וְנָֽתַתִּי֙ מֽוֹפְתִ֔ים בַּשָּׁמַ֖יִם וּבָאָ֑רֶץ דָּ֣ם וָאֵ֔שׁ וְתִֽימֲר֖וֹת עָשָֽׁן׃
And I will shew wonders in the heavens and in the earth, Blood, and fire, and pillars of smoke.
Rashi on Joel
and pillars of smoke Heb. וְתִימְרוֹת. Perpendicular pillars of smoke, as tall as a palm tree.