AMS Weather Band Open for Membership
Join a global community of weather enthusiasts today, for just $28/year.
Join a global community of weather enthusiasts today, for just $28/year.
The AMS is a global community committed to advancing weather, water, and climate science and service.
We advance understanding through high-impact, peer-reviewed scientific publications—including the Bulletin of the American Meteorological Society (BAMS).
We bring together atmospheric scientists, professionals, students, authors, educators, researchers, and weather enthusiasts from around the world to share and collaborate.
We offer certification programs, online learning, and other professional development opportunities so that our members can learn, grow, and succeed.
We help educators and policy-makers bring the very latest weather, water, and climate science to bear on our nation’s future… and the world’s.
I first joined the AMS as a graduate student, and it has been an integral part of my identity as a meteorologist ever since. I can't imagine my scientific career journey without the AMS as a core component.
Join a vibrant community of almost 12,000 professionals, students, and enthusiasts who share knowledge, improve technology, and disseminate science to ensure that our planet can thrive.
The name given to the foehn in western North America, especially on the plains to the lee or eastern side of the Rocky Mountains in the United States and Canada.
On the eastern slopes of the Rocky Mountains the chinook generally blows from the west or southwest, although the direction may be modified by topography. Often the chinook begins to blow at the surface as an arctic front retreats to the east, producing dramatic temperature rises. Jumps of 10°–20°C can occur in 15 minutes, and at Havre, Montana, a jump from -12° to +5°C in 3 minutes was recorded.
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