pc-based software finally allowed firefighters to predict fire spread in two dimensions on a map. that software, created by a forest service scientist named mark finney, was severely limited by a lack of mapping and fire-fuel data. it didn’t do much good, in other words, if you couldn’...
Wave lift is similar to ridge lift in that it is created when wind meets a mountain. Wave lift, however, is created on the leeward side of the peak by winds passing over the mountain instead of up one side. Wave lift can be identified by the unique cloud formations produced. Wave lift...
such flood estimates are typically based on outdated data that do not reflect current rainfall or rising temperatures, among other factors. After adjusting the data to reflect a hotter, more
While balloons could travel to high elevations, they could not travel on their own propulsion and were at the mercy of the prevailing winds. The shape of the balloon was determined by the pressure of the air or gas (such as hydrogen or helium). In 1852, Henri Giffard built the first ...
“When I get into an airplane now, I have ForeFlight connected to my headset and my ADS-B transponder. It’s a 3-dimensional volume of continuously updated, live information: weather, traffic, TFRs, runway closures, winds aloft, even fuel prices. It’s like having a co-pil...
(to the south). Because the behaviour of air currents is determined by the interaction of the Coriolis effect and the pressure-gradient, the Right Entrance and Left Exit regions of jetstreaks are areas where winds aloft diverge, allowing air below to rise. This in turn further encourages ...
“I dread every flight I ever have to take and regret having boarded the plane every single time I do it. During the flight, I’m tense and anxious, even getting to the point of tears when we encounter turbulent weather, which I find absolutely terrifying. I can’t read, certainly ...
– this is double the minimum speed required to generate enough power. Achieving this speed will be rare, because it needs calm seas and strong winds from the right direction. Nevertheless, in good wind conditions, the ship easily sails fast enough to produce all electricity for use on board...
Read More Portable Weather Station The TIV, after the addition of the IMAX camera turret, parked beside two Doppler on Wheels units. Photo courtesy George Kourounis Since it can survive very high winds and hail, the TIV provides a good opportunity to collect tornado data. Inside the TIV ...
And while you need a nice wind current to have a good flight, very strong winds could easily wreck the balloon. Pilots also call the weather service to get a rough idea of which way the balloon will travel, and how they should maneuver once they're in the air. Additionally, a pilot ...