This is from the damage survey team from the Little Rock Forecast office.
This single tornado stayed on the ground for 123 miles!!

Wow.
176
NOUS44 KLZK 100332
PNSLZK
ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-100600-
PUBLIC INFORMATION STATEMENT...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
930 PM CST SAT FEB 9 2008
...RECORD LONG TORNADO TRACK FOR ARKANSAS CONFIRMED...
DAMAGE THAT OCCURRED IN A LARGE SWATH FROM ATKINS...TO
CLINTON...MOUNTAIN VIEW AND HIGHLAND ON FEBRUARY 5TH WAS THE RESULT
OF ONE TORNADO.
THE TORNADO TRACKED FROM 5 MILES EAST-SOUTHEAST OF CENTERVILLE IN
YELL COUNTY TO 3.2 MILES NORTHEAST OF HIGHLAND IN SHARP COUNTY. THE
TRACK LENGTH WAS 123 MILES...WHICH IS THE LONGEST TORNADO TRACK
SINCE 1950. THE TORNADO HAS BEEN RATED EF4 ON THE ENHANCED FUJITA
SCALE...WITH WINDS BETWEEN 166 AND 200 MPH. THE DAMAGE PATH REACHED
A HALF MILE TO A MILE WIDE AT TIMES.
...THE TOP 5 TRACK LENGTHS SINCE 1950...
1. 02/05/2008 (123 MILES)
2. 02/20/1951 (112 MILES)
3. 04/30/1954 (92.4 MILES)
4. 03/20/1955 (89.4 MILES)
5. 12/24/1982 (63 MILES)
NOTE...THIS INCLUDES TORNADOES THAT REMAINED ENTIRELY IN ARKANSAS...
AS WELL AS TRACKS THAT ENTERED ARKANSAS FROM A NEIGHBORING STATE OR
BEGAN IN ARKANSAS AND MOVED INTO A NEIGHBORING STATE.
$$
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