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Was recently told that the extreme tornadoes we have been having recently are a result of climate change. (Yes I believe the earth is warming/has warmed(recently) though anthropogenic causes might not totally be behind it). Anyways, I told this guy that it was false and, of course, he told me I was wrong. Well I spent part of the day today working on a few little graphs that I believe will prove his assumption false. I hope you agree.
First off I start off with the number of EF-5/F-5 tornadoes since 1950.
(Important to note that NWS did not do damage surveys to determine rating till 1970, so some of the earlier tornadoes might not have receieved in F-5 rating if there was an onsite damage review conducted).
As you can see there is no upward trend, and if anything there is a downward trend. Though, factoring out the fact about damage surveys a good general assumption is that the EF-5/F-5 tornado rate of change is flat.
Proponents of the persons' theory will argue that tornado reports have on average increased since the 1950's. And that's really when warming took off so therefore they are related. However, I attribute it to population change/better forecasting/storm chasing.
With the population change....
This is nothing ground breaking by any means, and it's probably stuff most people are aware of. I just needed to prove the guy wrong with cold hard data.
My theory about the more powerful tornadoes are that they are more likely because of more debris being available to tear up, giving it a larger debris cloud. It's simple physics. The more mass that is closer to the center of a spinning object, the faster the spin. In the case of a tornado, the faster the spin, the more powerful the tornado. In the case of the Oklahoma City area, it has the 8th largest land area in the U.S. and being in "tornado alley", any tornado that hits that area will more than likely be a more powerful tornado.
He is right - there is a possibility of having a similiar repeat as of last week (at least having a 3-day period, geophraphically it will be different). The reason u have not seen anything yet is because it to far away from the near term spc outlook and there are some questionable items that keep it from being a no-brainer on long term outlook. We will have to see how things continue shape up. Bit I suspect you will start seeing more in the coming days and if you read the SPC 4-8 day outlook that are talking about conditions being favorable for some tornadoes, but they just are not brave enough to pull the string yet.
from the wichita NWS office
STORMS ARE EXPECTED TO DEVELOP OVER WESTERN KANSAS MONDAY AFTERNOON...AND ARE EXPECTED TO MOVE INTO CENTRAL KANSAS MONDAY EVENING. THESE STORMS MAY BE SEVERE WITH DAMAGING WINDS AND QUARTER SIZED HAIL. THERE WILL BE MULTIPLE CHANCES FOR STORMS FROM TUESDAY NIGHT THROUGH FRIDAY NIGHT ACROSS THE AREA. LOCATIONS WEST OF A LINE FROM SALINA TO HUTCHINSON TO HARPER...HAVE THE HIGHEST THREAT FOR SEVERE THUNDERSTORMS. THIS IS DUE TO THE PROXIMITY OF THE DRYLINE FOR MULTIPLE DAYS. CHANCES FOR SEVERE WEATHER EAST OF I-35 ARE MORE LIKELY TOWARD THE END OF THE WEEK WHEN THE FRONT WILL FINALLY WORK ITS WAY ACROSS THE AREA.
The potential is definitely there, with a good jet coming in by midweek. No, it's not clear-cut and models are disagreeing a bit, but it's there. So therefore, you're not gonna hear too much about something that's not edged in stone.
Deuces Valley.
... No really, deuces.
________________
"Enjoy the ride."
The potential is definitely there, with a good jet coming in by midweek. No, it's not clear-cut and models are disagreeing a bit, but it's there. So therefore, you're not gonna hear too much about something that's not edged in stone.
NWS starting to give hints on a possible 2-3 day severe/tornado outbreak
Wichita now in 4 consecutive days of At least a Slight Risk, though as Fever said, it's not a slam dunk and several of the days most of the action will be well West of Wichita.
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