Verb conjugation of "archive" in English

Today we have what we call 'hair dryer wind' (south wind from over the Alps), and it is around 30 degrees in Aarau. In some places even 31. Many people have headaches because of the weather.
You have to be careful when you go on summer vacation. There are many dangers but the most dangerous one is the sun itself, because if you're not careful it may harm you. People underestimate the rays.
These may be linguistic and cultural differences. There are indeed various regions throughout Spain and the word choice is not always the same. It is sometimes hard to understand people from other cities.