1951
260 tornadoes, 2 tropical cyclones near the U.S., 7 notable earthquakes. 28 tornadoes were rated F3/EF3 or stronger and tornadoes killed 34.
Tornadoes
260 recorded; 28 rated F3/EF3 or stronger.
Strongest and deadliest first
| Sep 26, 1951 | F4 | Portage, Waupaca | 26.4 | 6 |
| Jun 27, 1951 | F4 | Trego | 0.8 | 5 |
| May 18, 1951 | F4 | Young | 2.0 | 2 |
| Jun 19, 1951 | F4 | McLeod, Wright, Hennepin | 52.6 | 1 |
| Sep 26, 1951 | F4 | Columbia | 9.0 | 1 |
| Jul 20, 1951 | F3 | Hennepin | 11.6 | 5 |
| Apr 21, 1951 | F3 | Jones, Jasper | 33.5 | 2 |
| Dec 6, 1951 | F3 | Bureau | 21.9 | 1 |
| Jun 27, 1951 | F3 | Logan | 18.2 | 1 |
| May 25, 1951 | F3 | Clay | 4.1 | 1 |
| Nov 13, 1951 | F3 | Marshall | 2.0 | 1 |
| Feb 20, 1951 | F3 | Oktibbeha | 0.1 | 1 |
| Jun 6, 1951 | F3 | Grant, Haskell, Seward | 44.8 | 0 |
| Mar 2, 1951 | F3 | Osborne, Mitchell, Cloud | 38.1 | 0 |
| Sep 12, 1951 | F3 | Pepin, Dunn | 24.4 | 0 |
| Jan 6, 1951 | F3 | Rapides, Grant | 16.8 | 0 |
| Apr 30, 1951 | F3 | Pratt | 12.8 | 0 |
| May 20, 1951 | F3 | Kearny, Finney | 12.8 | 0 |
| Jun 8, 1951 | F3 | Washita | 10.9 | 0 |
| Jun 6, 1951 | F3 | Carson | 10.4 | 0 |
| Jun 27, 1951 | F3 | Logan, Macon | 9.6 | 0 |
| Apr 30, 1951 | F3 | Oklahoma | 7.4 | 0 |
| Jun 21, 1951 | F3 | Pulaski, Fulton | 5.4 | 0 |
| Jun 1, 1951 | F3 | Marshall | 1.5 | 0 |
| Nov 13, 1951 | F3 | New Madrid | 1.0 | 0 |
| May 14, 1951 | F3 | Rawlins | 0.1 | 0 |
| May 20, 1951 | F3 | Rawlins | 0.1 | 0 |
| Aug 21, 1951 | F3 | Middlesex | 0.1 | 0 |
| Sep 26, 1951 | F2 | Newaygo | 2.3 | 1 |
| Jun 23, 1951 | F2 | Stevens | 0.1 | 1 |
| Feb 20, 1951 | F2 | Poinsett, Lonoke, Prairie | 112.8 | 0 |
| Jun 20, 1951 | F2 | Wichita, Scott, Lane | 48.6 | 0 |
| Nov 13, 1951 | F2 | Mason, Tazewell, McLean | 47.4 | 0 |
| Feb 19, 1951 | F2 | Caddo, Canadian, Kingfisher | 43.9 | 0 |
| Aug 21, 1951 | F2 | Litchfield, Hartford | 43.9 | 0 |
| Jun 18, 1951 | F2 | Crowley, Otero | 29.9 | 0 |
| Aug 15, 1951 | F2 | Clinton, Shiawassee | 28.5 | 0 |
| May 30, 1951 | F2 | Scotts Bluff | 19.7 | 0 |
| Jun 27, 1951 | F2 | Armstrong, Indiana | 19.7 | 0 |
| Apr 28, 1951 | F2 | Hancock | 15.2 | 0 |
| May 9, 1951 | F2 | Bryan, Marshall, Johnston | 14.8 | 0 |
| Jun 16, 1951 | F2 | Johnson | 14.5 | 0 |
| Jun 25, 1951 | F2 | Martin | 14.2 | 0 |
| Jun 25, 1951 | F2 | Cheyenne | 10.4 | 0 |
| Aug 21, 1951 | F2 | Essex | 9.3 | 0 |
| May 23, 1951 | F2 | Colquitt | 9.2 | 0 |
