Tag Archives: Enhanced Fujita Scale

At AGU 2013: Are tornadoes getting stronger? No.

This AGU session asked that question directly and I covered this previously. Now that the video of the entire session is available, I thought it worth revisiting. Of course, the answer is “no”, even when they try to make a … Continue reading

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Are Tornadoes Getting Stronger? Rebuttal to Elsner et al.

By Paul Homewood http://news.fsu.edu/More-FSU-News/Researchers-develop-model-to-correct-tornado-records   [Note Update Below] Quantification of long term tornado trends has been hampered by the fact that many more tornadoes are reported today than was the case in the past. NOAA summarise this well:- With increased … Continue reading

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NOAA’s claim on El Reno tornado may not hold up

Tornado Widths– NOAA Makes Changes In Procedure By Paul Homewood NOAA have claimed that the El Reno tornado, in Oklahoma in May, was the widest tornado on record. As I pointed out at the time, there was evidence to suggest … Continue reading

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Oklahoma tornado officially an EF5 – wind speeds still less than 1999 Moore tornado

The map below shows ‘Tornado Tracks Streak Across Oklahoma’ as measured by doppler radar. The rotation of tornadoes creates a distinctive signature in radar data, and can be used to estimate the track that the system takes over land. This … Continue reading

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Preliminary Tornado Report for 2012: a low year

Guest post by Paul Homewood Although tornado numbers still need to be confirmed for November/December, NOAA have issued their report for 2012. It has been abundantly clear for several months that the year would be one of the quietest on … Continue reading

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Tornado Report – September 2012

Guest post by Paul Homewood The tornado season remained a quiet one in September. According to data from NOAA’s Storm Prediction Center, during September, there were 43 preliminary tornado reports. This is less than the 1991-2010 September average of 74 … Continue reading

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Tornado Season Statistics Update – ‘remarkably quiet’

Guest post by Paul Homewood It does not seem long since the February outbreak of tornadoes had Joe Romm noting :- The unexpectedly fierce and fast tornado outbreak so early in the season has folks asking again about a possible … Continue reading

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NWS Dallas on yesterday’s tornado outbreak – just another statistic, no mention of “global warming”

Paul Homewood advises of this report just up on the National Weather Service Dallas website: http://www.spc.noaa.gov/wcm/2012/20120403-summary.pdf I’ve extracted and posted it below: Summary: A full assessment of the events of April 3, 2012 is not complete. However, we can review … Continue reading

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2011 US Tornado Year Analyzed – no trend indication, still below 1974 for strong to violent tornadoes

Guest Post by Paul Homewood NOAA have just about finalised their numbers for the 2011 tornado season, although December figures still await confirmation. It usually takes about three months to confirm the provisional reports as each tornado report has to … Continue reading

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Even with a busy tornado year, still no upward trend in tornadoes

US Tornado Trends–Updated to 2011 Guest post by Paul Homewood 2011 has obviously been a disastrous year for tornadoes in the USA, but does this reflect an increasing trend in either the number or severity of tornadoes? The NOAA graph below … Continue reading

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