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Harper County, Oklahoma Tornadoes (1875-2012)

SPC
ID #		 Date Time
(CST)		 Path
Length
(miles)		 Path
Width
(yards)		 F-Scale Killed Injured County Path
  05/22/1923 1600 10 660   1 2 Harper Near "Salt Springs" (11 W Freedom)
  04/18/1929 1630 5 1760   0 2 Harper northwest part of county
  04/24/1929 0100 10 1760   0 1 Harper E of "Willard" (10 NW Buffalo)
  05/01/1938 1745 s n   0 0 Harper NE part of county - into KS
  06/20/1943 2200 8     0 0 Harper S and E of Buffalo (possibly 6/16/43)
  03/18/1945 2245 3     0 0 Harper Near Laverne
  10/09/1949 2030 35 500   0 2 Beaver/ Harper Near Slapout - near "Girrard?"
60-10 04/12/1960 1200 n/a n/a F2 0 3 Harper Near Laverne
62-57 06/21/1962 2345 n/a n/a F1 0 0 Harper Laverne
65-47 05/24/1965 1800 n/a n/a F0 0 0 Harper NE of Buffalo
65-48 05/24/1965 2100 n/a n/a F0 0 0 Harper NE of Buffalo
65-50 05/25/1965 1600 n/a n/a F1 0 0 Ellis/ Harper 3 S May - NE of May
68-47 06/09/1968 1620 n/a n/a F1 0 0 Harper 10 SW Buffalo
70-38 09/06/1970 2130 9 n/a F2 0 0 Harper NW of Buffalo
71-31 06/09/1971 2030 0.5 400 F1 0 0 Harper 8 N Laverne
73-39 06/03/1973 1630 0.1 25 F1 0 0 Harper 8 NW Buffalo
83-64 06/13/1983 1615 0.1 10 F0 0 0 Harper W of Laverne
87-5 03/22/1987 1900 1.0 75 F2 0 0 Harper 6 S Laverne
87-9 03/22/1987 1950 0.5 30 F1 0 0 Harper 4 N May
91-46 05/15/1991 1935 12 900 F3 0 3 Harper 6 SW Laverne- Laverne- 4 ENE Laverne
93-16 04/30/1993 1855 0.1 20 F0 0 0 Harper 3 E Rosston
93-17 04/30/1993 2014 0.1 20 F0 0 0 Harper 4 N May
93-18 04/30/1993 2027 0.1 20 F0 0 0 Harper 6 NE May
95-52 06/08/1995 1615 0.2 30 F1 0 1 Harper Selman
  06/18/1999 1735 1 25 F0 0 0 Harper 3 SW Laverne
  02/24/2000 2013 27 150 F1 0 0 Lipscomb TX/ Ellis/ Harper 10 NE Lipscomb TX - 2 W Catesby - 5 SE Laverne
  10/19/2005 1647 13 400 F1 0 0 Harper/ Woodward 10 SSE Selman - 5 WNW Alabaster Caverns S. P.
  04/23/2007 1714 0.2 30 EF0 0 0 Harper 8 SSW Buffalo
  04/23/2007 1751 0.2 30 EF0 0 0 Harper 4 NE Laverne
  05/23/2008 1903 5 1100 EF3 0 0 Harper 10 SSW - 5 SSW Selman
  05/23/2008 1958 9 125 EF0 0 0 Harper/ Clark KS 9 NNW - 11.5 N Buffalo OK - 8.5 S Sitka KS
  04/14/2012 1559 0.5 30 EF1 0 0 Woodward/ Harper 9 E Fort Supply

Records taken from the Storm Prediction Center archive data, "Storm Data", and data from the National Weather Service office in Norman. Data modified as described in NOAA Tech Memo NWS SR-209 (Speheger, D., 2001: "Corrections to the Historic Tornado Database").

Historic data, especially before 1950, are likely incomplete.


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