's either an altimeter or a weather tool, dependant on whether you're changing altitude.

Barometers only function properly when...

Barometers only function properly when your altitude isn't changing, thus, how could the storm alarm function when you're ascending a peak? I suspect that this product description might be a bit misleading - the storm alarm should work nicely when you're at camp for some time, but not while climbing (a GPS/barometer, however, could be capable of this as it can determine your altitude independent of air pressure).

4 5

A little big but functional

This product seemed to work well but for me, it was a little bulky. I was also concerned about the durability of the wind sensing impeller since it does not have a cover. Ultimately, I returned this because of these reasons and will probably get the Trail Tech Altitech which is slightly smaller but with less features. If you do not mind the bulk and need the functions, I think it would work great.

Responded on

The wind speed indicator does close because it is on a rotating spherical base that rolls shut.
We love our unit. It is completely waterproof so it can be imersed in water and thus water current can be checked with the wind speed indicator.
The unit is always on. It uses very little energy and the battery lasts quite a while. We have not changed ours yet and had it two months. It is too bad that they don't make these batteries in rechargables but it is not a big deal.

What type of battery does this use? How...

What type of battery does this use? How long does the battery last? Can it be used with a solar recharger?

Best Answer Responded on

This uses a small (about the size of a US quarter) lithium primary battery. They are not rechargable and there is no such rechargable battery currently available.

5 5

I like this

i love the ADC Summit, its a great tool i take it with me hiking skiing and snowboarding. the features are: altimeter (i love that because its water proof), Barometer(its good to know when a storm is coming), time (need to know how many hours until 5 o'clock), Anometer (wind speed teller thing), compass, temperature, windchill. i just love the product its a good quality for a GREAT PRICE you can't get any lower than the price they have it at

4 5

Nice Toy

Great as a multi-function tool. Test water temperature before diving in, speed of rapids or wind, get the temperature or know your altitude. The altitude does not always seem precise, but close enough for what we need.