article_snippet: There were no reported weather issues during the Germanwings plane's flight, but that does not mean you can rule these out as a possible cause, pilot and CNN aviation analyst Les Abend said.
article_snippet: One thing CNN aviation analyst Les Abend was looking at was a cold front progressing in the area where the Germanwings plane was.
article_snippet: the Germanwings plane indicated some precipitation at lower altitudes.
article_snippet: So there may not have been bad weather at the cruising altitude, but "at lower altitudes, as they were beginning the descent, they visibility may have been obscured," Abend said.
article_snippet: Reduced visibility in and of itself is not a huge issue, but the weather may have deteriorated as the Germanwings plane descended and be a possible factor in the crash, " Abend said.