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1970

653 tornadoes, 7 tropical cyclones near the U.S., 4 notable earthquakes. 45 tornadoes were rated F3/EF3 or stronger and tornadoes killed 73.

Tornadoes

653 recorded; 45 rated F3/EF3 or stronger.

Tornadoes by month, 1970 Jan: 9 Feb: 16 Mar: 25 Apr: 117 May: 88 Jun: 134 134 Jul: 81 Aug: 55 Sep: 54 Oct: 50 Nov: 10 Dec: 14 JanFebMarAprMayJunJulAugSepOctNovDec
  1. Texas121
  2. Oklahoma50
  3. Florida48
  4. Missouri37
  5. South Dakota31
  6. Kansas29
  7. Wisconsin28
  8. Mississippi27

Strongest and deadliest first

Tornadoes in 1970
May 11, 1970F5Lubbock8.426
Apr 18, 1970F4Gray, Swisher, Briscoe65.016
Apr 17, 1970F4Hall, Donley, Hale96.65
Apr 19, 1970F4Tippah, Alcorn, Hardin47.64
Oct 5, 1970F4Pottawatomie, Lincoln, Okfuskee25.04
Apr 27, 1970F4Montgomery, Cheatham, Robertson42.63
Apr 17, 1970F4Gray, Parmer, Randall130.01
Apr 17, 1970F4Cochran, Hockley30.00
Jun 12, 1970F4Chariton, Macon16.10
Mar 19, 1970F3Chambers2.02
Jun 11, 1970F3Adair, Washington, Benton51.81
Oct 3, 1970F3Worcester, Middlesex35.41
Jun 18, 1970F3Lebanon1.91
Jun 24, 1970F3Nueces1.51
Jul 7, 1970F3Iron, Vilas37.90
Apr 24, 1970F3Marshall, Livingston, Lyon25.40
Jun 14, 1970F3Sheridan, Decatur17.20
Apr 24, 1970F3Shelby17.00
Jun 12, 1970F3Audrain16.00
Jun 11, 1970F3Pawnee, Oklahoma13.20
Dec 1, 1970F3Outagamie13.10
Apr 24, 1970F3DeSoto, Shelby12.30
Apr 24, 1970F3Shelby10.40
Jun 12, 1970F3Macon8.50
Apr 30, 1970F3Ripley, Butler8.20
Nov 19, 1970F3Lee8.00
Jun 13, 1970F3Edwards7.30
Oct 8, 1970F3Benton6.90
Apr 19, 1970F3Caddo, Bossier6.80
Apr 2, 1970F3Forsyth6.50
Jul 19, 1970F3Oregon5.00
Sep 9, 1970F3Dubuque4.70
Oct 11, 1970F3Jefferson4.30
Jun 26, 1970F3Kinney3.80
Aug 19, 1970F3Erie2.30
Sep 3, 1970F3Pickaway2.30
Nov 19, 1970F3Perry2.00
Mar 5, 1970F3Brevard1.90
Apr 19, 1970F3St. Francis1.80
Mar 17, 1970F3St. Mary1.00
Apr 26, 1970F3Major1.00
Mar 3, 1970F3Rusk0.50
Apr 23, 1970F3Scott0.50
Apr 2, 1970F3Coweta0.30
Jun 15, 1970F3Lake0.10
Jun 11, 1970F2Craig15.41
Jun 11, 1970F2Pittsburg5.21
Jul 14, 1970F2Lincoln3.81
Jul 22, 1970F2Emanuel2.01
Jul 4, 1970F2Travis1.51
Oct 11, 1970F2Cameron1.01
Apr 25, 1970F2Kaufman0.11
Apr 29, 1970F2Canadian, Oklahoma, Logan170.50
Jun 15, 1970F2Madison, Stanton, Wayne59.10
Apr 30, 1970F2Grady, Canadian, Oklahoma46.70
Jun 15, 1970F2Butler, Saunders, Washington42.90
Apr 17, 1970F2Quay39.80
