The low-pressure trough to the west is developing as expected, splitting off and moving South to the Mediterranean. This will turn the pressure situation across the Alps around Wednesday night. For tomorrow, we can expect the same pattern as the last few days, with a few improvements: - SW winds up high, around 15-25 km/h - South wind entering the Rhine valley from the southern passes, starting with Lukmanier (the one to the south of Disentis), then successively further east. This will neutralize the valley breeze probably all the way down to Ilanz. The effect should be less than the last two days, though. - Thermals starting around 10:00, improving steadily, up to 3300-3500 m, blue at first and only a few CU in the afternoon. - Thunderstorms are expected to happen mainly in western Switzerland, our area should stay dry and unaffected by Cb. With these conditions, we should be able to fly at least to Flims. Preliminary plan: 9:00 Cable car for the task committee 9:30/10:00 Cable car for the others From 9:15: Coffee, croissants and tracker at the middle station 10:15: Task briefing Next update tomorrow at 8:00

Today The forecast today predicted a day very similar to yesterday: Southern over-pressure + strong heating of the Rhine valley, leading to air coming over the Lukmanier pass to Disentis, and later also flow out of the southern valleys further to the East. Plus a high chance for thunderstorms from around noon, in general everything a little faster than yesterday. To compensate that, we cut the planned task in half, only to Brigels instead of Flims. But before we even held the 10:00 task briefing, the wind in the Disentis landing hat already switched to South - 2.5 hours earlier than yesterday. This was most likely caused by the rain cell to the South that had started dropping its load a little before - also much earlier than predicted. So we had (light) Föhn, and the major risk factors (wind out of the Southern valleys, thunder storms) much earlier than expected - and therefore cancelled the task. About half the field went up for a flight. Launch was demanding, with switching wind direction and gusts - we think it would not have been possible to get the whole field in the air in time for a fair race. Several pilots opted to take the chairlift back down. Those who did fly found good lift, for some up to 3000 m, and the run to Trun (safety landing) or even Brigels for those who dared flying the task was quite quick. Landing in those places was gusty, but OK. Those few who pushed on to Ilanz had to work a bit to get down in bumpy and windy conditions. Since then conditions have calmed down in the sky - no more rain cells building up. The South wind is still quite strong here in Disentis and further down the valley. I think cancelling the task was the right call today, to leave enough safety margin for pilots who have less experience with flying in this area and in these kinds of conditions. I'd be interested in hearing what you, the pilots, think about that. Outlook As mentioned yesterday, conditions are quite volatile and difficult to predict. Every model has a different view on the upcoming days, and that view also changes from run to run. My impression for the rest of the week: Tuesday: Latest forecasts now see the Southern over-pressure diminish tomorrow, and the air is drying out, which means mainly blue thermals, but also no more risk of thunderstorms. I think we will be able to fly a one-way task towards the East tomorrow. Wednesday: Higher pressure to the North, at least at ground level. At altitude, the SW winds will stay with us a little while longer. Thunderstorms may develop in the second half of the day, but an early task towards the East should be possible. Thursday: NW winds at altitude, normal valley breeze, risk of thunderstorms in the early afternoon. If those get delayed a little bit, we will have a great flying day. Friday: NW winds at altitude, more clouds, weaker thermals, risk of thunderstorms in the late afternoon. Could still be a (slower) task day. Saturday: SW winds at altitude, sunny, with cumulus clouds, could be another good day. Next update tonight around 20:00

Task 7, der letzte Lauf des Weltcups, begann unter unsicheren Vorzeichen: Gewitter waren für den Nachmittag angesagt, und die Organisation reagierte sehr abgeklärt und richtig. Gesetzt wurde ein 70-km-Task mit einem Gegenwind-Schenkel, gefolgt von einer zickzackförmigen Wendepunktfolge zurück über die Berge. Die Bedingungen waren extrem stark, der Tag entwickelte sich zu einem der schnellsten Läufe der ganzen Woche: Starke Bärte bis 6 m/s integriert und effiziente Ridge-Linien erlaubten dem Spitzenfeld ein beeindruckendes Tempo. Ferdinand Vogel ist zusammen mit Michael Gierlach ausgebrochen, die beiden erwischten die Thermik des Tages und sicherten sich den Tagessieg! – Sie legten die 70 km in nur 1:30 Stunden zurück, im Schnitt fast 47 km/h, und haben dem grossen Verfolgerpulk ganze 7 Min. abgenommen, was uns allen einen Streicher verpasste. Glück für mich, denn ich konnte ein gutes Resultat hervorziehen und rutschte dadurch auf den dritten Platz! Für mich war dieser letzte Tag der Höhepunkt eines konstant starken Weltcups. Bereits am Vortag gelang mir im entscheidenden Moment ein Laufsieg, der mich gleichzeitig für den Superfinal nächstes Jahr in der Schweiz qualifizierte. Mit dem Ergebnis von Task 7 stand am Ende fest: Platz 3 im Overall – hinter Baptiste Lambert und Martin Jovanovski. Bei einem Teilnehmerfeld mit rund 120 der weltbesten Piloten ist das mein persönlich bestes Resultat der Karriere. Auch für Andy Aebi war es ein besonderer Weltcup: Nach 18 Jahren Wettkampfpause gab er sein Comeback und beendete Gemona auf Rang 12 – eine sehr starke Leistung, Hut ab. Andy hat ein super Mindset und ist ein sehr angenehmer Teampilot, der mich die ganze Woche motiviert hat, gross zu denken. Das hat sicherlich auch einen Einfluss auf mein Top-Resultat. – Danke Andy! Nun blickt das Schweizer Team nach vorne: Als Nächstes steht die Europameisterschaft in Nordmazedonien an, und wir reisen mit einem starken Team und grossen Ambitionen an. Am Sonntag, 09.08.26, geht es los – drückt uns die Daumen :)

