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On this day in 1870, a Milwaukee scientist named Increase Lapham issued the first US government storm warning for the national weather service.

156 years later, the records keep piling up. See your town’s history with Weather Then.

#WeatherHistory #OnThisDay #NationalWeatherService #WeatherThen
November 8, 2026 at 5:35 PM
On this day in 1812, Napoleon started his disastrous retreat out of Moscow, expecting mild conditions to hold. Instead, the timing aligned with the brutal arrival of “General Winter,” turning a retreat into a legendary meteorological catastrophe. #weatherthen #winter #history
October 19, 2026 at 5:42 PM
On this day, Oct. 2 1858, San Diego was hit by hurricane-force winds from a tropical cyclone just offshore causing nearly $1 billion in today's money worth of damage.

#weatherthen #hurricane #california

https://en.wikipedia.org/wiki/1858_San_Diego_hurricane
October 2, 2026 at 6:24 PM
On this date, the 26th of Sept. in 1936, Denver CO experienced its biggest September snowstorm. From 84 the day before to just 38 on the 26th when the snow began to fall and didn't stop for 3 days.

#weatherthen #denver #snow

https://kdvr.com/weather/denver-biggest-september-snowstorm-1936/
Denver’s biggest September snowstorm on record: A look back
Starting on Sept. 26, 1936, the city saw its biggest snowstorm to hit so early in the season, according to the National Weather Service. See images and film from the storm.
kdvr.com
September 26, 2026 at 10:37 PM
On this night, the 23rd of September in 1846, Neptune was discovered without the aid of calculators or computers. Simply with the power of math and the human mind.

#weatherthen #onthisday #neptune

https://www.nasa.gov/history/175-years-ago-astronomers-discover-neptune-the-eighth-planet/
175 Years Ago: Astronomers Discover Neptune, the Eighth Planet - NASA
On the night of Sept. 23-24, 1846, astronomers discovered Neptune, the eighth planet orbiting around the Sun. The discovery was made based on mathematical
www.nasa.gov
September 23, 2026 at 9:08 PM
126 years ago today a Category 4 hurricane hit Galveston, TX with 130+ mph winds, sending a 15-ft surge over an island only ~8 ft above sea level. It remains the deadliest U.S. natural disaster in history with 8,000–12,000 killed, and over 10,000 left homeless overnight.

#weatherthen #history
September 8, 2026 at 6:25 PM
Welcome to Weather Then

Weather Then: Weather with a Memory is now live for iOS, coming soon for Android devices https://weather-then.com

#weatherthen #weather #history
September 7, 2026 at 9:42 PM