Weather Tools
Free online weather calculators, professional radar apps, and interactive data tools from the cyclonePORT team
Weather Tools vs. Weather Instruments: An Important Distinction
Weather tools are digital, interactive resources — apps, online calculators, and data platforms — that help users interpret, calculate, and act on weather data. They are distinct from weather instruments, which are the physical hardware sensors (anemometers, rain gauges, barometers, and so on) that collect atmospheric measurements in the field.
The distinction matters because the two categories serve different needs at different moments. A weather instrument measures what is happening at a location right now. A weather tool helps you understand what that measurement means — whether a wet bulb temperature of 82°F represents a heat risk for your athletes, whether tonight’s dew point means frost is possible, or whether the radar pattern on your phone screen indicates a storm will reach your site in 20 minutes.
| Category | Description |
| Weather Instruments | Physical hardware sensors: anemometer, rain gauge, hygrometer, barometer, lightning detector — mounted at a location to collect real-time measurements |
| Weather Tools | Digital software resources: apps, online calculators, interactive data platforms — used to interpret, calculate, and visualize weather data |
| Example: Instruments | A cyclonePORT weather station on a construction site measures wind speed continuously and logs every reading automatically |
| Example: Tools | A site superintendent uses the RadarOmega app to see whether a cell moving toward the site on NEXRAD radar will arrive before or after the concrete pour window |
| Relationship | Tools and instruments work together: on-site instrument data feeds into apps and calculators to produce actionable professional intelligence |
Why cyclonePORT Builds Both
cyclonePORT’s weather station hardware gives you the ground truth — the actual conditions at your site, logged to the second.
cyclonePORT’s weather tools — RadarOmega, the WBGT Calculator, the Snow Day Calculator, and the calculators in development — give you the analytical layer: the ability to interpret that data, plan around it, and make decisions faster.
Together, they represent a complete professional weather intelligence system: measure, interpret, act.
cyclonePORT Weather Tools — Complete Directory
| Tool | Description |
| RadarOmega — Weather Radar App | Professional NEXRAD Doppler radar + NWS alerts + live cyclonePORT station data. Available on iOS, Android, Windows, Mac, Linux. |
| WBGT Calculator | Free online Wet Bulb Globe Temperature calculator for heat stress assessment. Supports NATA, OSHA, NFHS, and military heat protocols. |
| Snow Day Calculator | Free probability tool for school cancellation likelihood based on forecast snowfall, temperature, and local conditions. |
| Heat Index Calculator | Coming soon — free online calculator for apparent temperature combining air temp and humidity. |
| Dew Point Calculator | Coming soon — free online calculator for dew point from temperature and relative humidity. |
| Wind Chill Calculator | Coming soon — free online calculator for apparent temperature in cold, windy conditions. |
| Rainfall Calculator | Coming soon — convert precipitation measurements, calculate runoff volumes, and estimate accumulation rates. |
Built for Severe Weather
Available cyclonePORT Weather Tools
[APP / PLATFORM] RadarOmega — Professional Weather Radar App — also: weather radar app, NEXRAD radar app, weather station app RadarOmega is a professional-grade weather radar application developed by SDS Weather — the same team that created cyclonePORT. It provides high-resolution NEXRAD Doppler radar with dual-polarization products, numerical weather models (HRRR, NAM, GFS, ECMWF), satellite imagery, SPC convective outlooks, NHC tropical products, MRMS precipitation analysis, NWS alerts, lightning detection data, and — uniquely — live sensor data and camera feeds from cyclonePORT ground-truth weather stations. RadarOmega is available on iOS, Android, Windows, Mac, and Linux. For cyclonePORT hardware owners, RadarOmega serves as the primary app interface for accessing real-time station data, configuring alerts, and integrating on-site measurements with professional radar context. With 261,000+ subscribers, RadarOmega is trusted by broadcast meteorologists, emergency managers, storm chasers, and professional users across the United States, Canada, Germany, Australia, and South Korea. Search data: weather radar app: 500 vol/mo, KD 76, $80 CPC, 2,900 traffic potential Primary users: Storm chasers, broadcast meteorologists, emergency managers, safety officers, EOC staff, fleet dispatchers, athletic directors, golf course operators, and all cyclonePORT hardware owners Access: cycloneport.com/radaromega-weather-radar-app-weather-station-app/ |
