The Year Without a Summer and Mount Tambora

Volcanic Eruption and Sunspots Bring Snow, Sleet, and Frost

Year without a summer-brocken-inaglory-wikimedia commons

In the summer of 1816, the sun was often darkened by haze.

Photo by Brocken Inaglory, via Wikimedia Commons

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This year we celebrate the 200th anniversary of The Great Cold Summer of 1816, which will long be remembered and was caused by a massive volcanic eruption. Even now, this year is spoken of as “1816 and near froze to death”—or The Year Without a Summer.

What Caused 1816’s Cold Summer?

Nobody, apparently, had an immediate answer, but many had conjectured causes, including the positions of the planets, the distance between Earth and the Moon, and sunspots.

Earth was experiencing the concluding decades of the Little Ice Age, with a period of relatively low solar activity from 1790 to 1830 known as the Dalton Minimum. May 1816, in particular, had the lowest sunspot number (0.1) to date since record-keeping on solar activity had begun. As you may know, we at The Old Farmer’s Almanac use solar activity as the driver of our long-range weather forecasts, and one factor we have found is that periods of low activity are associated with colder temperatures, averaged across Earth.

But it was not only solar activity that contributed to the summerless year.

The volcanic eruption of Mt. Tambora, a 13,000-foot-high volcano on the island of Sumbawa, near Bali, in the East Indies was a major cause of the Year Without a Summer. This happened in April of 1815 and was one of the greatest volcanic eruptions in history. Its toll: perhaps as many as 90,000 lives. 

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Photo Credit: University of Arizona. Mount Tambora in Indonesia erupted in 1815, which had catastrophic effects globally.

It also ejected immense amounts of volcanic ash into the upper atmosphere, where the jet stream carried it around the world. The volcanic dust covered Earth like a great cosmic umbrella, dimming the Sun’s effectiveness during the whole cold year. This resulted in a further reduction in solar irradiance, which brought record cold to much of the world during the following summer. Such an eruption would explain the appearance of the 1816 Sun as “in a cloud of smoke.”

To which must be added the speculation surrounding a complete eclipse of the Sun on May 26, 1816, and of the Moon on June 9 and the “greater number of conjunctions of the planets than usual,” which would favor, wrote Robert B. Thomas, editor of this Almanac, “old maids and bachelors.” 

He, according to an apocryphal story that goes back to as early as 1846, had predicted for July 13, 1816, “Rain, Hail, and Snow”—all three of which, greatly to his amazement, did fall on this day.

The unusual cold played havoc with agricultural production in many parts of the world, directly or indirectly creating crop failures, dramatic increases in food prices, famines, cultural disruptions, and epidemics of cholera and other diseases. There were major weather events across the United States (which numbered 18 states at the time, with Vermont, Kentucky, Tennessee, Ohio, and Louisiana having been added to the original 13).

Wild Weather Events in Summer 1816

  • May frosts killed off most crops in upstate New York and the higher elevations of Massachusetts, New Hampshire, and Vermont.
  • On June 6, snow fell in Albany, New York, and Dennysville, Maine.
  • In Cape May, New Jersey, frost was reported five nights in a row in late June, causing extensive crop damage.
  • Lake and river ice was observed as far south as northwestern Pennsylvania in July, with frost reported as far south as Virginia on August 20 and 21.
  • Rapid, dramatic temperature changes occurred frequently, as temperatures sometimes went from above-normal summer levels to near freezing within hours. U.S. grain prices at least quadrupled, and oat prices increased almost eightfold.
  • Elsewhere around the world, famine, riots, arson, and looting occurred in many European cities, while China suffered from massive crop failures and disastrous floods, and a disruption in the Indian summer monsoon spread a cholera outbreak from a region near the River Ganges all the way to Moscow.

Ice Storms in July

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Among the hardest hit were the people of New England. All through July, heavy frosts and occasional ice storms were commonly seen. Most people took off their winter clothing, only to have to put it on again. So many young (and old) birds were frozen that but a few were around New England in the following 3 years.

Suicides were not uncommon: Drought, financial panic, and lack of food goaded many to desperation.

In sum, as one anonymous poet put it:

The trees were all leafless, 
the mountains were brown,
The face of the country was scathed with a frown;
And bleak were the hills, 
and the foliage sere
As had never been seen at 
that time of year.