Dec 1, 1970F2Waupaca, Shawano31.90
Apr 29, 1970F2Harrison, Mercer, Wayne29.30
Mar 2, 1970F2Harvey, Marion25.50
May 24, 1970F2Willacy, Cameron25.50
Oct 5, 1970F2Cleveland, Pottawatomie24.40
Jul 7, 1970F2Pine, Carlton22.30
Nov 19, 1970F2Washington20.30
Apr 29, 1970F2Waseca, Steele20.10
Apr 30, 1970F2Izard, Sharp20.10
May 31, 1970F2Martin, Dawson18.60
Apr 1, 1970F2Leflore16.90
Sep 9, 1970F2Grant, Lafayette15.70
Apr 25, 1970F2Morris, Cass14.90
Nov 19, 1970F2Jefferson, Arkansas14.60
Oct 9, 1970F2Rock, Dane14.40
May 12, 1970F2Henry14.40
Sep 9, 1970F2Jo Daviess, Lafayette14.30
Apr 26, 1970F2Coleman, Brown14.20
Sep 4, 1970F2Pope12.30
May 10, 1970F2Lafayette, Pontotoc, Union11.80
Apr 22, 1970F2Kewaunee, Door11.20
Feb 25, 1970F2Ware10.90
Aug 29, 1970F2Ransom10.30
Apr 22, 1970F2Kewaunee, Door9.50
May 8, 1970F2Lincoln, Ottawa9.50
Sep 6, 1970F2Harper8.80
Jun 13, 1970F2Pawnee8.40
May 13, 1970F2Knox7.60
Apr 22, 1970F2Brown7.20
Apr 30, 1970F2Stone7.20
May 12, 1970F2Lynn6.80
Apr 30, 1970F2Cleburne6.40
Jun 12, 1970F2Lewis6.20
Oct 11, 1970F2Jefferson6.10
Apr 2, 1970F2Etowah6.10
May 12, 1970F2Pottawattamie, Cass5.90
Apr 19, 1970F2Monroe5.60
Apr 2, 1970F2Dallas5.60
Apr 18, 1970F2Pontotoc5.20
Apr 2, 1970F2Hart5.20
May 24, 1970F2Evangeline5.20
Dec 29, 1970F2Grady5.10
Dec 30, 1970F2Jefferson5.10
Apr 12, 1970F2Reynolds5.10
Apr 1, 1970F2Mississippi5.10
Apr 30, 1970F2Cook4.90
May 9, 1970F2Camden4.90
Jul 14, 1970F2Gage4.70
May 23, 1970F2Zapata4.50
May 23, 1970F2Zapata4.50
Aug 3, 1970F2Franklin4.50
Apr 30, 1970F2Faulkner4.30
Jun 16, 1970F2McLean4.30
Jun 21, 1970F2Cullman3.80
Apr 22, 1970F2Brown3.60
May 14, 1970F2Logan3.00
May 14, 1970F2Morrow3.00
Jul 18, 1970F2Douglas3.00
Nov 19, 1970F2Benton2.50
Mar 26, 1970F2Dauphin2.50
May 25, 1970F2Chatham2.50
Jun 11, 1970F2Pontotoc2.50
Jun 14, 1970F2Campbell2.50
Apr 9, 1970F2Franklin2.30
Jun 12, 1970F2Pike2.30
Jul 1, 1970F2Lincoln2.30
Sep 9, 1970F2Bremer2.30
Oct 27, 1970F2Harris2.00
Oct 8, 1970F2Appanoose2.00
Dec 1, 1970F2Wood2.00
Feb 1, 1970F2Harrison2.00
Mar 20, 1970F2Harris2.00
Apr 18, 1970F2Tarrant2.00
Apr 2, 1970F2Franklin2.00
Apr 2, 1970F2Knox2.00
May 9, 1970F2Washington2.00
Jun 11, 1970F2Murray2.00
Jun 12, 1970F2Shelby2.00
Jul 15, 1970F2Bergen2.00
Jul 18, 1970F2Benton2.00
Jul 3, 1970F2New Madrid2.00
Jul 7, 1970F2Portage2.00
Aug 2, 1970F2Boone2.00
Sep 21, 1970F2Eau Claire2.00
Sep 9, 1970F2Butler1.90
Jun 20, 1970F2Macon1.70
Oct 23, 1970F2Wharton1.50
