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Severe storm over Hungary 20 May 2008 Importance of Met-8 HRV rapid scanning images

Witness the rapid development of severe storms over Hungary through Met-8 HRV rapid scanning images. Track the initiation and growth of multiple cells, including potential overshooting tops, within a 15-minute timeframe.

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Severe storm over Hungary 20 May 2008 Importance of Met-8 HRV rapid scanning images

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  1. Severe storm over Hungary 20 May 2008 Importance of Met-8 HRV rapid scanning images

  2. A tiny cell could be presumed near to the big cell. The first tiny cell increased. Another is initiating. Both cells increased, a third one is presumed. One can see three cells. On the 5-minute images one can better follow the the initiation and growing of the individual cells. All three cells are increasing.

  3. Overshooting tops as seen on 5- minute HRV data In case of 15-minute data we would have only the first and the last image, but not the two images in between. Note: the typical life-time of overshooting tops are less than 15 minutes, about 5-10 minutes.With 15-minute imagery it is quite random whether we see the overshooting top at all or not and if yes in which developing phase do we see it.

  4. Notes: It is not always easy to see, whether the spot I am looking at is an overshooting top, or not. It is not always easy to decide whether the spot is the same overshooting top as I see on the previous image, or not. It seems sometimes difficult to detect and even more difficult to track the individual overshooting tops on subsequent images. (even by eye)

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