| May 11, 1951 | F2 | Somerset | 8.0 | 0 |
| Jul 22, 1951 | F2 | Cloud | 7.7 | 0 |
| Nov 13, 1951 | F2 | Jackson, Perry | 7.1 | 0 |
| Jan 11, 1951 | F2 | Santa Clara | 5.7 | 0 |
| Apr 5, 1951 | F2 | Cleveland | 5.7 | 0 |
| May 9, 1951 | F2 | Wichita | 4.9 | 0 |
| Aug 21, 1951 | F2 | Rockingham | 4.9 | 0 |
| Jun 6, 1951 | F2 | Lincoln | 4.7 | 0 |
| Jun 13, 1951 | F2 | Richmond city | 4.1 | 0 |
| Jun 6, 1951 | F2 | Grady | 3.8 | 0 |
| Apr 5, 1951 | F2 | Woods | 3.6 | 0 |
| Jun 6, 1951 | F2 | Childress | 3.6 | 0 |
| Aug 24, 1951 | F2 | Rawlins | 3.3 | 0 |
| Mar 29, 1951 | F2 | Hancock | 3.0 | 0 |
| May 31, 1951 | F2 | Jefferson | 3.0 | 0 |
| May 3, 1951 | F2 | Livingston | 2.3 | 0 |
| Jul 8, 1951 | F2 | Ray | 2.3 | 0 |
| Mar 12, 1951 | F2 | Sarasota | 2.0 | 0 |
| May 19, 1951 | F2 | Dewey | 2.0 | 0 |
| Sep 9, 1951 | F2 | Craig, Delaware | 2.0 | 0 |
| Nov 15, 1951 | F2 | Lauderdale | 1.5 | 0 |
| Nov 16, 1951 | F2 | Blount | 1.5 | 0 |
| Apr 20, 1951 | F2 | Wichita | 1.5 | 0 |
| Apr 30, 1951 | F2 | Oklahoma | 1.5 | 0 |
| May 20, 1951 | F2 | Kearny | 1.0 | 0 |
| Jun 19, 1951 | F2 | Dodge | 1.0 | 0 |
| Jun 22, 1951 | F2 | Cuyahoga | 1.0 | 0 |
| Jul 20, 1951 | F2 | Codington | 1.0 | 0 |
| Jul 2, 1951 | F2 | Lamb | 1.0 | 0 |
| Jul 9, 1951 | F2 | Howard | 1.0 | 0 |
| Sep 27, 1951 | F2 | Jefferson | 1.0 | 0 |
| Jun 25, 1951 | F2 | Hancock | 0.8 | 0 |
| Jun 7, 1951 | F2 | Tillman | 0.5 | 0 |
| Jul 21, 1951 | F2 | Washtenaw | 0.5 | 0 |
| Jul 3, 1951 | F2 | Richland | 0.5 | 0 |
| Aug 9, 1951 | F2 | Catawba | 0.5 | 0 |
| Nov 13, 1951 | F2 | Lake | 0.3 | 0 |
| Nov 14, 1951 | F2 | Giles | 0.2 | 0 |
| Apr 5, 1951 | F2 | Grady | 0.2 | 0 |
| Oct 23, 1951 | F2 | Yell | 0.1 | 0 |
| Nov 15, 1951 | F2 | Cullman | 0.1 | 0 |
| Dec 18, 1951 | F2 | Dukes | 0.1 | 0 |
| Dec 18, 1951 | F2 | Polk | 0.1 | 0 |
| Dec 18, 1951 | F2 | Polk | 0.1 | 0 |
| Feb 20, 1951 | F2 | Fayette | 0.1 | 0 |
| Feb 20, 1951 | F2 | Shelby | 0.1 | 0 |
| May 14, 1951 | F2 | Thomas | 0.1 | 0 |
| May 14, 1951 | F2 | Texas | 0.1 | 0 |
| May 14, 1951 | F2 | Texas | 0.1 | 0 |
| May 14, 1951 | F2 | Morton | 0.1 | 0 |
| May 21, 1951 | F2 | Geary | 0.1 | 0 |
| May 25, 1951 | F2 | Republic | 0.1 | 0 |
| Jun 21, 1951 | F2 | Rush | 0.1 | 0 |
| Jun 5, 1951 | F2 | Texas | 0.1 | 0 |
| Jun 6, 1951 | F2 | Grant | 0.1 | 0 |
| Jun 7, 1951 | F2 | Muskogee | 0.1 | 0 |
| Jun 8, 1951 | F2 | Madison | 0.1 | 0 |
| Jun 8, 1951 | F2 | Douglas | 0.1 | 0 |
