Dust and sand heaped up against fence windbreak. "Local drifting began almost imperceptibly and finally merged with regional blowing."Prior to the 1930's there had been a number of episodes of dust storms occurring in the Dust Bowl area. In: "Erosion and Its Control in Oklahoma Territory," Angus H. McDonald, Misc. Publication No. 301, Department of Agriculture. 1938. Figure 2. S21.A46.

A ranch house in South Dakota saved from burial by a wooden fence. Drifting material was primarily a relatively heavy clay, not sand. In: "Soil Blowing and Dust Storms," Charles E. Kellogg, Miscellaneous Publication No. 221, U.S. Department of Agriculture. March 1935.

Caption: "Dust Over Dakota." A forlorn farmer leans into a dust storm. In: "To Hold This Soil", Russell Lord, 1938. Miscellaneous Publication No. 321, U.S. Department of Agriculture.

Caption: "A Blown-Out Field in South Dakota." A farm blown away during the Dust Bowl years. In: "To Hold This Soil", Russell Lord, 1938. Miscellaneous Publication No. 321, U.S. Department of Agriculture.

Approaching dust storm in South Dakota. In: "Monthly Weather Review," February 1935, p. 54.

Approaching dust storm in South Dakota. In: "Monthly Weather Review," February 1935, p. 54.

Dust buried farms and equipment, killed livestock, and caused human death and misery during the height of the Dust Bowl years. In: "Monthly Weather Review," June 1936, p.196.

Dust buried farms and equipment, killed livestock, and caused human death and misery during the height of the Dust Bowl years. In: "Monthly Weather Review," June 1936, p.196.

Aerial view of the beginning of a dust storm over the prairie lands east of Denver. Northerly winds are removing topsoil and then the clouds of dust were raised as high as 16,000 feet by colliding southerly winds. Prevailing west winds then carried some of the dust as far east as the Atlantic coast. In: "Monthly Weather Review," June 1936, p. 197.

Sandstorm approaching Big Spring. This storm was a forerunner of the great dust storms of the Dust Bowl years. In: "Monthly Weather Rebiew," January 1931 , p. 30.

Caption: "Dust Over Texas." Huge boiling masses of dust that blocked out the sun were common sights in Texas during the Dust Bowl years. In: "To Hold This Soil", Russell Lord, 1938. Miscellaneous Publication No. 321, U.S. Department of Agriculture.

The remains of a cornfield after grasshoppers had completed the destruction begun by drought. 90% of crops surviving the drought were destroyed by grasshoppers in an 11,000 square mile area. In: "The Drought of 1931-1932 in Montana, North Dakota, South Dakota, Nebraska, and Washington," The American Red Cross, 1932.

An approaching dust storm somewhere in Kansas, 1935. In: "Effect of Dust Storms on Health," U. S. Public Health Service, Reprint No,. 1707 from the Public Health Reports, Vol. 50, no. 40, October 4, 1935.

A wall of dust approaching a Kansas town. In: "Effect of Dust Storms on Health," U. S. Public Health Service, Reprint No,. 1707 from the Public Health Reports, Vol. 50, no. 40, October 4, 1935.

Photo # 2 of sequence. Garden City approximately 15 minutes later after dust storm blotted out the sun. Street lights are on allowing orientation of picture . In: "Effect of Dust Storms on Health," U. S. Public Health Service, Reprint No,. 1707 from the Public Health Reports, Vol. 50, no. 40, October 4, 1935.

Photo # 1 of sequence. Garden City at 5:15 p.m. Note street lights and compare to photo 2 to orient picture. In: "Effect of Dust Storms on Health," U. S. Public Health Service, Reprint No,. 1707 from the Public Health Reports, Vol. 50, no. 40, October 4, 1935.

Drifting dust burying farm abandoned farm equipment. In: "Effect of Dust Storms on Health," U. S. Public Health Service, Reprint No,. 1707 from the Public Health Reports, Vol. 50, no. 40, October 4, 1935.

Drifting dust burying farm abandoned farm equipment. In: "Effect of Dust Storms on Health," U. S. Public Health Service, Reprint No,. 1707 from the Public Health Reports, Vol. 50, no. 40, October 4, 1935.

A Civilian Conservation Corps enrollee planting trees for a windbreak to stop erosion. In: "The Soil Conservation Service," D. Harper Simms, 1970. Praeger Library of U. S. Government Departments and Agencies.

Caption: "Manhandled Land - fertile soil goes off by carload lots." A common site during the Dust Bowl. The erosion in this picture was more an effect of poor farming practice than drought though. In: "To Hold This Soil", Russell Lord, 1938. Miscellaneous Publication No. 321, U.S. Department of Agriculture.

