National Weather Service United States Department of Commerce

Powerful Pacific Storm to Continue Impacting Northern California; Heavy Snow in the Appalachians and Portions of the Northeast

A strong atmospheric river will continue to impact northern California with heavy rain and life-threatening flooding through Friday. Unsettled weather is expected across much of the Northeast and Great Lakes over the next few days, including the likelihood of heavy snow in the central Appalachians and higher elevations of northeastern Pennsylvania and southern New York. Read More >

SPC
ID #
Date Time
(CST)
Path
Length
(miles)
Path
Width
(yards)
F-Scale Killed Injured County Path
  05/17/1898         0   Woods Waynoka - near Alva
  05/26/1908 1830   440   4 3 Woods Alva
39-1 04/14/1939 2300 65 n   7 19 Dewey/ Woodward/ Major/ Woods Near Vici - near Waynoka - near Hopeton - near Alva - Capron - just inside KS
51-41 08/31/1951 1550 0.5 440 F1 0 0 Woods 4 S Alva
55-62 06/17/1955 1730 4 500 F2 0 0 Woods Near Alva
56-26 05/30/1956 2045 n/a n/a F0 0 0 Woods NW of Alva
59-5 03/25/1959 1230 2 50 F0 0 0 Woods Alva
64-10 04/16/1964 1825 n/a n/a F0 0 0 Woods 3 W Alva
64-22 05/05/1964 1800 n/a n/a F0 0 0 Woods 6 W Alva
64-23 05/05/1964 1845 n/a n/a F1 0 0 Woods 5 SE Alva
65-64 06/23/1965 1742 n/a n/a F0 0 0 Woods 8 NW Alva
69-30 09/15/1969 1927 n/a n/a F0 0 0 Woods 7 W Alva
  05/18/2017 1557 0.2 50 EF? 0 0 Woods 4 NW Alva
 

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.