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Grobnik

22🟡 Marginal

Croatia · Takeoff 818 m

Forecast next days

2026-06-1250

Condiciones marginales, base de cúmulos ~1667 m, viento 13 km/h.

Wind max: 13 km/h
Base: 1667 m
CAPE: 20
LI: 4.4
2026-06-1370

Día volable, condiciones decentes, base de cúmulos ~1093 m, viento 12 km/h.

Wind max: 12 km/h
Base: 1093 m
CAPE: 70
LI: 1.4
2026-06-1485

Día muy favorable para XC, base de cúmulos ~1100 m, viento 18 km/h.

Wind max: 18 km/h
Base: 1100 m
CAPE: 480
LI: -0.9
2026-06-1570

Día volable, condiciones decentes, base de cúmulos ~511 m, viento 19 km/h, con precipitación 2.5 mm.

Wind max: 19 km/h
Base: 511 m
CAPE: 10
LI: -2.3

Map and thermal hotspots

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Takeoff description

Grobnicko polje has threee take offs: Zbelac, Mrtvak i Hahlic. �belac & Jazvina are situated NE from sport airfield and are offten used. Coming to take off is by road to sky resort Platak. On one curve is cross road and there you leave your car on macadam road. Macadam road on the left goes to Jazvina and right one for Mrtvak. Mrtvak is higher take off 908m ASL. Take off is long enough and oriented from SE to SW. At good day you can climb instantly but the main thermal activity is in forn lower take off. For westerly winds it is best to use lower take of and for more south wind, higher takeoff. Zbelac has altitude 845m ASL. Start is short with few obsticles, take off not for begginers. Best is to wait thermal and then you are up in one second. Take off is big enough for parallee take off of four gliders. From main road it is 10 minutes on foot.