Cleveland Abbe: "Ol' Probabilities" of the US Weather Bureau
Although Cleveland Abbe began his professional career studying the stars he soon became
America's first, and best known, weather forecaster. Many consider him the true father of the
US Weather Bureau where he spent his long career as meteorologist-in-charge from its
establishment until his death in 1916 at the age of 78. Even Mark Twain called him "Old
Probabilities" in recognition of his fame as a weather prognosticator.
Abbe was born December 3, 1838 in New York City, the eldest of seven children of George
Waldo Abbe, a merchant, and Charlotte Colgate. Of his youth, he recalled shortly before his
death: "My boyhood life in New York City has impressed me with the popular ignorance and
also with the great need of something better than local lore and weather proverbs."
Abbe further remembered:
"The popular articles in the New York daily papers by Merriam, Espy, Joseph Henry and others
-- notably Redfield and Loomis -- had by 1857 convinced me that man could and must overcome
our ignorance of the destructive winds and rains. It was in the summer of 1857 that I read the
beginning of the classic article by William Ferrel in the MATHEMATICAL MONTHLY. I
realized that he had overcome many of the hidden difficulties of the theories of storms and
winds. From that day he was my guide and authority."
Upon graduating in 1857 with a bachelor's degree (adding a master's degree in 1860) from the
Free Academy (now the College of the City of New York), Abbe taught at Trinity Grammar
School in New York from 1857 to 1858. Abbe then moved to teach at Michigan State
Agricultural College and the University of Michigan from 1859 to 1860.
While in Ann Arbor, Michigan he studied astronomy with the German astronomer Franz
Brunnow. Rejected for military service because of myopia, Abbe spent the Civil War years
computing telegraphic longitudes for the US Coast Survey at Cambridge, Massachusetts under
Benjamin Gould. While at Ann Arbor and Cambridge, he became " impressed with the
unsatisfactory state of our knowledge of atmospheric refraction."
Cleveland crossed the Atlantic in 1865 to further his studies in Russia, where he spent two years
as a student and assistant at the Nicholas Central Observatory at Pulkova under the distinguished
astronomer Otto Struve. His work there seemed to justify his conclusion that "astronomer who
would improve their meridional measurements must investigate their local atmospheric
conditions more thoroughly, and to this end must have numerous surrounding meteorological
observations."
On returning to the United States, Abbe was briefly associated with the US Naval Observatory
and then ascended to the directorship of the Cincinnati Observatory where his work soon
established a landmark in the history of meteorology. There in 1868, with the assistance of the
Cincinnati Chamber of Commerce and the Western Union Telegraph Company, Abbe organized
a telegraphic system to collect regular weather observations and reports in order to eventually
produce and distribute daily weather maps and forecasts to serve the commercial and
agricultural interests of the Ohio Valley.
On October 29, 1868, Abbe wrote Joseph Henry of the Smithsonian Institute:
"We shall soon have a Meteorological Observatory in this city furnished with NY recording
instruments and shall publish a daily Weather Bulletin compiled from telegraphic dispatches &
covering the greater part of the Ohio Valley...I should be glad to see this Bulletin extend its field
to cover the whole of the United States E of the Rocky Mts."
On May 7, 1869, Abbe proposed to the Cincinnati Chamber of Commerce "to inaugurate such a
system, by publishing in the daily papers, a weather bulletin, which shall give the probable state
of the weather and river for Cincinnati and vicinity one or two days in advance." Later that
summer, Abbe formally invited the Chicago Board of Trade to join in extending the Cincinnati
system to the Great Lakes, but the invitation was declined.
Cleveland Abbe released the first official, public weather forecast on September 22, 1869. With a sense of history, he wrote his father; "I have started that which the country will not willingly let die."
He quickly wrote a short note to the New York Times telling them how useful the service could
be to their shipping. On September 3, 1869, he offered a daily telegram by the French cable to Le
Verrier, founder of the Bulletin Hebdomadaire De L'association Scientifique, who, Abbe felt,
"could fully sympathize with my hopes and plans."
