The Hurricane Hunters

by Ivan Ray Tannehill

Brandes knew that the French had set up weather stations and collected observations for maps as early as 1780, but the terrible French Revolution had brought an end to this work and the data were lying in disuse. After some delay, he obtained copies of the observations for 1783 and put them on maps. Sure enough, after he had drawn many daily maps, he saw clearly how the weather moved just as he had suspected it did from the newspaper reports. But at the same time he saw that it was hopeless. The weather moved so rapidly that there was no way of sending the reports ahead fast enough for making predictions of what was coming. The quickest way of sending the reports ahead was by horse or a good man on foot, and the weather would easily outrun them. In 1820, Brandes wrote an article about weather maps for publication and then put his maps and newspapers in the trash. But in time his idea got around the world and as the years passed more and more scientists began drawing maps and trying to predict the weather. And so it came about that the government weather services in different parts of the world were set up to predict storms of higher latitudes rather than hurricanes.

Redfield was mapping storms after 1830, but he was not trying to make weather forecasts. He wanted only to learn about hurricanes in order to give the mariner a law of storms by which he could judge the weather for himself. Nobody worried about the landlubber. It was the idea in those days that a man on land could get his weather out of an almanac or by watching the signs of the winds, clouds, birds, stars, or the rise and fall of the barometer. Scientists who believed that it would be possible to predict the ordinary changes in the weather were decidedly in the minority. One of these was James Pollard Espy, who became known as the “Old Storm King” of America.

James Espy was born in Pennsylvania, in the vicinity of Harrisburg, but his father moved the family to Kentucky while James was an infant. It has been said in biographies of Espy that the boy had no education and was seventeen years old before he learned to read, but this was denied by relatives who survived him. It seems that the elder Espy soon went to the Miami Valley in Ohio, to get established in business, and left James with an older sister in Kentucky. At eighteen James registered at Transylvania University, in Lexington, where he was much interested in science. In any event, at various times he was a schoolteacher in Ohio, Maryland, and Pennsylvania, until he became fully occupied in the study of weather.

In 1820, Espy joined the Franklin Institute, in Philadelphia, to teach languages and work on the weather. In an amazingly short time, he became an authority on meteorology. He was a pleasant, easygoing man, but very persistent in two matters. First, he was determined to have a government bureau established to predict storms; and, second, he disagreed with Redfield in the latter’s whirlwind theory of hurricanes. At times the two carried on a violent controversy in the press. Espy argued that the winds blow directly toward the center of a storm or toward a line through the center. He was right with respect to storms of middle and higher latitudes, as everybody knows today. He anticipated the modern idea of fronts, and he and other scientists of his day sometimes referred to these lines as “like a line of battle.” In a way, Redfield also was right, for the typical hurricane in the tropics has no fronts.

In his efforts to set up a government weather bureau, Espy was successful in a small way. In 1842, he was appointed by Congress for five years as “Meteorologist to the U. S. Government” and assigned to the Surgeon General, where he worked for five years. This rather strange appointment was due to the fact that the Surgeon General had been taking weather observations at Army posts since 1819 and had much data for study.

In the meantime, Espy had visited England and France, where he was received with honor by renowned scientific associations. On returning to the United States, he published a book, The Philosophy of Storms, in 1841. His weather maps and storm reports were now famous and by this time he was widely known as the “Old Storm King.” When his term as “Meteorologist to the U. S. Government” expired, he secured an appointment as meteorologist under the Secretary of the Navy, to work with the Smithsonian Institution, where he made an annual report to the Navy until 1852.

During these years, Espy was continually after Congress to do more about storm hunting. In Washington, he earned the title of the “Half Baked Storm Hunter” and in Congress he was known as the “Old Storm Breeder.” In 1842 he was granted hearings and members of an appropriation committee said that he was a “monomaniac” and his “organ of self-esteem was swollen to the size of a goiter.” They told him that they were not impressed just because “the French had indorsed all his crack-brained schemes.” Espy kept insisting for several years and was looked upon as a nuisance in Congress until he died in 1860, having had very little success in getting the government to do anything about it, except to give him an appointment to study the weather himself.

As it finally worked out, Congress in 1870 established a weather service, to study storms on the Great Lakes and the seacoasts of the United States. This proved to be such a tough job that, for the time being, the hurricane work, which had been neglected during and after the War between the States, was dropped into second place.

The disturbances that kept the government service busy after 1870 are those that begin in higher latitudes and move generally from west to east—the lows of the weather map—called extratropical to distinguish them from hurricanes and other tropical storms. If they were as regular in their shapes and movements as the tropical variety, the forecasting job would be much easier. But the extratropical kind takes odd forms, elongated or in the shape of a trough, sometimes with two or more centers. Their movements are irregular. Rarely does one of them become extremely violent, but there is always danger of it and so the forecasters must always be on the alert.