Video from the incident on Aug. 19 shows crews holding onto the hose at one point before the fiery twister snatched it.
The firenado formed during the Chutanli wildfire and threw burning logs across the fire control line for 45 minutes.
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Firefighters say that's when it pulled their hose over 100 feet in the air.
They eventually got their hose, but it was melted. One firefighter was so frustrated during the ordeal, he threw a rock at the twister.
Firefighter MC Schidlowsky, who shared the video on Instagram a couple days ago, said the firenado was more than 200 feet high.
British Columbia is experiencing one of the worst fire seasons on record.