Matti Leskinen 2012-01-30

Thunderstorms at Helsinki and insects

Maximum of insect ahead of the thunderstorm cells.
Unfolding of the radial velocity is needed in many images.

Insects in the evening before rain

Insects over the sea in front of the precipitation

Thunderstorm approaching from the sea

Insect cloud in front of the precipitation

Insect cloud in NNW and WSW

Details of the insect cloud

Vertical cross-sections NNW and SSE

More information: Matti.Leskinen@helsinki.fi