| Jul 15, 1951 | F2 | Kingfisher | 0.1 | 0 |
| Jul 22, 1951 | F2 | Hillsborough | 0.1 | 0 |
| Jul 4, 1951 | F2 | Jasper | 0.1 | 0 |
| Jul 7, 1951 | F2 | Rooks | 0.1 | 0 |
| Jul 8, 1951 | F2 | Roberts | 0.1 | 0 |
| Aug 20, 1951 | F2 | Tolland | 0.1 | 0 |
| Sep 9, 1951 | F2 | Lowndes | 0.1 | 0 |
| May 26, 1951 | F1 | Franklin | 0.1 | 3 |
| May 24, 1951 | F1 | Haskell | 0.5 | 1 |
| Jun 23, 1951 | F1 | Morton | 0.1 | 1 |
| Jun 21, 1951 | F1 | Osborne, Mitchell | 22.2 | 0 |
| Jun 25, 1951 | F1 | Sedgwick | 20.2 | 0 |
| Jun 1, 1951 | F1 | Republic | 11.0 | 0 |
| May 20, 1951 | F1 | Sedgwick | 10.3 | 0 |
| Jun 6, 1951 | F1 | Pratt | 9.0 | 0 |
| May 30, 1951 | F1 | Clay, Geary | 8.3 | 0 |
| May 30, 1951 | F1 | Pottawatomie | 7.7 | 0 |
| Aug 10, 1951 | F1 | Logan | 5.9 | 0 |
| Jun 7, 1951 | F1 | Rogers | 5.7 | 0 |
| Aug 26, 1951 | F1 | Plymouth | 5.6 | 0 |
| Feb 6, 1951 | F1 | Tangipahoa | 4.9 | 0 |
| Jun 15, 1951 | F1 | Taylor | 4.9 | 0 |
| Jun 19, 1951 | F1 | Sioux | 4.7 | 0 |
| Jun 27, 1951 | F1 | Butler | 4.7 | 0 |
| Jun 21, 1951 | F1 | Cimarron | 4.3 | 0 |
| Jun 9, 1951 | F1 | Franklin | 3.8 | 0 |
| May 30, 1951 | F1 | Ellis | 3.0 | 0 |
| Jun 6, 1951 | F1 | Trego | 3.0 | 0 |
| Dec 18, 1951 | F1 | Pinellas | 2.8 | 0 |
| Apr 24, 1951 | F1 | Jackson | 2.5 | 0 |
| May 9, 1951 | F1 | Jefferson | 2.3 | 0 |
| Aug 10, 1951 | F1 | Cheyenne | 2.3 | 0 |
| Aug 15, 1951 | F1 | Eaton | 2.3 | 0 |
| Oct 21, 1951 | F1 | Noble | 2.0 | 0 |
| Dec 20, 1951 | F1 | Winston | 2.0 | 0 |
| May 30, 1951 | F1 | Chase | 2.0 | 0 |
| Jul 9, 1951 | F1 | Howell | 2.0 | 0 |
| Jun 13, 1951 | F1 | Pender | 1.0 | 0 |
| Apr 27, 1951 | F1 | Major | 0.8 | 0 |
| Jun 8, 1951 | F1 | Coffey | 0.8 | 0 |
| Nov 16, 1951 | F1 | Dougherty | 0.5 | 0 |
| Dec 18, 1951 | F1 | Duval | 0.5 | 0 |
| Feb 6, 1951 | F1 | St. Landry | 0.5 | 0 |
| Mar 28, 1951 | F1 | Houston | 0.5 | 0 |
| Apr 29, 1951 | F1 | Morris | 0.5 | 0 |
| May 31, 1951 | F1 | Hutchinson | 0.5 | 0 |
| Jun 19, 1951 | F1 | Lyon | 0.5 | 0 |
| Jun 1, 1951 | F1 | Eaton | 0.5 | 0 |
| Aug 22, 1951 | F1 | Calcasieu | 0.5 | 0 |
| Aug 31, 1951 | F1 | Woods | 0.5 | 0 |
| Sep 2, 1951 | F1 | Winn | 0.5 | 0 |
| Nov 1, 1951 | F1 | Orleans | 0.3 | 0 |
| Dec 6, 1951 | F1 | Lane | 0.3 | 0 |
| Apr 30, 1951 | F1 | Merrick | 0.3 | 0 |
| May 23, 1951 | F1 | Liberty | 0.3 | 0 |
| Jun 8, 1951 | F1 | Kay | 0.3 | 0 |
| May 25, 1951 | F1 | Nodaway | 0.2 | 0 |
| Aug 15, 1951 | F1 | Lapeer | 0.2 | 0 |
| Nov 1, 1951 | F1 | York | 0.1 | 0 |
