Significant and potentially significant tornadoes in the western U.S. since 1980

Tornadoes since 1980 in the western U.S. that are:

F2 or greather
path length of 5 miles or greater, or
path width of 400 yards or greater
Other notes about this list

AZ	5/1/1980	1248	27	50	F1	YAVAPAI/ COCONINO	W of Seligmon - N of Ashfork
AZ	7/22/1984	1415	1	1500	F1	PINAL	16 S Chandler
AZ	8/31/1992	1342	10	20	F0	COCONINO	50 N Flagstaff (near Little Colorado River)
AZ	10/24/1992	1555	6	200	F2	COCONINO	15 NNE Flagstaff (Sunset Crater National Monument))
AZ	1/17/1993	1330	2	50	F2	MARICOPA	12 NE - 14 NE Phoenix
AZ	5/16/1993	1400	0.3	20	F2	YAVAPAI	2 SW Chino Valley
AZ	7/28/1994	1728	2	23	F2	PIMA	10 NNW - 12 NNW Tucson
AZ	11/22/1996	1736	5	400	F1	MOHAVE	18 SW - 16 SSW Kingman
AZ	7/6/1999	1518	8	20	F0	PINAL	near - 5 W Florence Junction
AZ	9/9/2003	810	4.5	100	F0	COCONINO	2 N Bellemont - 5 N Flagstaff
AZ	10/18/2005	1100	40	100	F0	COCONINO/ NAVAJO	40 ENE Cameron - Navajo National Monument

CA	4/5/1980	1140	15	10	F2	1	KINGS/ TULARE	[4 NW Hanford - 5 SSW Goshen]
CA	5/9/1980	1905	0.1	3	F2	0	TEHAMA	2 E Red Bluff airport
CA	3/28/1982	1900	5	20	F1	1	FRESNO	near Selma
CA	9/7/1982	1530	0.5	20	F2	2	SAN BERNARDINO	6 NNW Joshua Tree
CA	11/9/1982	1330	1	150	F2	0	LOS ANGELES	near Van Nuys - near Pamarano City
CA	11/9/1982	1400	10	1300	F2	0	LOS ANGELES	near Long Beach
CA	3/1/1983	940	4	100	F2	30	LOS ANGELES	Los Angeles (south central)
CA	3/11/1985	1200	0.5	20	F2	0	SAN BENITO	near Hollister
CA	9/24/1986	1415	2	100	F2	1	TEHAMA	near Vina
CA	3/19/1991	430	1	440	F1	0	SAN DIEGO	near San Carlos
CA	12/2/1992	1700	8	100	F1	0	SONOMA	near Sebastopol
CA	12/6/1992	1900	7	73	F1	2	MONTEREY	near Carmel - near Monterey - near Seaside
CA	12/17/1992	1730	5	23	F1	0	YUBA	near Loma Rica
CA	2/7/1994	2015	9	73	F0	0	ORANGE	near Newport Beach - near Tustin
CA	2/10/1994	1628	0.3	20	F2	2	BUTTE	Oroville
CA	12/23/1996	1000	6	20	F1	0	MARIN	2 W - 4 E Tomales
CA	5/18/1997	1550	9	40	F1	0	SAN BERNARDINO	1.5 N - 9.7 ENE Apple Valley airport
CA	5/5/1998	1643	0.6	100	F2	1	SANTA CLARA	Sunnyvale
CA	8/14/2004	1140	1	800	F0	0	SAN BERNARDINO	near Phelan

ID	5/15/1984	1400	8	3	F1	0	MADISON/ FREMONT	3 E Rexburg - just NW of St. Anthony
ID	5/21/1986	1530	5	200	F1	0	ONEIDA	2 S Samaria - 1 NW Woodruff
ID	3/23/1988	1640	15	40	F1	0	JEFFERSON	N of Roberts - E of Rigby
ID	6/9/1990	1645	0.2	10	F2	0	JEROME	unspecified location
ID	8/17/1990	1325	4	100	F2	0	POWER	S of I-86 between American Falls and Pocatello
ID	4/9/1991	1715	1	100	F2	0	BONNER	near Priest River - Gold Cup Mountain
ID	5/18/1991	1536	0.2	50	F2	0	MINIDOKA	Rupert
ID	6/11/1993	1640	10	20	F1	2	BANNOCK	14 S Pocatello - near Inkom
ID	9/9/1994	1900	0.5	500	F0	0	KOOTENAI	S of Stateline village
ID	5/17/1996	1758	5.5	15	F1	0	WASHINGTON	Weisner
ID	5/31/1997	1305	5	50	F2	0	KOOTENAI	8 SE - 4 ESE Athol
ID	2/14/2000	1540	9	100	F0	0	POWER	near American Falls - near Schiller
ID	2/14/2000	1547	14	300	F1	0	BINGHAM	3 E Pingree - near Rose
ID	2/14/2000	1555	5	50	F0	0	BANNOCK	3 W Chubbuck - Chubbuck
ID	2/14/2000	1615	12	200	F1	0	BINGHAM/ BONNEVILLE	1 S Shelley - Shelley - Ammon
ID	2/14/2000	1619	9	200	F1	1	BINGHAM	near Firth - 4 E Shelley