The anniversary of this cold summer should not be passed over without at least a cursory examination of what were thought to have been the causes of the phenomenon.

“The Sun’s rays seemed to be destitute of heat throughout the summer; all nature was clad in a sable hue.” –Albany (N.Y.) Almanac, 1852

“During the entire season, the Sun arose each morning as though in a cloud of smoke, red and rayless, shedding little light or warmth and setting at night as behind a thick cloud of vapor, leaving hardly a trace of its having passed over the face of the Earth.” –American Magazine of History

“What would happen if the Sun should become tired of illuminating this gloomy planet?” –North American Review, 1816

Chilling Tales of the Times

  • At least one Vermont farmer, according to the recollection of his nephew, James Winchester, was frozen to death in the great snowstorm of June 17 of that year: “I was at my uncle’s when he left home to go to the sheep lot, and as he went out the door, he said, jokingly, to his wife: ‘If I am not back in an hour, call the neighbors and start them after me. June is a bad month to get buried in the snow, especially when it gets so near July.’ … Three days later, searchers found him … frozen stiff.”
  • The Rev. Thomas Robbins of East Windsor, Connecticut, kept a diary of this cold year. It tells of a man in Maine freezing to death, of a foot of June snow in the Berkshires, and ice in Massachusetts that would bear the weight of a man. The entire corn crop, except in fields nearby ponds or the ocean, failed. Hailstones beat the blossoms off all fruit trees.
  • Caleb Emery of Lyman, New Hampshire, visited a well in his town that was completely frozen over on the 4th of July—8 feet below the surface of the earth and it remained that way until the 25th. The 120-day drought, which began in August, created fearsome forest fire conditions and led to fires that only the November snows could quell. Sheep froze to death in their pastures. Mackerel had to be introduced as a main course instead of pork and beef.
  • Elisha Clark of China, Maine, according to his granddaughter, Nellie Clark Strong of Somerville, Massachusetts, often picked Baltimore orioles off the branches of orchard trees in the cold summer and brought them into the house to warm them up.

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Cultural Effects of “The Year Without a Summer” 

  • The lack of oats to feed the horses likely inspired the German inventor Karl Drais to research new ways of horseless transportation, which led to his invention of the ancestor of the bicycle.
  • Many Americans left New England for the Midwest, accelerating the westward movement of the American people. Vermont alone had as many as 15,000 people emigrate, including the family of Joseph Smith, which moved from Norwich, Vermont, to Palmyra, New York. This move may have made possible the publication of the Book of Mormon and the founding of the Church of Jesus Christ of Latter-day Saints.
  • In June 1816, Mary Shelley was forced by the weather to spend her Swiss holiday indoors with her literary companions, where to pass the time they decided to have a contest to see who could write the scariest story. The result was the novel Frankenstein; or, The Modern Prometheus.

Find out more weather history from your own hometown, click here. The Year Without a Summer was far from the only time when weather determined livelihoods and changed the course of history, so explore the other occasions here.

Author: 

Michael Steinberg

Source: 

Some of this content was excerpted from The 1966 Old Farmer's Almanac.

Reader Comments

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I don't want 2017 to be like another 1816.

Here we are almost to April 2017, but still no warm temperatures that you enjoy in Spring (60°F, or above), is still not in sight. We still have these same temperatures, you typically get in December, January, or February, which is way below that (difference of 10°, 20°, or even 40° below normal). There is still no sign of that in late February, or early part of March this year, that this a time when Spring should arrive. The cold arctic air where we get that cold wintery weather from takes away that warm air that we need for Spring, and it even wipes it out.
The government should do something soon in the future, so people can enjoy those spring or Summer temperatures, by reducing global warming, or global cooling that is causing these everlasting winter seasons, by creating artifical sea ice in the Arctic, that could produce these warmer temperatures that people enjoy during Spring or Summer, to protect people who live in the Northeastern U.S. from these snowstorms, where they mostly occur during occur.

typo?

He, according to an apocryphal story that goes back to as early as 1846, had predicted for July 13, 1816, “Rain, Hail, and Snow”—all three of which, greatly to his amazement, did fall on this day....I guess this should have read 1746?

Hi, Geni- Thanks for your

Hi, Geni- Thanks for your question. The prediction for 1816, though recognized at the time as being wondrous, really didn’t become legendary until 1846 when people started to talk about it and spread the story.

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