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I was watching some discussions that Greg Forbes was giving on TWC where he was talking about parts of certain states where tornado threat is highest. In Alabama and Georgia, it seems that there is an increased tornado threat upstate where elevation increases. For example, areas from Tuscaloosa to Huntsville, Alabama are particularly risky and in Georgia, areas north of Atlanta have heightened risk. Maybe this has to do with the interaction of Gulf air with the southern slopes of the Appalachians.
Also in Arkansas, it seems there is a higher tornado risk near the southern slopes of the mountain ranges.
Places like Alabama and Mississippi seem to often be in the bulls eye with tornadoes.
They are less covered than Oklahoma because most tornadoes come at night, are rain wrapped, and the forests of the areas (versus the wide open plains of Oklahoma) make it much more dangerous and harder to storm track.
In terms of strong tornadoes per area, I think Iowa leads the way, and Alabama is very similar to Oklahoma.
Here's one for France, areas where tornadoes are more common than the national average are highlighted in red. The areas where they're the least susceptible to occur are highlighted in blue:
Departments non highlighted haven't seen a single EF3+ tornado since 1960. So, the "tornado alley" of France is the region where thunderstorms are the least common, that is to say the broad NW, from the Charente area between Bordeaux and Nantes to Normandy and the Belgian border. The extreme north sees the most, especially the most violent ones. The last deadly event occured there.
Here's one for France, areas where tornadoes are more common than the national average are highlighted in red. The areas where they're the least susceptible to occur are highlighted in blue:
Departments non highlighted haven't seen a single EF3+ tornado since 1960. So, the "tornado alley" of France is the region where thunderstorms are the least common, that is to say the broad NW, from the Charente area between Bordeaux and Nantes to Normandy and the Belgian border. The extreme north sees the most, especially the most violent ones. The last deadly event occured there.
Interesting. That's not what I would have expected.
In terms of strong tornadoes per area, I think Iowa leads the way, and Alabama is very similar to Oklahoma.
In the last 50 years, Alabama has seen the most EF5 tornadoes of any state. Lawrence, Limestone, Morgan, Madison, and Marion counties in northern AL have been hit by 3 times by F5s.
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