Because of the example in the following verses of prophet Mosses peace be upon him, I take initiative to alleviate effects of natural disasters. However, I don’t intervene if I see that the same area is hit again to respect God’s decree and acknowledging that this is how God sends punishment or it’s a way to test the people.

7:134 Al-A'raaf

‎وَلَمَّا وَقَعَ عَلَيْهِمُ الرِّجْزُ قَالُوا يَا مُوسَى ادْعُ لَنَا رَبَّكَ بِمَا عَهِدَ عِنْدَكَ ۖ لَئِنْ كَشَفْتَ عَنَّا الرِّجْزَ لَنُؤْمِنَنَّ لَكَ وَلَنُرْسِلَنَّ مَعَكَ بَنِي إِسْرَائِيلَ

And when the punishment descended upon them, they said, "O Moses, invoke for us your Lord by what He has promised you. If you [can] remove the punishment from us, we will surely believe you, and we will send with you the Children of Israel."

7:135 Al-A'raaf

‎فَلَمَّا كَشَفْنَا عَنْهُمُ الرِّجْزَ إِلَىٰ أَجَلٍ هُمْ بَالِغُوهُ إِذَا هُمْ يَنْكُثُونَ

But when We removed the punishment from them until a term which they were to reach, then at once they broke their word.

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Regarding storms, I have requested to reverse them in the past so they disappear, I have noticed that some of moves to nearby countries though so I prefer not to intervene. 

However, on one occasion a storm stopped upon request, Dragon storm in Egypt 2020 (after making the request the death of a 30 years experienced director of public weather office was declared by cancer one day before the storm stopped. I believe that his death wasn’t caused by cancer, the date of death wasn’t exact either and happened after discovering the effects of my request witnessed and described by his expert eyes as impossible).