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Severe Weather Threat 4/25-4/26, 2024 - (Thursday, Friday)

  • Thread starter Thread starter Former Member 1430
  • Start date Start date
Fred Gossage said:
Instability is not just about what is at the surface. It's 100% about the vertical distribution of those factors with height through the column of the troposphere. 500mb temperatures are -15C and colder in the supercell outbreak area up there. There have been instances in Iowa specifically with F3-F4 long-track tornadoes with surface temperatures in the upper 50s. Despite the surface observations as they are, mesoanalysis still shows 1500-2500 j/kg of SBCAPE nosing up into a good bit of southwestern Iowa and southeastern Nebraska.
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I know there have been cooler temperatures for violent tornadoes but that usually happens in the early season. Though it does happen later in the tornado season it just seems more rarer.
 
Stream isn't great for seeing it currently but the tornado is rain-wrapped. Still very much on the ground.
 
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