Portal:Weather/On this day list/April 7
April 7
[edit]1922: The first mid-air collision of airliners in history occurred over Picardie, France, due to thick fog.
1999: Cyclone Gwenda reached peak intensity near Western Australia, with a central pressure of 900 millibars (26.58 inHg), making it tied for the strongest cyclone ever observed in that region.
2001: Cyclone Sose passed just west of Vanuatu, killing 9 people.
2012: An avalanche struck a military base near Siachen Glacier in northern Pakistan, killing 140 people.