SIGMET warnings are issued for... specific routings. airports. FIRs / UIRs. countries.
An inversion is a layer ... with increasing pressure with increasing height. with decreasing temperature with increasing height. with constant temperature with increasing height. with increasing temperature with increasing height.
What can be expected for the prevailling wind with isobars on a surface weather chart showing large distances? Strong pressure gradients resulting in strong prevailling wind Strong pressure gradients resulting in low prevailling wind Low pressure gradients resulting in strong prevailling wind Low pressure gradients resulting in low prevailling wind.
What is referred to as mountain wind? Wind blowing uphill from the valley during daytime. Wind blowing uphill from the valley during the night. Wind blowing down the mountain side during the night. Wind blowing down the mountain side during daytime.
Under which conditions "back side weather" ("Rückseitenwetter") can be expected? Before passing of an occlusion During Foehn at the lee side After passing of a warm front After passing of a cold front.
What wind is reportet as 225/15 ? north-east wind with 15 kt south-west wind with 15 km/h north-east wind with 15 km/h south-west wind with 15 kt.
How does air temperatur change in ISA from MSL to approx. 10.000 m height? from +20° to -40°C from +30° to -40°C from -15° to 50°C from +15° to -50°C.
What weather is likely to be experienced during "Foehn" in the Bavarian area close to the alps? High pressure area overhead Biskaya and low pressure area in Eastern Europe Cold, humid downhill wind on the lee side of the alps, flat pressure pattern Nimbostratus cloud in the northern alps, rotor clouds at the windward side, warm and dry wind Nimbostratus cloud in the southern alps, rotor clouds at the lee side, warm and dry wind.
Mountain side updrafts can be intensified by ... Solar irradiation on the windward side Solar irradiation on the lee side By warming of upper atmospheric layers thermal radiation of the windward side during the night.
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