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The 200 years of meteorological observations at Armagh Observatory contain a number of especially interesting records. This section of the website will list a few of these and what comments were recorded for that date.

Night of the Big Wind - 6th January 1839


Archive Entry January 1839 - "a tremendous gale in the night"

January 1999 storm press release

Report by Matthew Patterson, MarketHill High School - PDF

The Big Wind in Co. Mayo

Met Éireann


Possible First Record of Noctilucent Clouds - May 1850


Archive Entry 1st May 1850 - "strange luminous clouds in NW not auroral"

Possible Observations of Noctilucent Clouds by Thomas Romney Robinson


The Carrington Flare - August-September 1859


Archive Entry August 1859 - "powerful aurora"


Archive Entry September 1859 - "strong aurora"

The Sun Kings by Stuart Clark
"September of 1859, the entire Earth was engulfed in a gigantic cloud of seething gas, and a blood-red aurora erupted across the planet from the poles to the tropics. Around the world, telegraph systems crashed, machines burst into flames, and electric shocks rendered operators unconscious. Compasses and other sensitive instruments reeled as if struck by a massive magnetic fist."

A Report by Margery Infield - PDF

1859's "Great Auroral Storm"—the week the Sun touched the earth

The extreme magnetic storm of 1-2 September 1859

Modeling atmospheric effects of the September 1859 solar flare

Solar Superstorm - NASA

The super storms of August/September 1859 and their effects on the telegraph system


The Tunguska Impact - 1st to 4th July 1908


Archive Entry July 1980 - "nocturnal glow"

Photograph and Reports of the Afterglow

Tunguska Afterglow

The Tunguska Home Page

NEO Impact Hazard

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