How Adiona Alert Uses Ultra-Precise Location-Based Alerts to Outperform Others

Have you ever wondered how the Adiona Alert service differs from other apps or weather radio receivers? Or, how the ultra-precise location-based alerts we offer have a significant edge over other apps or weather radio receivers?

Ultra-Precise, Location-Based Alerts

Adiona Alert tracks your current location through the GPS data reported by the Garmin inReach, ZOLEO, or Bivy Stick satellite communicator that you already carry. Because we access your precise longitude and latitude, we can send you alerts based on your exact position. Whether an alert is for your current location or was issued earlier, our service will promptly send you the relevant information when you are in the affected area.

Unlike other apps or services, we do not rely on broad areas like county boundaries when the alerting agency has specified a particular, defined zone. I will discuss this further shortly, but as a result, you will not receive an alert just because you are in a general area or county, even if you are out of danger, and instead, you will only get an alert when you are within the carefully determined zone as set by the alerting agency.

Area or County-Based Alerts

Many weather alerting apps and services issue alerts based on the county or area you are in, even if the app monitors your location. As a result, when you receive an alert, you lack clarity about whether the tornado, flash flood, or other severe weather genuinely poses a risk to you.

Here are two examples based on recent flash flood alerts issued by the U.S. National Weather Service, which we delivered to our users in Arizona.

The first, a flash flood warning, was issued on September 4, 2025, for Coconino County, Arizona, due to heavy rain and debris flow risk, including the Grand Canyon National Park and nearby areas.

As shown in the image above, the alert was issued for a specific and limited area within Coconino County, marked by the blue-shaded region. When the NWS issued the warning, it evaluated only this particular area as being affected by the risk from heavy rains and debris flow. However, it also extended this alert to the entire Coconino County, shown by the green-shaded area on the map, for the purpose of disseminating the alert through channels like weather radio receivers, TV and radio emergency alert system notifications, and other alerting services. As a result, some individuals may have received this alert across a much larger area than the actual risk zone.

Compared to the entire county, which is 18,661 square miles (48,330 km²) and the second largest county in the continental United States, we only send alerts to users when their last reported location is in or near the affected area or blue shaded area, which is approximately 71 square miles (183 km²). The at-risk or blue shaded area accounts for less than 0.4% of the total warned region.

Let’s examine another flash flood warning issued the next day, on September 5th, 2025, this time for southwestern Mohave County in Arizona and northeastern San Bernardino County in California. Similar to the first alert, the NWS assessed the risk as “life-threatening flash flooding of low-water crossings, creeks, normally dry washes and roads” and outlined a specific area, marked with blue shading on the map. To aid public understanding, NWS meteorologists included a description of the impacted area in the alert, noting “Some locations that will experience flash flooding include... Lake Havasu City, Parker Dam, Topock, Highway 95 At Mile Marker 29, Wikieup, Needles, Desert Hills, Three Dunes Campground, Cattail Cove State Park, Black Meadow Landing Campground, Earp, Big River, Arizona Village, Mohave Valley, Vidal Junction and Wild Cow Campground. This includes the following highways... Interstate 40 in Arizona between mile markers 0 and 1. Interstate 40 in California between mile markers 139 and 155.” To their credit, this description would have been helpful to individuals receiving the alert via weather radio, as it provided clear points of reference.

However, the alerted area was the counties of Mohave County and San Bernardino County (the green shaded area on the map), covering a total of 33,566 square miles (86,930 km²), which is larger than the state of Maine. In contrast, the actual defined at-risk area (the blue shaded area on the map) was only 3,164 square miles (8,193 km²), less than 10% of the total county-based warning area.

NOAA Weather Radio and Canadian Weatheradio

Let me begin this section by highlighting the excellent services that the National Oceanic and Atmospheric Administration (NOAA) Weather Radio Service and the Meteorological Service of Canada's Weatheradio deliver, which have been provided since the 1960s. These services are essential and offer life-saving information for communities across the U.S. and Canada. This network of more than 1000 radio transmitters supplies over 95% of the U.S. population (nearly 200 radio transmitters serving more than 90% of the population in Canada) with current weather conditions, weather forecasts, and severe weather alerts.

The broadcast range for a NOAA Weather Radio or Canadian Weatheradio transmitter is about 40 miles (60 kilometres), but this largely depends on factors like terrain, receiver quality, and antenna height above ground.

Weather radio receivers are also easily accessible; you might already own one as part of a two-way radio, such as FRS/GMRS or marine radio. Some of these radios and specialized weather receivers can even emit a loud tone during a severe weather alert. The most advanced dedicated weather radios can be programmed to notify users only when an alert is issued for their area, using Specific Area Message Encoding (SAME) codes, which mostly align with county boundaries. Dedicated weather radios using SAME codes provide a reliable way to receive alerts for a designated area, like a county. However, they cannot deliver alerts specific only to at-risk zones such as those for flash floods, severe thunderstorms, or tornado warnings.

Now imagine this difference for alerts issued for severe thunderstorms and tornadoes, based on a county-based area versus the specific, observed path of the storm system, as illustrated in the first radar-alert image at the top of this article.

Adiona Alert enables our users to receive highly accurate, location-based alerts directly on the Garmin inReach, ZOLEO or Bivy Stick satellite communicators they already carry. We provide improved alerts without the need for a separate weather radio – one less device to carry, charge, and maintain, all with the simplicity and dependability of our service.

Satellite Delivery to the Device You Already Carry

Of course, the ability to receive our alerts anywhere — well beyond the reach of cellular service or other traditional connectivity — is another key benefit.

Adiona Alert accompanies you wherever your adventures take you and delivers these alerts based on your specific location. When we send an alert to your device, you can clearly see that you are in the at-risk area, without changing the location you’re monitoring or trying to figure out if your campsite is on the affected section of the river listed in the alert.

Simplicity, reliability, and peace of mind!