Jun 15, 1970F2Graham1.50
Apr 19, 1970F2Poinsett1.30
Apr 30, 1970F2White1.30
Jul 14, 1970F2Hardin1.30
Oct 23, 1970F2Wharton1.20
Apr 19, 1970F2Gregg1.20
Oct 11, 1970F2Galveston1.00
Oct 13, 1970F2Jefferson1.00
Oct 22, 1970F2Eastland1.00
Nov 8, 1970F2Shawnee1.00
Jan 10, 1970F2Hardin1.00
Mar 19, 1970F2Hale1.00
Mar 3, 1970F2Titus1.00
Apr 24, 1970F2Howard1.00
Apr 25, 1970F2Dallas1.00
Apr 26, 1970F2Randolph1.00
Apr 26, 1970F2Comanche1.00
Apr 2, 1970F2Highland1.00
May 9, 1970F2Louisa1.00
Jul 14, 1970F2Plymouth1.00
Jul 2, 1970F2Lancaster, York1.00
Aug 22, 1970F2Harrison1.00
Aug 28, 1970F2Bristol1.00
Sep 9, 1970F2Dubuque1.00
Jun 27, 1970F2Gadsden0.80
Aug 18, 1970F2Hardeman0.80
Sep 6, 1970F2Norton0.80
Nov 4, 1970F2Atlantic0.50
Dec 16, 1970F2Sumter0.50
Jan 29, 1970F2Gwinnett0.50
Apr 18, 1970F2Bexar0.50
Apr 19, 1970F2Harris0.50
Apr 24, 1970F2Madison0.50
Apr 25, 1970F2Young0.50
May 14, 1970F2Medina0.50
May 15, 1970F2Gillespie0.50
May 30, 1970F2Stanton0.50
May 9, 1970F2Linn0.50
Jul 19, 1970F2Bartow0.50
Sep 20, 1970F2Harrison0.50
Sep 27, 1970F2Nassau0.50
May 15, 1970F2Decatur0.40
Oct 6, 1970F2Faulkner0.30
Nov 24, 1970F2Snohomish0.30
Apr 19, 1970F2Shelby0.30
Jun 22, 1970F2Cook0.30
Jun 25, 1970F2Keith0.30
Mar 3, 1970F2Marion0.20
Sep 7, 1970F2Stephens0.20
Oct 13, 1970F2Simpson0.10
Oct 13, 1970F2Leake0.10
Nov 19, 1970F2Ohio, Daviess0.10
Jan 15, 1970F2St. Lucie0.10
Jan 6, 1970F2Hillsborough0.10
Feb 1, 1970F2Jefferson0.10
Feb 3, 1970F2Alachua0.10
Feb 3, 1970F2Sarasota0.10
Feb 3, 1970F2DeSoto0.10
Feb 3, 1970F2Indian River0.10
Mar 25, 1970F2Jackson0.10
Mar 26, 1970F2Palm Beach0.10
Mar 3, 1970F2Washington0.10
Apr 18, 1970F2Rockwall0.10
Apr 24, 1970F2McNairy0.10
Apr 26, 1970F2Taylor0.10
Apr 1, 1970F2Madison0.10
May 12, 1970F2Custer0.10
May 13, 1970F2Morrow0.10
Jun 10, 1970F2Grand0.10
Jun 10, 1970F2Butler0.10
Jun 11, 1970F2Kingfisher0.10
Jun 11, 1970F2Okfuskee0.10
Jun 11, 1970F2Pushmataha0.10
Jun 21, 1970F2Petersburg city0.10
Jun 21, 1970F2Chesterfield0.10
Jun 23, 1970F2Grayson0.10
Jun 1, 1970F2Jackson0.10
Jun 2, 1970F2Baldwin0.10
Jul 15, 1970F2Cuyahoga0.10
Jul 18, 1970F2Potter0.10
Jul 22, 1970F2Palm Beach0.10
Jul 3, 1970F2Gilchrist0.10
Jul 5, 1970F2Flagler0.10
Aug 25, 1970F2Lafayette0.10
Aug 3, 1970F2Calhoun0.10
Aug 3, 1970F2Live Oak0.10
Aug 3, 1970F2Frio0.10
Aug 3, 1970F2Frio0.10
Aug 4, 1970F2Brazoria0.10
Sep 13, 1970F2Bexar0.10
Sep 26, 1970F2Coshocton0.10
