tempestatem
tempestatem is a Latin form of tempestas, meaning “weather; storm, tempest; time, season”. It is the accusative singular feminine noun.
Found 50 times in the Latin texts on Socratos.
Where it is used
Caesar, De Bello Gallico 3.13.9: Accedebat ut, cum [saevire ventus coepisset et] se vento dedissent, et tempestatem ferrent facilius et in vadis consisterent tutius et ab aestu relictae nihil saxa et cotes timerent; quarum rerum omnium nostris navibus casus erat extimescendus.
All forms of tempestas (declension table)
Source: Socratos (socratos.org), a free reader for Ancient Greek and Latin. Grammar from the Perseus Treebank and Morpheus; dictionary entries from Lewis & Short, A Latin Dictionary (Perseus Digital Library, CC BY-SA). Counts are from the texts on Socratos.