"The atmosphere is much too near for dreams. It forces us to action. It is close to us. We are in it and of it. It rouses us both to study and to do. We must know its moods and also its motive forces."
-- Prof. Cleveland Abbe
Indeed, his pioneer work was the strongest argument for the establishment of a national weather
service, a project soon urged upon Congress by Dr Increase A. Lapham, Smithsonian weather
observer in Milwaukee, and others. A Joint Resolution of Congress, introduced in 1869 by
Congressman H. E. Paine of Wisconsin, established a national weather warning service under
the Signal Corps of the Army, which President U.S. Grant signed into law on February 9, 1870.
The resolution, provided for "taking meteorological observations at the military stations in the
interior of the continent, and at other points in the States and Territories of the United States,
and for giving notice on the Northern Lakes and the seacoast by magnetic telegraph and marine
signals of the approach and force of storms."
In January, 1871, the Chief Signal Officer General Albert J. Myer appointed Cleveland Abbe
professor of meteorology, a civilian assistant in the office of the Chief Signal Officer, making
Abbe one of the nation's highest paid scientists at the time. His initial salary of $3,000 increased
to $4500 the following year.
Colleague T.C. Mendenhall would later write in memorial:
"At that time he [Abbe] was the only man in the country having experience in or knowledge of
weather forecasting for the use of the public based upon the principles of scientific meteorology,
and for some time the duty of tri-daily interpreting the meteorological observations made in all
parts of the country devolved upon him alone."
Within the Signal Corps, Abbe organized the forecast division and soon began preparing those
three-a-day synopses and "probabilities" of the weather, as weather forecasts were then. Abbe later recalled:
"After a month's practise it was decided that my forecast would evidently more than fill the
popular expectations, and tri-daily publications began at once. The term 'probabilities' then
became official, as it had begun in October, 1869, and in those days it was appropriate; but we
have long since substituted the word 'forecast.'"
On February 19, 1871, Abbe issued the first public Weather Synopsis and Probabilities based on
observations taken at 7:35 a.m. An early example reports:
"Synopsis for past twenty-four hours; the barometric pressure had diminished in the southern
and Gulf states this morning; it has remained nearly stationary on the Lakes. A decided
diminution has appeared unannounced in Missouri accompanied with a rapid rise in the
thermometer which is felt as far east as Cincinnati; the barometer in Missouri is about
four-tenths of an inch lower than on Erie and on the Gulf. Fresh north and west winds are
prevailing in the north; southerly winds in the south. Probabilities; it is probable that the low
pressure in Missouri will make itself felt decidedly tomorrow with northerly winds and clouds
on the Lakes, and brisk southerly winds on the Gulf."
The demands of the new agency required a trained corps familiar with observational, theoretical,
and operational meteorology. To educate its officers, Abbe, established meteorological training
classes at local weather offices supplemented with educational notes provided by experts from
around the country. In 1885-86 at Fort Myer in Arlington, Virginia, a class of select officers
attended an extensive course of lectures and instruction: the theory of instruments, chartography,
general meteorology, thermodynamics of the atmosphere, taught by Abbe; theoretical
meteorology without mathematics taught by William Ferrel; practical meteorology and weather
predictions, topographic surveying and drawing taught by H.H. Dunwoody; and electricity and
laboratory manipulation taught by T.C. Mendenhall.
In 1873, Abbe inaugurated the Monthly Weather Review, then only a brief bulletin of current
weather statistics but which twenty years as an enlarged publication soon became one of the
leading meteorological journals of the world under his editorship. He was a voluminous
contributor to scientific journals and reference books as well as to official Weather Bureau
publications until his death, mostly synthesizing or translating the meteorological research of
others.
