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Intelligent Weather Engine and
Real-Time Weather Synchronization

Integrated within Sky Force 3D is a powerful and robust weather engine that takes full advantage of all the new features to give the best experience of our new weather system. The IWX (Intelligent Weather) Engine focuses on two simple, but powerful things: Accurate Data and Accurate Experience, which sets the bar when it comes to data and experience in ONE integrated system.


Synchronization takes place within the simulator to match current meteorological conditions at your location, seamlessly and dynamically.


Simplicity... But Don't Let That Fool You.

Simplicity to the end-user was key to developing the REX Sky Force Weather Engine. Utilizing the powerful weather engine is as simple as opening REX Sky Force and the simulator. That's it, everything is done automatically without the fuss! 


In-Sim Real-Time Weather Synchronization.

REX Sky Force 3D Automatically syncs the 3D cloud model structures in real-time. This synchronization process takes place dynamically within the simulator to match current meteorological conditions at your location. Cloud structures automatically update without user interaction, making the flying experience more realistic and enjoyable. During flight you will now able to experience light or heavy precipitation super cells depending on the real-time metar. These include the complete structure of the super cell, wall, funnel, shelf, rain shaft and tornado.

Server Based Synced Experience.

Instead of just downloading a bunch of data from various sources, we utilize the power of our REX EDGE servers to build and accurate weather profile ON our servers.

By offsetting the work of assimilating the weather data to our servers allows us to reduce the amount of performance hit to your machine of compiling this data into a usable form.

Having data on our servers permits the system to look at forthcoming weather conditions while in-flight. Our platform intelligently adapts the weather models for a more accurate experience.

All 3D cloud structure types are automatically selected, injected and swapped out into the simulator in real-time during your flight.

From fair weather to extreme meteorological conditions, this process is seamlessly and dynamically achieved according to current metar. Our new advanced weather engine reads and interprets live model data to sample the atmosphere and therefore will sync the appropriate clouds structures to give the most accurate real-time experience in flight.

4 Levels of Meteorology Built Into One Engine.

In the past, we were only able to provide the user approximately 4400+ weather records to cover the world. These left significant gaps in the weather across the flight experience. At REX we have expanded to 70,000 points of weather that cover the whole globe.

  • We do not just pull data and then send it to your simulator. We intelligently use this data to capture an accurate 3D view of the atmosphere. With our cloud models and our IWX Engine, we can provide you with the most accurate experience in flight.
  • Gone are the days of oceans of sparse weather, now full synoptic weather systems are experienced while traversing across oceans or continents.
  • Because we capture more than just wind and temperature data, we are able interpret the energy of the atmosphere by using key model components to determine its volatility down to a single latitude and longitude. For the first time, we can create weather from the mesoscale level down to the micro level of weather.

Various Levels of Simulated Weather.

  • Meso-Alpha Weather: This is a little smaller than synoptic systems, but because of our data points, you can now experience an exact squall line or complex of storms known as an MCS (Mesoscale Convective System).
  • Meso-Beta Weather: Because of the extent of our data points, slightly smaller weather events such as sea-breezes and small snow squalls can be experienced.
  • Meso-Gamma: Just above the microscale level you can now experience isolated storms in the form of a super cell thunderstorm with tops near 70,000ft.
  • Microscale (Stormscale): We now can interpret directional and speed shear of the winds in the atmosphere, CAPE (convective available potential energy), helicity, storm relative velocity and other parameters. In combination with our unique 3D cloud models, we can provide virtual flyers with rain-shafts, roll clouds, shelf clouds, wall clouds, true scud, and even tornadoes.

Real World 3D Cloud Models.

Just providing textures is merely eye candy. We at REX realized we need to take our IWX Engine to a new level. To do this, we had to gut the current weather and cloud model system within the flight simulator. One of these core elements was to develop new cloud model system built around the exact world cloud classification system.


Revamping the cloud model system to a real-life experience allows us to reach 4 levels of meteorological weather instead of just 1 or 2. As we sample nearly 70,000 points of weather across the world, we can provide full systems down to local weather events such as rain-shafts to tornadoes. Also, as we sample the single air parcel, we can use this data to determine what type of weather conditions should be experienced in real life. Thus, instead of just placing stratus with light rain or snow, we can look at the potential energy of the vertical atmosphere to model if the clouds should be nimbostratus, cumulus mediocris, or cumulus congestus.

In the case of thunderstorms, we can look at the vertical and horizontal atmosphere to determine its instability. Using real-life mesoscale weather data, we provide storms at varying intensity and size. YES, SIZE DOES MATTER! Our storms can range from low-top high sheared storms to the menacing supercells that parade the plains during the early spring months.

Our IWX Engine Has its Own AI built-in!

The weather engine doesn’t just load weather but looks ahead of the flyer to determine what weather is coming. During your flight, it dynamically synchronizes accurate cloud models based on the upcoming weather conditions. You always fly into a “fresh” atmosphere instead of stale and static.


For example, if you are flying along in stormy weather and our IWE Engine receives data that a funnel cloud is reported, the “AI” feature of the engine syncs one of several tornado/funnel cloud models. It just doesn’t randomly pick a model – it intelligently looks at the type of atmospheric conditions and selects the best match for the parameters of that day. Based on weather conditions, you could see a rope funnel or a full wedge tornado scrapping along the ground.


Looking for Trouble?

Many virtual pilots like to fly in challenging weather. The Sky Force Weather Center provides a compelling search feature to provide you what you need to find the danger, or to avoid it.

Search by ICAO code, range near to an ICAO code, or by crucial several weather elements. Some of these weather elements include the type of weather, weather intensity, visibility, cloud base, and wind speed.

With the click of a button, you can search to retrieve all the weather stations or airports experiencing the weather you searched for in a matter of seconds.

Never Without a Clue.

We supply the virtual pilot access to real-time weather while in-sim. Using the built-in menu system within the flight simulator, you can view the closest surface and upper-level weather data.

If you have submitted a flight plan into the Sky Force Flight Center, then you can access the latest departure and arrival weather data while in-sim.

If you do not have to time to look at the data, you can simply select the audible weather briefing option which provides a detailed overview of the closest, or at your departure and arrival airports.

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