[LIVE TOOL] WBGT Calculator — Wet Bulb Globe Temperature Calculator — also: wet bulb globe temperature calculator, heat stress calculator, wet bulb calculator cyclonePORT’s free online WBGT Calculator computes Wet Bulb Globe Temperature — the most comprehensive and defensible single metric for heat stress risk assessment — from temperature and humidity inputs. WBGT incorporates evaporative cooling (humidity’s effect on the body), solar radiation load, and air movement into a single index that determines how effectively a person can dissipate body heat through sweating. This is the metric required by NATA heat acclimatization guidelines, NFHS athletic safety protocols, OSHA Heat Illness Prevention documentation, and Department of Defense training heat restrictions. The calculator provides both the WBGT value and the corresponding activity modification level under NATA’s five-category framework — giving athletic trainers, coaches, safety managers, and outdoor employers an immediately actionable output, not just a number. Search data: wet bulb calculator: 4,200 vol/mo, KD 2, 6,700 traffic potential | WBGT calculator: 500 vol/mo, KD 21, $70 CPC, 800 TP Primary users: Athletic trainers, coaches, school and university athletic directors, OSHA safety officers for outdoor industrial operations, military trainers, construction site safety managers, outdoor event staff Access: cycloneport.com/wbgt-calculator-wet-bulb-globe-temperature/ |
[LIVE TOOL] Snow Day Calculator — School Cancellation Probability Tool — also: snow day predictor, school closing calculator, snow day probability tool cyclonePORT’s Snow Day Calculator estimates the probability of a school cancellation based on forecast snowfall accumulation, overnight temperature, wind chill, precipitation type, and local district characteristics. It is designed for students, parents, teachers, and school administrators who want a data-driven probability estimate rather than a guess based on past experience. The tool incorporates NWS forecast data and local factors to produce a percentage likelihood of cancellation, with clear explanation of the inputs that most influenced the result. It is the most used of cyclonePORT’s free online tools by raw search volume. Search data: snow day calculator: 205,000 vol/mo — the highest-volume keyword in the cyclonePORT tool suite Primary users: Students, parents, teachers, and school administrators wanting a data-driven forecast for school cancellation likelihood during winter weather events Access: cycloneport.com/snow-day-probability-calculator/ |
Coming Soon: New cyclonePORT Weather Calculators
[COMING SOON] Heat Index Calculator — also: feels like calculator, apparent temperature calculator, humidity heat calculator The heat index (sometimes called ‘feels like’ temperature) combines ambient air temperature and relative humidity to determine how hot the air actually feels to the human body. High humidity impairs the body’s ability to cool itself through evaporative sweating, making conditions feel significantly hotter than the thermometer reads. The NWS heat index formula is the US standard for public heat advisories and is widely used for outdoor work safety decisions. cyclonePORT’s Heat Index Calculator will provide: heat index value from temperature and humidity inputs, NWS heat advisory category (Caution, Extreme Caution, Danger, Extreme Danger), practical guidance for outdoor activities at each level, and comparison with WBGT for users who need the more comprehensive heat stress index. Search data: heat index calculator: 8,500 vol/mo, KD 24, 10,000 traffic potential | NWS standard metric for public heat advisories Primary users: Coaches, athletic trainers, outdoor event managers, farm operators, construction safety officers, parks and recreation staff, and anyone making outdoor activity decisions during hot weather Status: In development — check back soon |
[COMING SOON] Dew Point Calculator — also: dew point from temperature and humidity, relative humidity to dew point The dew point is the temperature at which air becomes saturated and water vapor begins to condense — forming dew, fog, or frost. It is one of the most professionally useful atmospheric measurements: a dew point above 60°F indicates noticeable humidity; above 70°F, oppressive conditions; a dew point at or below the surface temperature overnight means frost is possible. cyclonePORT’s Dew Point Calculator will compute: dew point from temperature and relative humidity, frost risk assessment when overnight lows approach the dew point, and spread (the difference between temperature and dew point — a key aviation and fog formation indicator). For agricultural users, the dew point calculator will integrate with growing degree day concepts and disease pressure modeling. Search data: dew point calculator: 9,700 vol/mo, KD 20, $250 CPC, 13,000 traffic potential — the highest CPC calculator in the suite Primary users: Farmers and growers (frost protection planning, disease pressure), pilots and aviation professionals (fog and icing risk), meteorology students and enthusiasts, outdoor event planners, and anyone working near the dew point threshold overnight Status: In development — check back soon |
[COMING SOON] Wind Chill Calculator — also: feels like temperature cold, wind chill factor calculator, apparent temperature winter Wind chill quantifies how much colder air feels when wind is factored in. Moving air increases the rate at which the body loses heat, making cold conditions significantly more dangerous for exposed skin and outdoor workers. The NWS wind chill index — the current US standard — calculates the apparent temperature and associated frostbite risk time for exposed skin. cyclonePORT’s Wind Chill Calculator will provide: NWS wind chill from temperature and wind speed inputs, frostbite risk time estimate (30 minutes, 10 minutes, 5 minutes for exposed skin), work restriction guidance for outdoor industrial operations, and integration with cyclonePORT’s anemometer data for users with on-site wind speed readings. Search data: wind chill calculator: 4,700 vol/mo, KD 47, 7,500 traffic potential Primary users: Outdoor workers in construction, utilities, and agriculture during winter operations; athletic coaches and trainers during cold-weather practices; emergency managers during winter storm events; fleet safety managers making cold-weather dispatch decisions Status: In development — check back soon |