Sep 6, 1970F2Beaver0.10
Jun 18, 1970F1Herkimer2.31
May 15, 1970F1Harris, Brazoria, Fort Bend28.90
Apr 25, 1970F1Claiborne, Lincoln24.40
May 10, 1970F1Monroe20.10
Mar 25, 1970F1Pemiscot18.90
Jun 18, 1970F1Berkshire, Franklin18.70
May 31, 1970F1Randall17.20
Aug 17, 1970F1Franklin, Worcester16.70
Sep 6, 1970F1Ransom15.50
Sep 23, 1970F1Adams15.40
Nov 19, 1970F1Carroll14.30
Sep 1, 1970F1Collin14.10
May 30, 1970F1Kleberg13.10
Apr 19, 1970F1Jackson, Jennings12.80
Jun 26, 1970F1Pulaski, Fulton11.90
Jul 14, 1970F1Benton11.30
Aug 30, 1970F1Jefferson10.80
Jun 25, 1970F1Polk, Mahnomen10.30
Jun 11, 1970F1Stephens10.10
Sep 3, 1970F1Rush10.10
Oct 3, 1970F1Somerset9.50
Apr 29, 1970F1Dunn, Barron9.50
Jul 2, 1970F1Fluvanna9.30
Apr 12, 1970F1Madison9.20
Apr 26, 1970F1Madison8.60
Oct 27, 1970F1Harris8.20
Apr 15, 1970F1Stevens8.00
Sep 9, 1970F1Grant7.80
Apr 1, 1970F1Calhoun7.70
Dec 29, 1970F1Hancock, Harrison7.60
Oct 11, 1970F1Matagorda7.40
Apr 22, 1970F1Brown, Kewaunee7.20
Apr 17, 1970F1Lea7.10
May 14, 1970F1Bexar7.10
Apr 1, 1970F1Graves6.90
Oct 3, 1970F1Hartford, Hampden6.40
Apr 25, 1970F1Fannin6.10
May 13, 1970F1Elko5.70
Jun 1, 1970F1Jersey, Greene, St. Louis5.70
Sep 20, 1970F1Willacy5.70
May 14, 1970F1Medina5.10
Jul 7, 1970F1Douglas5.10
Sep 3, 1970F1Clark5.10
Dec 23, 1970F1Simpson4.90
Feb 3, 1970F1DeSoto4.90
May 14, 1970F1Hale4.90
May 14, 1970F1Hale4.90
May 9, 1970F1Walworth4.90
Oct 8, 1970F1Schuyler4.30
Apr 22, 1970F1Mower4.30
Jun 15, 1970F1Lincoln4.30
Jun 1, 1970F1Pike3.80
Apr 1, 1970F1Smith3.60
Apr 19, 1970F1Ripley3.30
Apr 26, 1970F1Shelby3.30
Jul 25, 1970F1Wells3.30
Dec 3, 1970F1Dodge3.00
Jun 16, 1970F1McLean3.00
Dec 1, 1970F1Portage2.70
May 9, 1970F1Woodford2.70
Aug 6, 1970F1Monroe2.50
Apr 1, 1970F1Jefferson2.30
Jun 12, 1970F1Carroll2.30
Jun 28, 1970F1Butte2.30
Sep 5, 1970F1Maricopa2.30
Oct 7, 1970F1Pontotoc2.00
Jan 29, 1970F1Tensas2.00
Apr 29, 1970F1Eaton2.00
May 9, 1970F1Mayes2.00
Jun 15, 1970F1McCook2.00
Jun 16, 1970F1Ford2.00
Jun 16, 1970F1Clark2.00
Jul 3, 1970F1Poweshiek2.00
Aug 11, 1970F1Brazoria2.00
Aug 1, 1970F1Union2.00
Aug 2, 1970F1Bristol2.00
Jul 2, 1970F1Richland1.90
Oct 26, 1970F1Navarro1.50
Apr 19, 1970F1Sevier1.50
Apr 30, 1970F1Eaton1.50
May 14, 1970F1Marion1.50
Jun 12, 1970F1Pike1.50
Jun 14, 1970F1Madison1.50
Jun 26, 1970F1Wayne1.50
Jul 1, 1970F1Lincoln1.50
Aug 23, 1970F1Lavaca1.50
Aug 30, 1970F1Butler1.50
Aug 30, 1970F1Cambria1.50
