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Author: Harold Brooks

Low Tornado Numbers and Low Tornado Deaths, May 2012-April 2013

Posted in U.S. Severe Weather Blog on May 1, 2013 by Harold Brooks.

Updated 10 May 2013 to add new information from April 2013 Updated 2 May 2013 to correct typo on date of previous low tornado count The 12-month period from May 2012 to April 2013 was…

Tags: deaths, severe storms, tornadoes

The Tornado “Drought” of 2012

Posted in U.S. Severe Weather Blog on August 2, 2012 by Harold Brooks.

UPDATE (14-Aug-2012): Graph corrected to indicate 2006 as previous 15 Apr-31 Jul minimum. The 2012 tornado season in the United States got off to a quick start with well-above average numbers in January, February, and…

Tags: climatology, tornadoes

No Tornado Deaths in May 2012

Posted in U.S. Severe Weather Blog on June 7, 2012 by Harold Brooks.

In May 2012, there were no tornado deaths in the United States. How unusual was that? We can look at the record of tornado deaths, discussed here, dating back to 1875. The last time there…

Tags: deaths, tornadoes

10 May 2010 tornado outbreak

Posted in U.S. Severe Weather Blog on May 11, 2010 by Harold Brooks.

Information on the 10 May 2010 tornado outbreak in Oklahoma and Kansas

Tags: deaths, tornadoes, vortex2

Some brief notes on the 24 April 2010 long-track tornado

Posted in U.S. Severe Weather Blog on April 26, 2010 by Harold Brooks.

Preliminary information on the long-track tornado that went from eastern Louisiana across much of Mississippi. 1. It had a path length of at least 97 miles. Over the last 40 years, we’ve averaged about one…

Tags: records, tornadoes

One tornado in February 2010 (UPDATED)

Posted in U.S. Severe Weather Blog on March 1, 2010 by Harold Brooks.

A late tornado report has been received, so there’s now 1 tornado in the database for February 2010.

Tags: climatology, records, tornadoes

The “shape” of the 2009 tornado season

Posted in U.S. Severe Weather Blog on June 22, 2009 by Harold Brooks.
Tornado anomalies through the year

One of the interesting questions that comes up every year is how to compare a tornado season with previous seasons. In 2009, that question has come up particularly in light of the quiet conditions lately.…

Tags: storm reports, tornadoes

US Annual Tornado Death Tolls, 1875-present

Posted in U.S. Severe Weather Blog on March 1, 2009 by Harold Brooks.
US Tornado Deaths Per Million People

We frequently get asked, “how many…” occur each year. One of the most common of those questions involves tornado deaths. Here’s the raw data.

Tags: deaths, history, tornadoes

The relationship between preliminary and final tornado reports

Posted in U.S. Severe Weather Blog on February 13, 2009 by Harold Brooks.
Monthly/12-monthly Final to Preliminary Tornado Count Ratio

The relationship between the preliminary and final counts of tornadoes is not as straightforward as it seems.

Tags: None

The rarity of the Oklahoma tornadoes of 10 Feb revisited

Posted in U.S. Severe Weather Blog on February 13, 2009 by Harold Brooks.

The question of how rare an event the Oklahoma tornadoes of 10 February 2009 is very difficult to answer.

Tags: None

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