It is hard to predict natural disasters today because the extreme weather repeatedly marks a new record which leaves fewer data to base on for the next prediction.
こんにちは！
ご質問ありがとうございます。
ご質問について、いくつか言い方が考えられますが、例えば、
It is hard to predict natural disasters today because the extreme weather repeatedly marks a new record which leaves fewer data to base on for the next prediction.
とすると、『異常気象が度々記録を更新し、次の災害予測の根拠とするデータが少なくなるので、昨今では災害を予測するのは難しいです。』と言えます。
役に立ちそうな単語とフレーズ
extreme weather 異常気象
参考になれば幸いです。
Frequent record highs in recorded history make it difficult to predict disasters.
"観測史上最高記録の頻繁な更新が被害の予測を難しくする"
- Frequent record highs in recorded history make it difficult to predict damage.
- Having new record highs so frequently makes it difficult to predict future disasters.
異常気象です。
- This is abnormal weather.
災害の予測は、通常過去のデータに基づいて立てられますが、これほど頻繁に観測史上最高記録が更新される昨今では、過去最高記録を簡単に上回ってくるので予測が難しい。
- Disasters are usually predicted based on historical data, but I would like to say that with records frequently being broken, it is difficult to forecast future disasters because the record highs are easily surpassed.
日本 
アメリカ合衆国 