Sep 5, 1970F1Montezuma1.50
Sep 3, 1970F1Beaver1.30
Oct 3, 1970F1Cumberland1.20
Oct 22, 1970F1Eastland1.00
Oct 26, 1970F1Johnson1.00
Oct 8, 1970F1Bryan1.00
Dec 2, 1970F1Utah1.00
Feb 1, 1970F1Harris1.00
Mar 3, 1970F1Bolivar1.00
Apr 15, 1970F1Deuel1.00
Apr 18, 1970F1Collin1.00
Apr 26, 1970F1Brown1.00
Apr 26, 1970F1Comanche1.00
Apr 29, 1970F1Ripley1.00
Apr 2, 1970F1Summit1.00
May 11, 1970F1Lincoln1.00
May 11, 1970F1Crosby1.00
May 13, 1970F1Marion1.00
May 24, 1970F1Richland1.00
May 8, 1970F1Ellsworth1.00
May 9, 1970F1Dane1.00
Jun 12, 1970F1Henry1.00
Jun 14, 1970F1Pike1.00
Jun 17, 1970F1Hale1.00
Jun 18, 1970F1Lancaster1.00
Jun 21, 1970F1Eastland1.00
Jul 12, 1970F1Sarasota1.00
Jul 12, 1970F1Sarasota1.00
Jul 15, 1970F1Warren1.00
Jul 18, 1970F1Anoka1.00
Jul 31, 1970F1Dubuque1.00
Jul 4, 1970F1Orange1.00
Jul 4, 1970F1Harris1.00
Aug 24, 1970F1Jefferson1.00
Sep 13, 1970F1Hidalgo1.00
Sep 1, 1970F1Colorado1.00
Mar 3, 1970F1Hunt0.80
Apr 19, 1970F1Greene0.80
Apr 19, 1970F1Greene0.80
May 14, 1970F1Adams0.80
Jun 13, 1970F1Miller0.80
Oct 22, 1970F1Eastland0.50
Oct 7, 1970F1Pontotoc0.50
Oct 8, 1970F1Le Flore0.50
Dec 30, 1970F1Plaquemines0.50
Mar 17, 1970F1Beauregard0.50
Apr 25, 1970F1Tarrant0.50
Apr 26, 1970F1Holmes0.50
May 24, 1970F1Edgar0.50
May 25, 1970F1Charleston0.50
May 26, 1970F1Houston0.50
Jun 15, 1970F1Charles Mix0.50
Jun 27, 1970F1De Soto0.50
Jun 1, 1970F1East Baton Rouge0.50
Jun 1, 1970F1Cameron0.50
Jul 14, 1970F1Waupaca0.50
Jul 14, 1970F1Marinette0.50
Jul 15, 1970F1Erie0.50
Jul 15, 1970F1Chautauqua0.50
Jul 29, 1970F1Walworth0.50
Jul 31, 1970F1Allegheny0.50
Jul 2, 1970F1Stanton0.50
Jul 8, 1970F1Alexander0.50
Aug 19, 1970F1Stone0.50
Aug 24, 1970F1Brooks0.50
Sep 22, 1970F1Okmulgee0.50
May 15, 1970F1Fayette0.40
Oct 13, 1970F1Leake0.30
Mar 3, 1970F1Cass0.30
Apr 22, 1970F1Mower0.30
Apr 30, 1970F1Benton0.30
Apr 2, 1970F1Peach0.30
May 12, 1970F1Mahaska0.30
Jun 12, 1970F1Pettis0.30
Jun 18, 1970F1Madison0.30
Jun 2, 1970F1Pendleton0.30
Jul 1, 1970F1Lac qui Parle0.30
Jul 8, 1970F1St. Tammany0.30
Aug 29, 1970F1McLennan0.30
Aug 30, 1970F1Tioga0.30
Sep 18, 1970F1Lorain0.30
Sep 3, 1970F1Dubois0.30
Apr 19, 1970F1Scott0.20
Apr 23, 1970F1Daviess0.20
Apr 30, 1970F1Payne0.20
Jun 19, 1970F1Stone0.20
Jun 19, 1970F1Stutsman0.20
Jul 16, 1970F1Hillsborough0.20
Jul 28, 1970F1Mountrail0.20
Aug 17, 1970F1Cheshire0.20
Aug 29, 1970F1Barnes0.20
Oct 13, 1970F1Neshoba0.10
Oct 13, 1970F1Prentiss0.10