MT	5/28/1981	1500	1.5	100	F2	0	0	FERGUS	NE of Roy
MT	5/7/1982	1700	0.5	20	F2	0	0	TOOLE	near Sunburst
MT	7/9/1983	1937	1	500	F1	1	1	MC CONE	3 N Vida
MT	5/4/1986	2000	0.1	10	F2	0	0	MUSSELSHELL	20 S Musselshell
MT	7/5/1988	1630	3	200	F3	0	2	CHOUTEAU	24 S - 27 ENE Big Sandy
MT	7/5/1988	1645	12	200	F3	0	0	CHOUTEAU	20 SE Big Ranch > NE
MT	7/5/1988	1645	10	200	F3	0	0	CHOUTEAU	25 SE Big Ranch > NE
MT	4/24/1994	1615	1.5	100	F2	0	0	JUDITH BASIN	1.5 SW Stanford
MT	4/24/1994	1630	1	300	F2	0	0	JUDITH BASIN	1.5 SW Stanford
MT	7/11/1995	1856	0.5	80	F2	0	0	MC CONE	12 SW Brockway
MT	6/25/1996	1955	2	30	F2	0	0	FERGUS	8 NE Denton
MT	8/23/1998	2045	7	50	F0	0	0	TREASURE	9 S - 13 SE Bighorn
MT	8/23/1998	2100	7	50	F0	0	0	TREASURE	20 SW - 23 SE Hysham
MT	6/20/1999	1900	5	300	F2	0	0	FALLON	12 NNE - 18 N Baker
MT	8/14/1999	1615	5	100	F2	0	3	FERGUS	near - 2 NE Lewistown
MT	8/14/1999	2015	5	5	F0	0	0	WHEATLAND	12 NNE - 17 NNE Harlowton
MT	7/20/2001	1420	29	100	F0	0	0	PHILLIPS/ VALLEY	1 E Sun Prairie - 30 W Fort Peck
MT	7/20/2001	1620	28	75	F0	0	0	GARFIELD/ MCCONE	near Haxby Hoolie Airport - 30 W Vida
MT	7/25/2001	1820	2	200	F2	0	0	FALLON	13 N Baker
MT	7/31/2001	1411	8	20	F0	0	0	GARFIELD	20 W - 12 W Jordan
MT	6/28/2002	1945	11	50	F0	0	0	JUDITH BASIN/ FERGUS	just W of Buffalo - 10 SE Moore
MT	7/8/2002	1530	10	200	F2	0	0	FERGUS	just N of Brooks - near Moulton (across unspecified rural areas of Fergus County)
MT	8/5/2002	1720	5	50	F0	0	0	JUDITH BASIN	rural northern Judith Basin County (near Geyser?)
MT	8/11/2005	1927	9	50	F0	0	0	STILLWATER/ YELLOWSTONE	6 W Molt - 10 SW Acton

NV	5/27/1987	1830	6	100	F1	0	0	ELKO	2 S - 7 SE Elburz
NV	5/27/1987	2035	8	50	F0	0	0	ELKO	10 WNW - 2 WNW Wells

12/8/1993

1600

120

YARNHILL/ WASHINGTON

2.5 SE - 5 NE Newburg

UT	7/25/1991	1900	10	100	F1	0	0	TOOELE	near Erda
UT	8/11/1993	1850	17	880	F3	0	0	DUCHESNE	20 N Roosevelt > NE
UT	8/11/1999	1141	4.3	150	F2	1	80	SALT LAKE	Salt Lake City
UT	9/4/2001	1515	5	20	F0	0	0	BEAVER	6 SW Milford
UT	9/8/2002	1250	2.7	270	F2	0	0	SANPETE	1 SSW Manti - Manti
UT	8/2/2005	2030	5	0.1	F0	0	0	DAVIS	15 NW - 18 NW Bountiful

