This past week Oklahoma experienced a couple of days with landspout tornadoes. These are a lot like the waterspouts you see off a tropical shoreline.

They do not form like traditional tornadoes with a mesocyclone. These can form with just pockets of vorticity along boundaries which are stretched, tilted upward and then ingested into mini updraft regions of showers or storms. In our case below we had a stalled cold front where the rain developed and produced the circulations.

Paprazzi

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Most landspouts are short-lived and typically weak, about EF-0 in strength or less. Although there have been a couple documented as being stronger. They are mostly undetectable by radar unless they are very close to a high resolution radar system <25 nm. As a result, there won’t be many warnings issued for these but they sure do look ominous!

What is a landspout tornado?

What is a landspout tornado?

Greg Hall Agency

Landspouts near Minco, OK.

Landspouts near Minco, OK.

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Greg Hall Agency

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