MI Tornado Analysis

Official NWS data for the current year is released Apr-May the following year.
Tornadoes YTD Tornado History
MI Tornadoes 2014 (NOAA unofficial)1
(Red=TOR, Green=Hail, Blue=Wind)
MI Tornado Density Plot (since 1950)
TORREP for local area
1Based on preliminary Local Storm Reports

Tornado occurrence in Northern AL has been increasing significantly since 1995. Tornado strength is also increasing significantly. However, fatalities are decreasing, probably due to better forecasting, warning, and heightened public awareness.

Yearly Trend
1Disturbed Land Area represents track length and width of damage caused by tornadoes.

Current NOAA Tornado Tally (preliminary)

NOAA Tornado Tally
Official NWS data for the current year is released around May/Jun the following year.

MI EF Trend (official)

Local Trend

Dixie Alley is the new Tornado Alley.

Tornado Density (since 1995)
Based on tornado occurrence and includes touchdown, midpoint, and lift.
Tornado EF Plot

Tornado Strength (since 1995)
(white=none or EF-0, dark red=EF-5)
Depicts strength (EF Scale) and includes touchdown, midpoint, and lift.
Tornado Strength


SPC Annual Tornado Maps

Fatalities

Official NWS data for the current year is released Apr-May the following year.

Monthly Occurrence

Of the 383 AL fatalities, 48 were within 20mi of Madison, AL. Feb-May are the worst months for AL, followed by Nov. The peak hours for fatalities are oddly between 3p-7p.

Hourly Occurrence

Fatalities and Injuries

Monthly Fatalities

Hourly Fatalities


Download TAD to use for your webpg.

Data analysis for graphs and maps courtesy of: Lee Persing from MadALwx.
Tornado data courtesy of: NOAA.

Graph software courtesy of: jpGraph.
SlimAps Heatmap Studio was used to produce the maps. (link no longer available)