AR Tornado Analysis -  

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

Tornadoes YTD Tornado History
AR Tornadoes 2012 (NOAA unofficial)1
(Red=TOR, Green=Hail, Blue=Wind)
 AR Tornado Density Plot (since 1950)
TORREP for local area
1Based on preliminary Local Storm Reports
No. of Tornadoes by County Tornadoes Deaths by County


Tornado occurrence in Arkansas has been increasing significantly since 1995. Tornado strength, represented below by disturbed land area (DLA), 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.

Dixie Alley is the new Tornado Alley.

Tornado Density since (1997)
Based on tornado occurrence and includes touchdown, midpoint, and lift.
Tornado EF Plot

Disturbed Land Area2 (1950)
(white=least damage, dark red=most damage)
Depicts strength and includes touchdown, midpoint, and lift.
Tornado DLA
2DLA is calculated by converting track length and width to acres.
NOTE: Map includes touchdown, midpoint, and lift coordinates of a tornado track.

Current NOAA Tornado Tally (preliminary)

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

AR EF Trend (official)

Local Trend
Fatalities


Monthly Occurrence
Of the 367 AR fatalities, 28 were within 20mi of Benton, AR. Jan-May are the worst months for AR, followed by Nov-Dec. The peak hours for fatalities are between 2pm-9pm.
Hourly Occurrence

Fatalities and Injuries
Monthly Fatalities

Hourly Fatalities


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