After the day of Tuesday 19, characterized by the presence of several types of persistent contrails (described in the day previous post), even the sky yesterday in Milan has been affected by the presence of contrails of aircraft, this time less frequent and non-persistent.
then appears interesting to compare the atmospheric data of the two days to see what was the cause of such a clear difference between the type and number of contrails observed on Tuesday and Wednesday (on the assumption that air traffic was of equal magnitude in the two days). Was it the humidity or temperature? Or both?
then appears interesting to compare the atmospheric data of the two days to see what was the cause of such a clear difference between the type and number of contrails observed on Tuesday and Wednesday (on the assumption that air traffic was of equal magnitude in the two days). Was it the humidity or temperature? Or both?
Comparing the diagrams Appleman of the two days we see that the answer is both. Temperatures of 20 October were higher than those of 19 (contrails could be formed unless flight altitudes: less trails), while the relative humidity values \u200b\u200brecorded on October 20 were lower than those of 19 (moisture lower relative: no persistence ).
Even yesterday afternoon I took some pictures to aircraft wake in flight at high altitude. Noteworthy an Airbus A330-300 airberlin flight at an altitude of almost 12,000 m of which carry over, to end this short post, a sequence of shots off the telescope and the track ADS-B (courtesy of Flightradar24.com ).
Airberlin Airbus A330-300 D- AERK
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