(12g) So hot and dry these summer months

After a cold spring with strong cold winds, we have now in Belgium and other parts of Europe a very hot and dry summer. On Friday, 26/07/2013 we had a record day for this year in Belgium with temperatures above 35°C and a very hot wind. It was fun being at work where there is air-conditioning (although further aiding climate change). At the end of the day, very heavy thunders and lightning were predicted. But it was a beautiful evening (although in the afternoon it seemed as if the weather was changing but the clouds disappeared again) while they came the day after although with not that much rain. Also today was quite a warm day and thunderstorms are predicted but although there were some clouds in the late afternoon, they again disappeared and at this moment there is quite some (cooler) wind but I can still see the stars, thus open air.
Dry lightning can cause fires when it touches the ground.

Therefore, is it possible that when it is too hot, possible rain evaporates even before it can reach the ground (climbing higher and higher until it comes down as big hail stones)? And the combination of hot weather and wind causes the ground to become very dry. So when there is some mild  rain, this water is taken up by the ground while plants and trees try to keep as much as possible for themselves without releasing it back into the atmosphere, resulting in less moisture and thus a dryer sky with less chance of rain.

While other moments it may indeed storm very heavily causing floods in certain areas in a short time after which the water flows away without much being taken up by the soil, even causing erosion and destroying crops. Thus, even this water will not necessarily humidify the ground much and nature may still ask for water.

In summary, is it possible that when it is too hot this can cause very dry weather with less rain than expected, even when it was predicted heavy thunderstorms may be possible? Or dry thunderstorms happen, whereby winds destroy crops but whereby there is no rain for plants, increasing the risk for fires? Or too heavy thunderstorms with too much rain in a too short time destroy crops? Of course, a hot summer doesn't necessarily mean the beginning of climate change, but I wonder whether the cold wind in spring (resulting in dry ground) followed with hot weather and hot dry winds can start a system behaving differently.

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