![]() To be fair, when the alarm sounds it doesn’t necessarily mean that a storm is coming, it means the barometric pressure has dropped significantly enough, and the atmospheric conditions are possibly ripe for a storm, but it does work! This feature is especially useful during fall, winter and spring months when precipitation is not predominately from thunderstorms. This caused three things to happen: first, he erupted in laughter, I suppose because he wouldn’t rely on a watch to determine inclement weather second, he gave us a brief lecture on checking with the UAC prior to any possible touring and third, we had a positively riveting discussion about thermodynamics. I happened to be standing next to one of my meteorologist friends when it detonated. Though it was somewhat disappointing to hear it sound shortly after we fired up the grill, thankfully it was a short-lived storm and produced very few drops. There was a 30% chance of precipitation the night the Storm Alarm went off. If it’s a birthday party, I can usually elicit some lightning too. The probability of thunderstorms rises in direct correlation with my boldness to entertain friends. I have this unbelievable ability to affect the weather by hosting parties in my backyard. You may not believe this, but I actually have special powers. After entering all the values, I had to wait for a storm in the forecast to see if the alarm would actually work. So if barometric pressure drops rapidly, the Storm Alarm should sound. Each line represents a three-hour period. The Core’s Weather Trend Indicator is comprised of two lines that form an arrow. Then I used to find the altitude reference value for my exact location. I compared their metrics with the sea level pressure data from located under history data tab, which had the same reading. The National Oceanic and Atmospheric Administration () lists barometric pressure by location under the current conditions section. Air pressure is one of the most important factors in determining weather patterns so getting a correct mercurial reading is key in order for the Storm Alarm to work.īefore entering the inHg, (inches of mercury), I checked two sites for the sake of redundancy. The Core watch calculates altitude and sea level air pressure by constantly measuring absolute air pressure. Suunto’s Storm Alarm feature does just this, and may be extremely helpful for backcountry touring and other weather dependent adventures-if it works. I need a watch that can measure units of pressure, known to scientist types as hPa, (hectopascals) and relate what that means to me in some type of primitive format, like arrows that indicate rapidly dropping air pressure or perhaps a storm alarm. I know almost nothing about barometric pressure, and I’m terrible at math. However, because we’re not together every second of the day, getting a watch that alerts me to changing atmospheric conditions, seemed a logical choice. Some of my closest friends are meteorologists, whom I trust implicitly when it comes to weather-based decision making for recreation.
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