Wall cloud and funnel cloud
Wall clouds are large, dense clouds that sit low and spread up to 5 miles long. They’re formed when the warm moist air rapidly rises and displaces the cooler wet air above, making the pressure drop. If the cloud starts rotating, it can create a tornado. Similarly, cone-shaped funnel clouds can cause a tornado as well if their cone touches the ground.
What to do: You probably don’t want to get snatched into the Land of Oz like Dorothy was, so lock yourself safe in the basement. Avoid windows. We all know that tornadoes can be a prologue to adventure, but usually, they’re just bad news.
Sauce: https://www.iflscience.com/environment/what-could-have-caused-polands-crooked-fo
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#11 and #12 This is not how a sun flare looks like.
#2 What to do? Rush outside and stand where the lightning is most concentrated, preferably holding something metal above your head.
#3 What to do? Run into the water and dive down as far as possible to warn the fish of the dangerous currents.
#4 What to do? If wild animals are acting strangely indoors, let them outside before they poop.
#5 What to do? Stop what you're doing and immediately take a selfie.
#6 What to do? Run directly at the funnel, waving your arms to dissipate the cloud.
#7 What to do? Immediately tell your neighbors the moon told you it's going to rain in 2 days.
#8 What to do? Stand your ground and push the waves back with your hands.
#9 What to do? Run directly into the wall of flames so you can come out on the other side all the quicker.
#10 What to do? Take a really big breath and blow the snow back as hard as you can, creating a break in the avalanche and making it flow around you.
#11 # 12 What to do? Something is wrong with the sun. An expanding wave of cosmic nuclear fire will soon obliterate the solar system. UV blocker 50 should handle it.
In other words, avoid dangerous things as quickly as possible! DUUUUUHHHH!!!