| Dec 4, 1951 | F1 | Polk | 0.1 | 0 |
| Feb 20, 1951 | F1 | Lowndes | 0.1 | 0 |
| Feb 1, 1951 | F1 | Appomattox | 0.1 | 0 |
| Mar 30, 1951 | F1 | Adams | 0.1 | 0 |
| Apr 21, 1951 | F1 | Smith | 0.1 | 0 |
| Apr 24, 1951 | F1 | Kay | 0.1 | 0 |
| Apr 26, 1951 | F1 | Morton | 0.1 | 0 |
| Apr 26, 1951 | F1 | Beaver | 0.1 | 0 |
| Apr 26, 1951 | F1 | Morton | 0.1 | 0 |
| Apr 30, 1951 | F1 | Stephens | 0.1 | 0 |
| May 11, 1951 | F1 | King and Queen | 0.1 | 0 |
| May 13, 1951 | F1 | Ellis | 0.1 | 0 |
| May 15, 1951 | F1 | Castro | 0.1 | 0 |
| May 18, 1951 | F1 | Comanche | 0.1 | 0 |
| May 18, 1951 | F1 | Comanche | 0.1 | 0 |
| May 18, 1951 | F1 | Comanche | 0.1 | 0 |
| May 19, 1951 | F1 | Beckham | 0.1 | 0 |
| May 21, 1951 | F1 | Stanton | 0.1 | 0 |
| May 25, 1951 | F1 | Cloud | 0.1 | 0 |
| May 26, 1951 | F1 | Columbia | 0.1 | 0 |
| May 2, 1951 | F1 | Shawnee | 0.1 | 0 |
| May 2, 1951 | F1 | Atchison | 0.1 | 0 |
| May 8, 1951 | F1 | Wichita | 0.1 | 0 |
| May 9, 1951 | F1 | Cotton | 0.1 | 0 |
| Jun 14, 1951 | F1 | El Paso | 0.1 | 0 |
| Jun 20, 1951 | F1 | Thomas | 0.1 | 0 |
| Jun 20, 1951 | F1 | Major | 0.1 | 0 |
| Jun 24, 1951 | F1 | Bamberg | 0.1 | 0 |
| Jun 26, 1951 | F1 | Wood | 0.1 | 0 |
| Jun 26, 1951 | F1 | Midland | 0.1 | 0 |
| Jun 27, 1951 | F1 | Ellis | 0.1 | 0 |
| Jun 27, 1951 | F1 | Newport News city | 0.1 | 0 |
| Jun 6, 1951 | F1 | Potter | 0.1 | 0 |
| Jun 6, 1951 | F1 | Pratt | 0.1 | 0 |
| Jun 6, 1951 | F1 | Osborne | 0.1 | 0 |
| Jun 6, 1951 | F1 | Butler | 0.1 | 0 |
| Jun 8, 1951 | F1 | Phelps | 0.1 | 0 |
| Jun 8, 1951 | F1 | Tillman | 0.1 | 0 |
| Jul 17, 1951 | F1 | O'Brien | 0.1 | 0 |
| Jul 27, 1951 | F1 | Ellis | 0.1 | 0 |
| Jul 6, 1951 | F1 | Brunswick | 0.1 | 0 |
| Aug 13, 1951 | F1 | McPherson | 0.1 | 0 |
| Aug 13, 1951 | F1 | McPherson | 0.1 | 0 |
| Aug 14, 1951 | F1 | Hettinger | 0.1 | 0 |
| Aug 31, 1951 | F1 | Saline | 0.1 | 0 |
| Aug 31, 1951 | F1 | Dickinson | 0.1 | 0 |
| Aug 7, 1951 | F1 | Morton | 0.1 | 0 |
| Aug 8, 1951 | F1 | Morrill | 0.1 | 0 |
| Apr 26, 1951 | F0 | Grant | 29.2 | 0 |
| Aug 10, 1951 | F0 | Union | 12.2 | 0 |
| May 20, 1951 | F0 | Sedgwick | 6.1 | 0 |
| Jul 7, 1951 | F0 | Perkins | 5.1 | 0 |
| Jun 5, 1951 | F0 | Chaves | 2.0 | 0 |
| Jun 9, 1951 | F0 | Sharkey | 2.0 | 0 |
| Apr 21, 1951 | F0 | LaSalle | 1.0 | 0 |
| Apr 21, 1951 | F0 | Ouachita | 1.0 | 0 |
| Apr 26, 1951 | F0 | Seward | 1.0 | 0 |
| Sep 23, 1951 | F0 | Rush | 0.8 | 0 |