Those of us who flew today experienced good thermals early on, with some bumpyness whenever we crossed an inflow on the opposite side of the Rhine valley. The wind turned and became turbulent in Disentis shortly after noon. Landing in Trun was a good option, Ilanz would have worked until after 14:00. Forecast for Monday, August 3rd Very similar to today: Slight south over-pressure of 2.5-3 hPa around noon, leading to the "reverse valley breeze" pattern we saw today. The weather will be better to the south, so it should be a little less pronounced. Winds at altitude from W to SW, at 15-20 km/h. Moderate thermals from early on, assisted by the unstable air coming in. Blue until noon, then Cu at 3000-3200 m, moving up with increasing thermal strength to 3400-3500 m. A moist layer at 3400 m will slow down convection at first, and delay Cb build-up. First towering Cu are expected around 14:00, with Cb and thunderstorms from 15-16:00 Overall a moderately good which we will do our best to take advantage of. We'll have to be early for that - details at the General Briefing. Outlook for the rest of the week Tuesday: An incoming trough increases the risk of thunderstorms, from around 15:00, so another early task could be possible. Strong thunderstorms in the night to Wednesday. Wednesday: The moisture from the previous night might lead to early over-development and another rained-out day. But with a trough, you never know... Thursday to Saturday: As the trough moves away, we should see drier days with longer flyable windows, the question is mainly by when this will happen. Next update: Monday, 08:00

Good morning! Yesterday's report has been confirmed. In addition, first thunderstorms in the Vals/Ilanz area are now expected as early as 13:00 (see the attached forecast)- their outflows could make landing in Ilanz challenging. A quick and early flight, landing in Trun (L02) by 13:00 looks like the best option under these circumstances. Choose wisely!

Hello and welcome to the first meteo update for the 2026 Disentis Open, in preparation for tomorrow's training day. Overall, after the passing of a weak cold front and an inflow of a little cooler air from the North today, the wind will turn back to South-West, bringing increasingly hot air to the Alps over the next few days. This air brings a lot of instability, which is great for thermals, but also great for thunderstorms, especially in the Alps. Tomorrow we expect a sunny and hot day in the Disentis area, with highs around 32°C. The wind will be mainly from the South-West, with 20-25 km/h at 3000 m and above at noon, dropping to 10-15 km/h in the afternoon. An inversion at around 2000 m should be heated through by noon, giving way to moderate thermals up to about 3000 m, which will increase both in strength and altitude in the afternoon, up to about 3500 m. The problem is the wind down low: While the South-North pressure gradient is a moderate 2-3 hPa, the strong thermals in our area combined with cloudy, rainy weather to the South of us leads to shallow overflow over the nearby passes. This will increase throughout the day, as thermals increase. Instead of the usual valley breeze, flowing East to West, we expect increasing winds from the southern valleys flowing down the main Rhine valley, West to East, with increasing turbulence, especially where those side valleys enter the main valley. There is also a chance for thunderstorms in the afternoon, as early as 13:00, mainly to the South and East of us. Recommendation for Sunday You fly at your own risk! If you feel that the conditions are OK for you, get your ticket at HQ early, at 9:00, take the 9:30 cable car and then chairlift to launch and take off as soon as possible. Consider landing in Trun (L02 - a short walk to the train station) or after 12:00 in Ilanz (L12 - a bit of a walk to the train station). Watch out for over-development and expect the wind to go in the "wrong" direction at the valley floor. Be on the ground again by 14:00 at the very latest. Given the conditions, we will not set a training task. If you feel up for it, check out the wildlife protection zone X05, next to waypoint B09. I personally would not recommend crossing the main valley towards the South. I will give another update tomorrow at 8:30.