"Old Probabilities has a mighty reputation for accurate prophecy, and thoroughly well deserves it. You take up the paper and observe how crisply and confidently he checks off what today's weather is going to be on the Pacific, down South, in the Middle States, in the Wisconsin region. See him sail along in the joy and pride of his power till he gets to New England, and then see his tail drop. He doesn't know what the weather is going to be in New England. "
-- Mark Twain, 1876
At the urging of US Chief Signal Officer General Myer (under advice from Abbe), the 1873
International Meteorological Congress in Vienna established the Daily Bulletin of Simultaneous
International Meteorological Observations. Professor Abbe took a lead in organizing this
remarkable enterprise of international cooperation, a venue which remained one of his chief
interests and advocacy throughout his career. As well, he was instrumental in organizing the
State Weather Services, predecessors of the present-day American climatological services.
Needing the weather observations collected uniformly in time across the nation, Abbe divided
the United States into four standard time zones, eventually convincing the railroads in 1883 to
adopt the four time-zone system used today.
While a brilliant organizer of data collection and dissemination with wide vision, Abbe
nevertheless saw the importance of meteorological research and organized a branch of the
Central Weather Office -- known at first informally, and later officially, as the "study room" -- in
which many successful scientific investigations were carried out. He would later expound on the
need for continuing research:
"True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it
never adopts the hypotheses as though they were demonstrated propositions. There should be no
mystery in our use of the word science; it means knowledge, not theory nor speculation; nor
hypothesis, but hard facts, and the framework of laws to which they belong; the observed
phenomena of meteorology and the well-established laws of physics are the two extremes of the
science of meteorology between which we trace the connection of cause and effect; insofar as
we can do this successfully, meteorology becomes an exact deductive science."
As early as 1876, Abbe tried to establish meteorology's place in academia, petitioning
universities with proposals for a curriculum that would provide baccalaureate and advanced
degrees in the subject; however, the first college departments of meteorology would not be
established until the 1930s. Abbe held an adjunct professorship of meteorology beginning in
1884 at Columbian (now George Washington) University where he supervised the training of
Weather Service personnel, and he was a frequent lecturer at Johns Hopkins University. In fact,
Abbe offered his extensive library of meteorological literature in exchange for a commitment by
Johns Hopkins University for a course of instruction and research in meteorology. Although the
library found its home there, Abbe was never satisfied with the level of commitment to
meteorological education.
His scientific achievements were recognized by many learned societies including the Royal
Meteorological Society who in 1912 through its Symons Memorial Gold Medal, cited Professor
Abbe "has contributed to instrumental, statistical, dynamical, and thermodynamical
meteorology, and forecasting," and "has, moreover, played throughout the part not only of an
active contributor, but also of a leader who drew others into the battle and pointed out paths
along which attacks might be successful."
Abbe became popularly known as "Old Probs" or "Old Probabilities" across America. Abbe
later remembered the event, when he was in his early 30s, from which the moniker arose:
"This bulletin [the first number of the Cincinnati Weather Bulletin issued on September 1,
1869], in my own handwriting, was posted prominently in the hall of the Chamber, but
unfortunately I had misspelled 'Tuesday', and I soon found below my probabilities the following
humorous lines by Mr. Davis, the well-known packer: 'A bad spell of weather for 'Old Probs.'
This established my future very popular name of 'Old Probs.'"
As the years passed, the name became more and more appropriate as he became the patriarch of American weather. Although he remained with the US Weather Bureau until his death in 1916, the infirmities of advancing years prevented Abbe from taking a fully active part in the work of the Bureau in his final years.
Abbe was married to Frances Martha Neal in 1870, and they had three sons. Frances died in
1908, and he married Margaret Augusta Percival in 1909. He died at his home in Chevy Chase,
Maryland in the early morning hours of October 28, 1916 at age 78.
Announcing his death, the Weather Bureau statement read:
"Professor Abbe's life was one of unusual simplicity and devotion to science, especially to meteorology and climatology...Gentleness and kindness reached their heights with him and, aside from his world-wide recognition as a meteorologist, he will be remembered always as a man that was universally loved. "
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