| Jun 17, 1951 | F0 | Gove | 0.7 | 0 |
| Dec 8, 1951 | F0 | Warren | 0.5 | 0 |
| Jun 15, 1951 | F0 | Shawnee | 0.5 | 0 |
| Jun 6, 1951 | F0 | Greer | 0.2 | 0 |
| Feb 19, 1951 | F0 | Cleveland | 0.1 | 0 |
| Mar 2, 1951 | F0 | Brown | 0.1 | 0 |
| Apr 20, 1951 | F0 | Morton | 0.1 | 0 |
| Apr 24, 1951 | F0 | Custer | 0.1 | 0 |
| Apr 30, 1951 | F0 | Chautauqua | 0.1 | 0 |
| May 13, 1951 | F0 | Custer | 0.1 | 0 |
| May 16, 1951 | F0 | Beckham | 0.1 | 0 |
| May 17, 1951 | F0 | Elbert, Douglas | 0.1 | 0 |
| May 19, 1951 | F0 | Beckham | 0.1 | 0 |
| May 20, 1951 | F0 | Sedgwick | 0.1 | 0 |
| May 30, 1951 | F0 | Clay | 0.1 | 0 |
| May 30, 1951 | F0 | Jackson | 0.1 | 0 |
| May 30, 1951 | F0 | Pottawatomie | 0.1 | 0 |
| May 30, 1951 | F0 | Riley | 0.1 | 0 |
| May 30, 1951 | F0 | Clay | 0.1 | 0 |
| May 9, 1951 | F0 | Osage | 0.1 | 0 |
| Jun 14, 1951 | F0 | Burleigh | 0.1 | 0 |
| Jun 17, 1951 | F0 | Hamilton | 0.1 | 0 |
| Jun 17, 1951 | F0 | Gove | 0.1 | 0 |
| Jun 17, 1951 | F0 | Franklin | 0.1 | 0 |
| Jun 19, 1951 | F0 | Comanche | 0.1 | 0 |
| Jun 22, 1951 | F0 | Greenwood | 0.1 | 0 |
| Jun 6, 1951 | F0 | Carson | 0.1 | 0 |
| Jun 6, 1951 | F0 | Pratt | 0.1 | 0 |
| Jun 6, 1951 | F0 | Pratt | 0.1 | 0 |
| Jun 6, 1951 | F0 | Gray | 0.1 | 0 |
| Jul 13, 1951 | F0 | Deuel | 0.1 | 0 |
| Jul 15, 1951 | F0 | Kingfisher | 0.1 | 0 |
| Jul 15, 1951 | F0 | Kingfisher | 0.1 | 0 |
| Jul 21, 1951 | F0 | Bradford | 0.1 | 0 |
| Jul 4, 1951 | F0 | Ford | 0.1 | 0 |
| Aug 23, 1951 | F0 | Rush | 0.1 | 0 |
| Aug 24, 1951 | F0 | Franklin | 0.1 | 0 |
| Aug 6, 1951 | F0 | Ford | 0.1 | 0 |
| Aug 7, 1951 | F0 | Trego | 0.1 | 0 |
Tropical cyclones
Storms whose tracks came within 100 miles of a U.S. county.
Earthquakes
Magnitude 5 or more in the lower 48 and Hawaii, 6.5 or more in Alaska, strongest first.
| Feb 13, 1951 | 6.9 | near Chignik, Alaska Kodiak Island AK |
| Aug 21, 1951 | 6.3 | near Honaunau-Napoopoo, Hawaii Hawaii HI |
| Jan 24, 1951 | 6.0 | near Tecolots, B.C., MX Yuma AZ |
| Oct 7, 1951 | 6.0 | near Ferndale, California Humboldt CA |
| Dec 25, 1951 | 5.8 | near San Clemente Is. (SE tip), CA Los Angeles CA |
| Apr 1, 1951 | 5.0 | near Ferndale, California Humboldt CA |
| Jul 29, 1951 | 5.0 | near Soledad, California San Benito CA |
Drought
On average 6% of lower-48 counties were in severe drought in 1951. The worst month was August 1951, with 9%.
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.