Honza Rejmanek

sailplane cockpit view

Flying 3,000km in wave at night

They connected with wave after climbing just 1,100m – then started flying laps up and down the Sierra Nevada
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Upper winds opposite the lower valley winds

Opposing winds at different levels

There are various scenarios where we can encounter significantly strong wind from opposing directions just by changing altitude
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A haboob – a dust-laden gust front – in Tucson, Arizona Photo: Christopher Harris

Gust fronts from afar

One of the dangers from thunderstorms are the extreme downdraughts that spill outward as a gust front. How do we predict them before they hit?
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Understanding Heat Lows

Meteorology: Understanding Heat Lows

Meteorologist Honza Rejmanek explains the phenomenon of Heat Lows, which can cause the wind to unexpectedly increase on hot summer afternoons
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Spring paragliding in mountains

Spring thermals: Understanding the bounce

The Spring Bounce is a real thing – Cross Country's resident meteorologist Honza Rejmanek explains what you need to know
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Illustration of katabatibc flow in mountains

Understanding katabatic flow

Cross Country’s meteorologist Honza Rejmanek tells us how to read downslope winds – and whether it’s safe to make those end of the day sled rides
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Chrigel Maurer performs during the Red Bull X-Alps 2021 at Mont Blanc, France on June 26, 2021

Meteorology: Understanding mountain gap winds

Every pilot knows about the Venturi. But do you know about "gap winds", where the same effect happens on a much larger scale? Here's a serious primer.
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Ozone McDaddy coastal soaring

Techniques: The art of coastal soaring

There’s more going on at the coast than you might think. Honza Rejmanek kites into the lift at his local cliff to explain
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Masterclass: Understanding flying weather with Honza Rejmanek

Join five-time Red Bull X-Alps pilot and weather guru Honza Rejmanek and his son Martin in a live pilot weather coaching session
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The windy website

Making the most of weather site Windy.com

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