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Originally posted by SecretNebraska
All my life living in Nebraska tornadoes only really popped up when the temps got in the 90s, maybe 87 - 88 degrees at the lowest.
Originally posted by Uncinus
The area where tornadoes were predicted is very large. It's easy enough to roughly forecast the weather a day or two in advance, and say the condition will be right somewhere over a large area (a tornado watch). It's much harder to forecast exactly where the tornadoes will be until just before they arrive (a tornado warning).
Tornadoes are NOT forecastable within a few days, PERIOD. We get plenty of them in the mid west and trust me, they come out of nowhere.
Since most tornadoes are formed in conjunction with severe thunderstorms, forecasters first must determine where thunderstorms are likely to form and reach the severity necessary for tornado formation.