Ruins of the convent of the Sacred Heart. Miraculously, nuns in the building all escaped.

People of Omaha searching the ruins of their homes for valuables.

A real estate map showing the trap of the tornado through Ft. Smith. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Corner of Twelfth and A Streets. A grand piano remains on a foundation. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Looking northeast from the corner of Thirteenth and B Streets showing demolished homes. In: "Photographic Views of the Great Cyclone at Fort Smith: January 11, 1898...." Library Call No. M15.1 P575a.

Garrison Avenue looking west showing destruction in the business district. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Looking west from Texas corner showing destruction on Garrison Avenue. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Looking north on Reserve Addition. Destruction of business area not to mention horse. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Looking east from North Thirteenth and D Streets showing destruction of Baptist Church and high school building in the upper left. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Relatives and friends waiting outside the morgue in the search for friends and loved ones. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Looking east from South Sixth Street, on Reserve Addition. The remains of a small hotel is in the foreground but no fatalities occurred here. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Ruins of the Brogan Building on Towson Avenue. Eight dead were recovered here. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Looking north from Texas corner showing the destruction of an entire block. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Looking northeast from Texas corner showing the wreck of the Catholic Hall and several residences. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Ruins of the high school building as seen from Peabody School. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

The new high school building as it appeared before the tornado struck Ft. Smith. In: "Photographic Views of the Great Cyclone at Fort Smith: Tuesday night, January 11, 1898...." Library Call No. M15.1 P575a.

Hailstones compared to doorknobs. In: "Hailstorms of the United States," by Snowden D. Flora, 1956. P. 10. Library Call No. M78.7 F632hs.

This hailstone was four inches in diameter and weighed seven ounces. In: "Hailstorms of the United States," by Snowden D. Flora, 1956. P. 10. Library Call No. M78.7 F632hs.

Remains of a greenhouse destroyed by a hailstorm at the Allegheny Conservatory. In: "Hailstorms of the United States," by Snowden D. Flora, 1956. P. 10. Library Call No. M78.7 F632hs.

Damage to windows and a roof from a violent hailstorm. Left photo at Moore, Oklahoma, April 28, 1956. Right photo at Weatherford, Oklahoma, July 1, 1940. In: "Hailstorms of the United States," by Snowden D. Flora, 1956. P. 74. Library Call No. M78.7 F632hs.

Destruction "On the 'hill' - J. Munson's and W. M. Hall's" following passage of the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. 1878. P. 9. Library Call Number F104.W28 K435.

An elm tree, more than twenty feet in circumference, felled by the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. 1878. P. 33. Library Call Number F104.W28 K435.

Remains of the Catholic Church at Wallingford following passage of the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. 1878. P. 41. Library Call Number F104.W28 K435.

Samuel Parmelee's house following passage of the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. 1878. P. 51. Library Call Number F104.W28 K435.

All that remained of John Simmons' house following passage of the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. 1878. P. 67. Library Call Number F104.W28 K435.

John Ginty's house, thrown off its foundation by the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. 1878. P.71. Library Call Number F104.W28 K435.

The grade school building at Wallingford following the passage of the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. 1878. Frontispiece. Library Call Number F104.W28 K435.

Showing the path of destruction through Wallingford on the plains from the tornado of August 9, 1878. In: "History of the Wallingford Disaster," by John B. Kendrick. P. 9. 1878. Library Call Number F104.W28 K435.

A tornado touchdown area ? Tree pattern indicates rotation.

A tornado touchdown area ? Tree pattern indicates rotation.

Mammatocumulus over the United States Air Force Academy.

Artist's rendition of a tornado destroying a structure.

Artist's rendition of a tornado in farm country.

Artist's rendition of a tornado about to strike a school at the worst possible time while school buses are loading.

Chicken that escaped from a tornado with its skin but not all of its feathers.

Artwork for Project AEOLUS - Atmospheric Experiment on Orographic Flows Lee. Waves Upslope Snow Storms Severe Down Slope Wind Storms.

Artist's conception of gust front and gust front detection system.

Formation of gravity waves in the atmosphere in vicinity of mountain range.

Possible wet micro-burst

Wet microburst. Photo #1.

Wet microburst. Photo #2.

Wet microburst. Photo #3.

Wet microburst. Photo #4. Dangerous to landing and taking-off aircraft.

Limb of microburst apparent to left of vertical cloud column.

Dry microburst as seen over plains.

Dry microburst.

Thunderstorm and microburst in vicinity of airport.

Well developed thunder storm with microburst.

Diagram of microburst.

Diagram of microburst.