Oct 23, 1970F1Hardin0.10
Oct 26, 1970F1Newton0.10
Oct 26, 1970F1Pittsburg0.10
Jan 14, 1970F1Palm Beach0.10
Jan 6, 1970F1Hillsborough0.10
Feb 1, 1970F1Hancock0.10
Feb 1, 1970F1Okaloosa0.10
Feb 3, 1970F1Orange0.10
Feb 3, 1970F1Brevard0.10
Mar 11, 1970F1Sarasota0.10
Mar 25, 1970F1Butler0.10
Mar 30, 1970F1Conecuh0.10
Mar 30, 1970F1Quay0.10
Mar 5, 1970F1Miami-Dade0.10
Apr 17, 1970F1Lea0.10
Apr 19, 1970F1Alexander0.10
Apr 19, 1970F1Okaloosa0.10
Apr 19, 1970F1Monroe0.10
Apr 25, 1970F1Bowie0.10
Apr 30, 1970F1McLean0.10
Apr 1, 1970F1Shelby0.10
May 11, 1970F1Saline, Ottawa0.10
May 12, 1970F1Clinton0.10
May 12, 1970F1Story0.10
May 12, 1970F1Story0.10
May 22, 1970F1Guthrie0.10
May 24, 1970F1Monroe0.10
May 27, 1970F1Lea0.10
May 8, 1970F1Ellsworth0.10
Jun 10, 1970F1Cavalier0.10
Jun 11, 1970F1Washita0.10
Jun 11, 1970F1Harlan0.10
Jun 11, 1970F1Lincoln0.10
Jun 11, 1970F1Johnston0.10
Jun 11, 1970F1Ellis0.10
Jun 12, 1970F1Buffalo0.10
Jun 13, 1970F1Hancock0.10
Jun 14, 1970F1Ross0.10
Jun 14, 1970F1Campbell0.10
Jun 15, 1970F1Lake0.10
Jun 15, 1970F1Lake0.10
Jun 15, 1970F1Bon Homme0.10
Jun 15, 1970F1Pawnee0.10
Jun 19, 1970F1Shelby0.10
Jun 20, 1970F1Poweshiek0.10
Jun 20, 1970F1Lafayette0.10
Jun 25, 1970F1Seminole0.10
Jun 28, 1970F1Martin0.10
Jun 29, 1970F1Spokane0.10
Jul 11, 1970F1Middlesex0.10
Jul 11, 1970F1Glades0.10
Jul 11, 1970F1Glades0.10
Jul 21, 1970F1Galveston0.10
Jul 28, 1970F1Carroll0.10
Jul 3, 1970F1Montgomery0.10
Jul 9, 1970F1Orange0.10
Aug 17, 1970F1Wagoner0.10
Aug 18, 1970F1Randolph0.10
Aug 21, 1970F1Cavalier0.10
Aug 22, 1970F1Allen0.10
Aug 24, 1970F1Maverick0.10
Aug 1, 1970F1Morgan0.10
Aug 6, 1970F1Valley0.10
Sep 17, 1970F1Montgomery0.10
Sep 3, 1970F1Blaine0.10
Sep 3, 1970F1Craig0.10
Sep 3, 1970F1Medina0.10
Sep 6, 1970F1Pierce0.10
Sep 7, 1970F1Callaway0.10
Sep 7, 1970F1Sullivan0.10
Sep 8, 1970F1Muskingum0.10
Sep 9, 1970F1Floyd0.10
Mar 2, 1970F0Lincoln, Ottawa25.80
Jun 11, 1970F0Ness14.70
May 31, 1970F0Carson5.10
May 14, 1970F0Hale4.30
Apr 26, 1970F0Garfield3.60
Jun 11, 1970F0Barton3.00
Oct 2, 1970F0Cheboygan2.50
Jun 12, 1970F0Sumner2.50
May 21, 1970F0Brown2.00
Jun 11, 1970F0Creek2.00
Apr 27, 1970F0San Joaquin1.50
May 14, 1970F0White1.50
Feb 1, 1970F0Fort Bend1.00
May 22, 1970F0Thomas1.00
May 25, 1970F0Lubbock1.00
Jun 13, 1970F0Ness1.00
Jun 17, 1970F0Iowa1.00
Jun 25, 1970F0Nueces1.00
Jul 18, 1970F0Pierce1.00
Jul 24, 1970F0Cameron1.00
