Even wat knip en plakwerk:
http://www.newton.dep.anl.gov/askasci/wea00/wea00121.htm
David,
The heavier rain after or just about the time
of more frequent lightning is probably not a
coincidence. Research on lightning
frequency and rainfall suggests that the action
of hydrometeors (rain and hail) being carried
around in the thunderstorm (in updrafts as well as
downdrafts) creates electrical charge buildup in
the clouds. The more active the storm and the
more hydrometeors there are, the more electric
charge is built up and the more frequent the
lightning is. The more hydrometeors there are,
the greater the likelihood of heavy precipitation,
although it may occur after most of the lightning,
as a downdraft has to set up or the updrafts decline
to allow the hydrometeors to fall towards the ground.
David R. Cook
Atmospheric Research Section
Environmental Research Division
Argonne National Laboratory
Toch niet zomaar iemand die dat beweert.
http://www.springerlink.com/content/2443p3387513r4wr/
In view of the above results, it is suggested that levitation of the particles in regions of intense electrification may cause or contribute to the rain gush phenomenon in thunderclouds.
http://adsabs.harvard.edu/abs/1984JGR....8911816J
The formation of the lower positive charge center in thunderstorms and the initiation of a lightning flash which precedes the commonly observed gush of rain on the ground may be explained in terms of this charging process.
En dan der hammer... Duidelijk concluderend dat de intensiteitsverandering met het bliksemproces heeft te maken!
http://books.google.nl/books?id=_NbHNj7KJecC&pg=PA356&lpg=PA356&dq=rain+gush&source=bl&ots=YJCGGYdzC0&sig=wqNMg35A2P37pCIKrPqAXOzputc&hl=nl&ei=T5s6SuCNDoz4-Aa8gqTMAw&sa=X&oi=book_result&ct=result&resnum=8
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