01553nam 2200409Ka 450 991069683870332120080729162807.0(CKB)5470000002382496(OCoLC)236105817(EXLCZ)99547000000238249620080725d2007 ua 0engtxtrdacontentcrdamediacrrdacarrierTornado climatology of the contiguous United States /[electronic resource]prepared by J.V. Ramsdell, Jr., J.P. RishelRev. 2.Washington, D.C. :Division of Risk Assessment and Special Projects, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission,[2007]1 volume (various pagings) digital, PDF fileTitle from title screen (viewed July 24, 2008)."Pacific Northwest Laboratory.""Date published: February 2007.""NUREG/CR-4461, Rev. 2.""PNNL-15112, Rev. 1."Includes bibliographical references (pages 9-1--9-2).TornadoesUnited StatesTornadoesRamsdell J. V1389789Rishel J. P1389790U.S. Nuclear Regulatory Commission.Division of Risk Assessment and Special Projects.Pacific Northwest Laboratory.GPOGPOBOOK9910696838703321Tornado climatology of the contiguous United States3441803UNINA