Jul 30, 1970F0Brown1.00
Dec 30, 1970F0Jefferson0.80
Apr 18, 1970F0Robertson0.80
Jun 21, 1970F0Eastland0.80
Jul 28, 1970F0Woods0.80
Aug 20, 1970F0Okaloosa0.80
Sep 3, 1970F0Tipton0.80
Oct 11, 1970F0Harris0.50
Oct 23, 1970F0Bastrop0.50
Oct 23, 1970F0Wharton0.50
Oct 26, 1970F0Bosque0.50
Oct 6, 1970F0Jefferson0.50
Dec 30, 1970F0Jefferson0.50
Apr 18, 1970F0McIntosh0.50
Apr 26, 1970F0Comanche0.50
Apr 2, 1970F0Gilmer0.50
May 14, 1970F0Lubbock0.50
Jun 20, 1970F0Kay0.50
Sep 17, 1970F0Harris0.50
Sep 20, 1970F0St. Louis0.50
Sep 26, 1970F0Erie0.50
Sep 27, 1970F0Clay0.50
Sep 2, 1970F0Johnson0.50
Oct 6, 1970F0McCurtain0.30
Apr 24, 1970F0Mason0.30
Apr 29, 1970F0Ripley0.30
May 15, 1970F0Cameron0.30
Aug 12, 1970F0Baca0.30
Sep 25, 1970F0McIntosh0.30
Sep 25, 1970F0McIntosh0.30
Apr 19, 1970F0Mississippi0.20
Apr 23, 1970F0Greenbrier0.20
May 25, 1970F0Bienville0.20
Jun 10, 1970F0Ward0.20
Oct 13, 1970F0Montgomery0.10
Oct 13, 1970F0Simpson0.10
Oct 13, 1970F0Neshoba0.10
Oct 26, 1970F0Bosque0.10
Oct 3, 1970F0Rockingham0.10
Jan 6, 1970F0Hillsborough0.10
Jan 6, 1970F0Highlands0.10
Feb 1, 1970F0Harrison0.10
Feb 3, 1970F0Highlands0.10
Mar 27, 1970F0Bernalillo0.10
Apr 18, 1970F0Lea0.10
Apr 26, 1970F0Major0.10
May 10, 1970F0Story0.10
May 11, 1970F0Wasco0.10
May 11, 1970F0Lincoln0.10
May 13, 1970F0Schuyler0.10
May 15, 1970F0Grant0.10
May 15, 1970F0Huntington0.10
May 22, 1970F0Nueces0.10
May 22, 1970F0Thomas0.10
May 25, 1970F0Lea0.10
May 25, 1970F0Chaves0.10
May 27, 1970F0Eddy0.10
May 28, 1970F0Dickey0.10
May 28, 1970F0Jackson0.10
May 28, 1970F0Jackson0.10
May 28, 1970F0Jackson0.10
May 29, 1970F0Irwin0.10
May 29, 1970F0Cape Girardeau0.10
May 29, 1970F0Okfuskee0.10
May 30, 1970F0Hutchinson0.10
May 30, 1970F0Kingsbury0.10
May 9, 1970F0Scott0.10
Jun 10, 1970F0Davis0.10
Jun 10, 1970F0Harper0.10
Jun 11, 1970F0Holt0.10
Jun 11, 1970F0Ellis0.10
Jun 11, 1970F0Richland0.10
Jun 12, 1970F0Ashland0.10
Jun 12, 1970F0Carroll0.10
Jun 12, 1970F0Carroll0.10
Jun 12, 1970F0Okeechobee0.10
Jun 12, 1970F0Harding0.10
Jun 14, 1970F0Billings0.10
Jun 14, 1970F0Campbell0.10
Jun 14, 1970F0Campbell0.10
Jun 14, 1970F0Campbell0.10
Jun 14, 1970F0Tripp0.10
Jun 15, 1970F0Minnehaha0.10
Jun 15, 1970F0Lake0.10
Jun 15, 1970F0Minnehaha0.10
Jun 15, 1970F0Turner0.10
Jun 15, 1970F0Clay0.10
Jun 15, 1970F0Brown0.10
Jun 16, 1970F0Brown0.10
Jun 17, 1970F0Wood0.10
Jun 19, 1970F0Kiowa0.10
Jun 19, 1970F0Dewey0.10
Jun 19, 1970F0Canadian0.10
