Category: Weather & Tides

Morn, CC0, Comet_Halley_from_London_on_1066-05-06 via Wikimedia Commons

Comet 2022 E3 ZTF closest to Earth February 1 and 2

2/1/2023 - By earthsky.org The great comet hunter Don Machholz originally wrote this article for EarthSky in March 2022. Sadly, Don unexpectedly passed away in August 2022. A great loss to his family and the world! Read and comment on Don’s tribute page here. Recent updates on this article are by Eddie… SEE MORE

DLR German Aerospace Center, CC BY 2.0 , 512px-Earth_from_space_7628218100 via Wikimedia Commons

4 facts you might not know about ozone and the Montreal Protocol

1/27/2023 - By www.noaa.gov January 10, 2023—The Montreal Protocol was adopted 35 years ago and remains a landmark environmental agreement, saving millions of people from cancer and contributing significantly to the protection of Earth’s climate system. Formally known as the “Montreal Protocol on Substances That Deplete the Ozone Layer,” this important U.N.… SEE MORE

Old Man on Moon, Georges Méliès, Public domain, via Wikimedia Commons

Science Explains Why We See an Old Man in the Moon

1/16/2023 - By brown.edu New research shows how the impact that created the Moon’s South Pole–Aitken basin is linked to the stark contrast in composition and appearance between the two sides of the Moon. [caption id="attachment_44460" align="alignnone" width="541"] Moon, NASA, Apollo 16, Public domain, via Wikimedia Commons[/caption] PROVIDENCE, R.I. [Brown University] —… SEE MORE

"Green" Comet. Photo by John Vermette, CC BY-SA 4.0 , via Wikimedia Commons

When and How To See The New “Green” Comet

1/16/2023 - By Farmers Almanac. Newly-discovered Comet ZTF is coming the closest to the Earth in 50,000 years, becoming visible to the naked eye, and making big headlines. Some are calling it a “super rare” and “bright green” comet, but will it live up to the hype? We explain. Comet ZTF Facts… SEE MORE

NOAA surveyors Charles Geoghegan and Benjamin Erickson

A Tale of Two Feet

1/10/2023 - By oceanservice.noaa.gov NOAA, NIST prepare to drop U.S. survey foot and adopt the international survey foot in a move towards more precise positioning. Since 1959, land surveyors and other geospatial professionals have had two standards to measure the length of a foot — the U.S. survey foot and the international… SEE MORE

Taras Bobrovytsky, CC0, via Wikimedia Commons

Researchers reveal add-on benefits of natural defenses against sea-level rise

1/9/2023 - By earth.stanford.edu Researchers modeled how investing in environmental conservation and protection can help San Mateo County adapt to rising seas. The findings provide incentives for policymakers to prioritize nature-based approaches when planning for sea-level rise. [caption id="attachment_44411" align="alignnone" width="682"] Doug Dolde aka Doug Dolde at en.wikipedia, Public domain, via Wikimedia… SEE MORE

What are atmospheric rivers?

1/7/2023 - By noaa.gov Learn more about these rivers in the sky Atmospheric rivers are relatively long, narrow regions in the atmosphere – like rivers in the sky – that transport most of the water vapor outside of the tropics. These columns of vapor move with the weather, carrying an amount of… SEE MORE

Los Angeles River through downtown evening , via Wikimedia Commons

Underprediction of Urban Flood Risks

12/28/2022 - By sustainabilitycommunity.springernature.com Detailed modeling of flood hazards in Los Angeles reveals exposure 10-40 times greater than suggested by federally defined flood zones. Across the U.S., urban flood risks may be similarly underestimated. Managing the growing risks of flooding requires, first and foremost, awareness of them. Our recent study of flood… SEE MORE

Christopher Michel, CC BY 3.0 ,whale via Wikimedia Commons

North Atlantic Right Whale Calving Season 2023

12/27/2022 - By fisheries.noaa.gov We estimate there are fewer than 350 North Atlantic right whales remaining. With so few of these whales left, researchers closely monitor the southeastern United States for new offspring during the annual right whale calving season. Every single female North Atlantic right whale and calf are vital to… SEE MORE

NASA Goddard Space Flight Center from Greenbelt, MD, USA, CC BY 2.0 ,Hurricane via Wikimedia Commons

Five Questions to Help You Understand Hurricanes and Climate Change

12/26/2022 - By nasa.gov The 2022 Atlantic hurricane season has officially started, and NASA scientists are working with partners at NOAA, FEMA and other organizations to help communities prepare for these storms and respond to their aftermath. To gain a better understanding of how hurricanes are intensifying and becoming stronger in the face of… SEE MORE