Caption: "Dust." Dust covers a fence line in the American Midwest during the Dust Bowl years. In: "To Hold This Soil", Russell Lord, 1938. Miscellaneous Publication No. 321, U.S. Department of Agriculture.

A dust storm approaching Spearman. In: "Monthly Weather Review," Volume 63, April 1935, p. 148.

"Measuring the dust in the air" a thousand feet above the earth with an Owens dust-counter from an open cock-pit aircraft. In: "The Realm of the Air" by Charles F. Talman, 1931. Library Call Number Library Call Number M/0030 T151r.

Dust storm in western U.S.

Dust storm in western U.S.

Dust storm in western U.S.

Dust storm in western U.S.

Winter weather precipitation outlook for the 2010-2011 winter. Products similar to these are produced each winter by NOAA's Climate Prediction Center, part of NOAA's National Weather Service.

Winter weather temperature outlook for the 2010-2011 winter. Products similar to these are produced each winter by NOAA's Climate Prediction Center, part of NOAA's National Weather Service.

U.S. Spring Flood Risk for the 2011 spring. Products similar to these are produced each year by NOAA's Climate Prediction Center, part of NOAA's National Weather Service.

North Central U.S. Spring Flood Risk as of February 17, 2011

Nick Wagner and Bill Dube, scientists from NOAA's Earth System Research Laboratory, Chemical Sciences Division, and the Cooperative Institute for Research in the Environmental Sciences are installing equipment to study how nitryl chloride, a compound usually associated with the atmosphere near the ocean, forms during the winter nighttime in land-locked regions.

A sophisticated chemistry laboratory, packed into a room-sized container, travels up and down the Boulder Atmospheric Observatory (BAO) to sample the atmosphere from the ground up to nearly 1,000 feet.

Theran Riedel from the University of Washington checks instruments inside the elevator-mounted laboratory that travels up and town the 1,000 foot tower at the Boulder Atmospheric Laboratory.

Roya Bahreini and Fatma Ozturk of both NOAA ESRL and CIRES check instrumentation designed to measure the composition of particles in the atmosphere.

Diagram of layer's of Earth's atmosphere in article discussing effects of nitrous oxide in depleting the Earth's ozone layer.

Ten indicators of a warming world including: rising air temperature near troposphere, rising humidity, rising temperature over oceans, rising sea level, rising sea surface temperature, rising ocean heat content, rising temperature over land, decreasing sea ice, decreasing glaciers, and decreasing snow cover.

Barrier and instruments used in NOAA study to test the effectiveness of highway barriers in reducing sound and atmospheric pollution from major roadways.

Monitoring station used by NOAA's Air Resources Laboratory in study conducted with 15 Jackson State students in monitoring ozone, sulfur dioxide, nitric acid, and particulate matter in the atmosphere.

The field force at Vicksburg, Mississippi Front row left to right - A. B. Nichols and H.E. Wilkinson Back row left to right - G.E. Bolls, J.H. Powell, Charles D. Reed

Dr. Carl Gustav Rossby with a rotating tank Tank used for studies of atmospheric motion

Walter James Bennett, 1879-1952. Walter Bennett began his Weather Bureau career in 1900 near San Francisco, California. He spent the final 17 years of his career as Meteorologist-in-Charge of the Jacksonville, Florida, office until retirement in 1949. His son, Charles E. Bennett, was born in the Weather Burea u office in Canton, NY, and served 44 years as a Florida Congressman.

Unidentified personnel happy with the results of the day's weather map

Unidentified office personnel hard at work

Wilson Bentley, the snowflake man, shown with his camera apparatus for photographing snowflakes. Mr. Bentley was a Vermont farmer who photographed snowflakes as a hobby.

Mr. William C. Harris, cooperative observer at Dover, New Jersey, since March 1, 1885, photographed in November 1935. Mr. Harris was 72 years old. In: "Monthly Weather Review," November 1935, p. 314.

Mr. Elwood Kirkwood, cooperative observer at Mauzy, Indiana, since January 1, 1881, photographed in November 1935. Mr. Kirkwood was 78 years old. In: "Monthly Weather Review," November 1935, p. 314.

Mr. Edward L. Redfern, cooperative observer at Taunton, Massachusetts, since June 17, 1885, photographed in November 1935. Mr. Redfern was 86 years old. In: "Monthly Weather Review," November 1935, p. 314.

Miss Annette Koch, cooperative observer at Pearlington, Mississippi, since early 1890's, photographed in November 1935. In keeping with chivalry, no mention of Miss Koch's age. In: "Monthly Weather Review," November 1935, p. 314.

Miss Louisa B. Knapp, cooperative observer at Plymouth, Massachusetts, for 49 years, photographed in November 1935. In keeping with chivalry, no mention of Miss Knapp's age. In: "Monthly Weather Review," November 1935, p. 314.