Jun 19, 1970F0Washington0.10
Jun 20, 1970F0Grady0.10
Jun 25, 1970F0Sibley0.10
Jun 4, 1970F0Washington0.10
Jun 4, 1970F0Sumter0.10
Jun 5, 1970F0Box Elder0.10
Jun 8, 1970F0Hockley0.10
Jul 10, 1970F0Gulf0.10
Jul 12, 1970F0Costilla0.10
Jul 13, 1970F0Jefferson0.10
Jul 13, 1970F0Box Butte0.10
Jul 15, 1970F0Hughes0.10
Jul 16, 1970F0Woodward0.10
Jul 17, 1970F0Volusia0.10
Jul 17, 1970F0Volusia0.10
Jul 19, 1970F0Champaign0.10
Jul 19, 1970F0Maricopa0.10
Jul 22, 1970F0Jefferson0.10
Jul 24, 1970F0Sierra0.10
Jul 27, 1970F0Washington, Ozaukee0.10
Jul 29, 1970F0Deuel0.10
Jul 31, 1970F0Baca0.10
Jul 4, 1970F0Clarke0.10
Jul 9, 1970F0Nassau0.10
Jul 9, 1970F0Nassau0.10
Jul 9, 1970F0Nassau0.10
Jul 9, 1970F0Nassau0.10
Jul 9, 1970F0Hinds0.10
Jul 9, 1970F0Warren0.10
Aug 13, 1970F0Palm Beach0.10
Aug 18, 1970F0Scott0.10
Aug 21, 1970F0Escambia0.10
Aug 21, 1970F0Escambia0.10
Aug 21, 1970F0Escambia0.10
Aug 21, 1970F0Escambia0.10
Aug 21, 1970F0Grant0.10
Aug 23, 1970F0Bee0.10
Aug 23, 1970F0Bee0.10
Aug 23, 1970F0Bee0.10
Aug 24, 1970F0Kleberg0.10
Aug 31, 1970F0Tarrant0.10
Aug 2, 1970F0Dawson0.10
Aug 3, 1970F0DeWitt0.10
Aug 3, 1970F0Refugio0.10
Aug 4, 1970F0Harris0.10
Aug 8, 1970F0Pinal0.10
Sep 20, 1970F0Spink0.10
Sep 23, 1970F0Lawrence0.10
Sep 2, 1970F0Calhoun0.10
Sep 3, 1970F0Knox0.10
Sep 3, 1970F0Rogers0.10

Tropical cyclones

Storms whose tracks came within 100 miles of a U.S. county.

Tropical cyclones near the U.S. in 1970
AlmaCategory 1113GA, NC, SC, VA
BeckyTropical storm4FL
CeliaCategory 430TX
UnnamedCategory 118NC, SC
MaggieTropical storm0—
FeliceTropical storm18LA, TX
GretaTropical storm0—

Earthquakes

Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, strongest first.

Notable earthquakes of 1970
Feb 27, 19707.1near Atka, Alaska Aleutians West AK102.0
Apr 15, 19706.7near Yakutat, Alaska Yakutat City and AK6.2
Sep 13, 19705.6near Ferndale, California Humboldt CA9.3
Sep 12, 19705.2near Lytle Creek, CA San Bernardino CA6.7

Drought

On average 1% of lower-48 counties were in severe drought in 1970. The worst month was December 1970, with 2%.

Every year since 1895 on the drought page

Storm Prediction Center, National Hurricane Center HURDAT2, Monitoring Trends in Burn Severity, NOAA Storm Events Database, USGS Comprehensive Earthquake Catalog, NOAA nClimDiv Palmer Drought Severity Index. Damage is as reported at the time, not adjusted for inflation.