The Presidents' Day 2005 tornadoes in the southern Sacramento Valley of northern California

"This paper will discuss the synoptic situation that resulted in the development of lowtopped supercells in the Sacramento valley on 21 February 2005 in section 2. An examination of radar imagery from the WSR-88D in Davis, CA (KDAX) for the Southport, CA, Natomas, CA and Dunnigan, CA tornadoes will be presented in section 3. 5 Included in section 3 is a discussion on supercell movement and the hodographs for the Natomas, CA and Dunnigan, CA tornadoes. Section 4 is a summary and offers recommendations for operational forecasters"--Intro. James H. Mathews. "September 2009." Mode of access: World Wide Web. System requirements: Internet browser; Adobe Acrobat Reader. Includes bibliographical references (p. 50-52). 2009 NWS (National Weather Service) WR (Western Region) Library Public Domain 1931