[COMING SOON] Rainfall Calculator — also: precipitation calculator, rain accumulation calculator, runoff calculator Rainfall calculations translate raw precipitation measurements into operationally useful values for different professional contexts. How many gallons per square foot of roof? How much runoff from a 10-acre field during a 2-inch storm event? Is the current hourly rate exceeding the drainage capacity of a construction site? cyclonePORT’s Rainfall Calculator will support multiple use cases: unit conversion (inches to mm, accumulation to volume over an area), runoff volume estimation for agriculture and stormwater management, drainage capacity comparison for construction site flood risk, and irrigation need calculation from evapotranspiration and recent rainfall. It will integrate naturally with cyclonePORT’s tipping-bucket rain gauge data, allowing hardware users to apply their station’s real measurements directly to planning calculations. Search data: rainfall calculator: 150 vol/mo, KD 17, 600 traffic potential | strong complementary tool for agricultural and construction ICP audiences Primary users: Farmers and irrigation managers, construction site stormwater management, golf course superintendents, municipal public works, emergency management agencies managing flood corridors Status: In development — check back soon |
Why cyclonePORT Builds Free Weather Tools
Every calculator and app cyclonePORT builds starts with the same observation: there is a calculation that professional users need to make frequently, and the existing options either lack professional context, don’t connect to on-site data, or bury the result in advertising without explaining what it means or what to do about it.
The WBGT Calculator exists because coaches and athletic trainers needed a tool that not only calculated WBGT from their inputs but told them which NATA activity modification level that value corresponds to — and therefore what they are required to do about it. The Snow Day Calculator exists because parents and teachers wanted a probability estimate, not a forecast they had to interpret. Every future calculator follows the same principle: give the number, explain what it means, and — where applicable — connect it to the on-site data that cyclonePORT’s hardware provides.
Tools + Hardware = Professional Weather Intelligence
cyclonePORT’s hardware gives you the measurements. cyclonePORT’s tools give you the meaning.
A cyclonePORT owner using the WBGT Calculator with their station’s live temperature and humidity readings gets a real-time WBGT value for their exact location — not an estimate based on regional forecast data.
Future calculator integrations will allow cyclonePORT hardware users to pass live sensor data directly into the calculator interface, producing results that reflect actual site conditions rather than forecast approximations.
Other Professional Weather Tools and Resources
Beyond cyclonePORT’s own tool library, the following external resources are widely used by the professionals in cyclonePORT’s customer base. We reference them here because professional weather decision-making benefits from multiple tools used in combination — and because our users deserve an honest guide to the full landscape, not just our own products.
| Resource | What It Provides |
| NWS Heat Safety Tools | weather.gov/safety/heat-tools — heat index chart, HeatRisk forecast, WBGT guidance from the National Weather Service |
| NOAA Weather Calculators | weather.gov — multiple local NWS offices maintain free weather calculators (wind chill, heat index, dew point, unit conversion) at weather.gov/[office]/calculator |
| SPC Convective Outlooks | spc.noaa.gov — Storm Prediction Center severe weather outlooks; integrated directly into RadarOmega |
| NHC Tropical Products | nhc.noaa.gov — National Hurricane Center track, wind, and surge data; integrated into RadarOmega |
| MRMS Precipitation Analysis | mrms.ncep.noaa.gov — Multi-Radar Multi-Sensor quantitative precipitation analysis; available in RadarOmega |
| CoCoRaHS Rain Gauge Network | cocorahs.org — Citizen-based precipitation observation network; useful reference for regional rainfall comparison |
| NATA Heat Acclimatization Guidelines | nata.org — The authoritative source for WBGT-based activity modification protocols in school and university athletics |
When Seconds Decide Outcomes
A county emergency management agency detected rotation
Emergency crews coordinated faster with shared data
Frequently Asked Questions
What is the difference between weather tools and weather instruments?
What weather tools does cyclonePORT offer?
What is the WBGT Calculator and who uses it?
How is the Snow Day Calculator different from a weather forecast?
What weather calculators are coming from cyclonePORT?
Is RadarOmega free?
Can I use cyclonePORT weather tools without a cyclonePORT weather station?
Explore the Full cyclonePORT Weather Intelligence Platform
Hardware that measures. Tools that interpret. Together: professional weather intelligence for every decision that matters.
cycloneport.com/contact | info@cycloneport.com | 844-737-9328