Nadine Jansen And Milena Velba Movies

Contrail Spotting - April 21, 2010

Day of persistent contrails in Milan yesterday. We see in this post some pictures of contrails and aircraft passed over Milan in the late afternoon and the usual analysis of weather data of 12Z.

Scie persistent on Milan







aircraft wake photographed with a telescope.

AirFance Airbus A318 F-GUGD. Flight AF2129 from Bologna (BLO) in Paris (GDG)


Swiss Airbus A320 HB-IJH (flight LX173M)


Steps at low altitude.

Cathay Pacific 777-300ER B-KPD (direction Malpensa)


Cargoitalia McDonnell Douglas MD-11 EI-UPI


Analysis of atmospheric data

12Z April 21, 2010
conditions for training: Yes (link to diagram Appleman ) (from 9649 m).
conditions for persistence: no ( chart RELH / T ).
conditions to persist after correction Milosehvich *: Yes (graphic RELH / T ) (conditions net at 9649 m).


* Note for a full explanation of the topic, see a previous post (link ).

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