WA	5/13/1986	1200	0.3	n/a	F2	SNOHOMISH	1 SE Trafton
WA	5/31/1997	1140	12	50	F1	LINCOLN	8 S Wilbur - Creston
WA	5/31/1997	1245	5	50	F1	STEVENS	8 S Clayton - 3 S Deer Park
WA	5/31/1997	1245	5	50	F1	SPOKANE	7 SSW - 3 S Deer Park
WA	7/21/1997	1515	5	100	F1	OKANGOAN	near - 5 NE Nespelem
WA	7/21/1997	1515	5	100	F1	OKANOGAN	near - 5 NE Nespelem
WA	6/27/2001	1845	2.3	400	F1	PIERCE	near Bonney Lake

WY	5/29/1980	1355	14	40	F0	0	0	LARAMIE	E of Burns - S of Pine Bluffs - into CO
WY	6/5/1982	1925	7	33	F2	0	1	CONVERSE	15 SW Douglas > NE
WY	6/5/1982	1945	7	33	F1	0	3	CONVERSE	3 NE Douglas
WY	6/5/1982	2001	6	33	F0	0	0	NATRONA	Casper Mountain - east of Casper
WY	6/5/1982	2030	1	17	F2	0	3	NIOBRARA	2 W Highway 85/270 junction
WY	6/14/1982	1430	10	167	F1	0	0	CAMPBELL	15 SW Gillette
WY	5/31/1984	1900	0.5	20	F2	0	0	CROOK	2 N Moorcraft
WY	6/13/1984	1900	4	30	F2	0	1	NIOBRARA	2 S Lance Creek - Lance Creek (south end)
WY	5/6/1985	1740	15	27	F1	0	0	GOSHEN	E of Slater - through southern Goshen County
WY	5/10/1985	1830	1	27	F2	0	0	CROOK	unspecified location
WY	8/2/1985	1330	0.2	10	F3	0	0	BIG HORN	Medicine Wheel district of Big Horn National Forest
WY	6/7/1986	1630	2	50	F2	0	0	FREMONT	Shoshoni
WY	6/13/1986	1610	15	23	F0	0	0	PLATTE	6 N Chugwater - 10 E Slater
WY	6/18/1987	1520	7	50	F2	0	0	NATRONA	10 N Casper
WY	6/19/1987	1840	5	50	F0	0	0	CROOK	6 N Moorcroft
WY	7/21/1987	1450	24	2550	F4	0	0	TETON	near Box Creek Trailhead (10 ENE Moran Junction) > NNE over Continental Divide and beyond Yellowstone River
WY	7/21/1987	1950	5	140	F2	0	0	NATRONA	25 N Casper
WY	5/6/1988	1447	1.5	50	F2	0	2	CAMPBELL	Nickelson Little Farms (8 SE Gillette)
WY	7/16/1989	1715	5	23	F0	0	0	CONVERSE	25 NE Douglas > E
WY	5/24/1990	1655	5	400	F2	0	0	LARAMIE	20 N - 25 N Cheyenne
WY	6/29/1993	1050	2	50	F3	0	0	CROOK	11 SW Sundance - into SD
WY	6/22/1995	1550	7	10	F0	0	0	CAMPBELL	3 SW - 3 SE Gillette
WY	6/9/1998	1204	11.5	10	F0	0	0	PLATTE	10 SW - 0.5 SW Chugwater
WY	8/21/1998	1515	5	10	F0	0	0	LARAMIE	1 N - 4 NE Burns
WY	6/12/1999	1445	12	400	F0	0	0	CAMPBELL	22 W - 13 SW Wright
WY	6/12/1999	1515	16	250	F0	0	0	CAMPBELL	15 SW - 19 S Wright
WY	6/12/2001	1230	9	25	F0	0	0	CAMPBELL	10 S - 14 SE Gillette
WY	6/12/2001	1250	27	25	F1	0	0	CAMPBELL/ WESTON	30 SSE Gillette - 13 SW Upton
WY	6/12/2001	1335	20	30	F1	0	0	WESTON	Rochelle - 7 SE Clareton
WY	6/26/2001	1756	0.7	400	F1	0	0	BIG HORN	1 S Greybull
WY	7/10/2001	1345	5	100	F1	0	0	LINCOLN	10 E - 15 E Opal
WY	7/10/2001	1530	0.5	50	F2	0	0	HOT SPRINGS	2.5 NW Kirby
WY	8/28/2002	1818	4.5	60	F0	0	0	LARAMIE	4 W - 1.5 S Burns
WY	8/12/2005	1540	1.5	450	F2	2	13	CAMPBELL	1 N Wright - Wright
WY	6/1/2005	1240	10	20	F0	0	0	BIG HORN	1.5 NW Burlington - 4 N Otto