National Oceanic and Atmospheric Administration

Weekend nor’easter likely to bring damaging winds, coastal flooding

Forecasters at NOAA’s National Weather Service (NWS) are monitoring a powerful nor’easter bringing damaging wind gusts and ...
noaa.gov

NOAA seeks information to support improvements to vessel speed regulations

NOAA’s National Marine Fisheries Service today announced an advance notice of proposed rulemaking requesting information that could help modernize regulations designed to reduce the risk of lethal ...
noaa.gov

Hurricane Erin: When distant storms pose a danger to America’s coastal communities

Although the eye of Hurricane Erin was never closer than about 200 miles from the U.S. East Coast and its center never made landfall, Erin’s effects were still seen along the shoreline and felt by ...
noaa.gov

NOAA updates Texas rainfall frequency values

A NOAA analysis released today finds significantly higher rainfall frequency values in parts of Texas, redefining the amount of rainfall it takes to qualify as a 100-year or 1000-year event. The study ...
noaa.gov

Understanding Climate Normals

NOAA’s 1991-2020 U.S. Climate Normals provide averages for climate variables like temperature and precipitation. This Explainer explores what Climate Normals are, why NOAA produces them, what changes ...
noaa.gov

NOAA’s flood mapping tool now covers nearly 100% of U.S.

NOAA’s National Weather Service announced today that Flood Inundation Mapping (FIM), a revolutionary tool for predicting river flooding, is now available on an experimental basis to nearly 100% of the ...
noaa.gov

Hollings Scholarship student manual

About the student manual This manual should be your primary source of information about your scholarship. It covers everything from your responsibilities as a scholar, to how to select an internship, ...
noaa.gov

#Isaias resources: The latest storm forecasts, maps, imagery and more

One-stop event page for #IsaiasPosted October 7, 2026NOAA's National Weather Service wants you to have the latest, most accurate information on Isaias to keep you informed and safe. Here is a ...
noaa.gov

The December 2021 tornado outbreak, explained

The tornadoes that ripped across the central and southern U.S. late in the evening of December 10, 2021, were notable in many ways. The thunderstorms and tornadoes they produced traveled far — ...
noaa.gov

The deadly and destructive power of water

Most flash floods are caused by slow moving thunderstorms, thunderstorms that move repeatedly over the same area or heavy rains from tropical storms and hurricanes. These floods can develop within ...
noaa.gov

StoryMap: Supply Chains & Damage Claims: Hurricanes and Their Impact

A new StoryMap explores the impacts of hurricanes, as well as the data and tools that NOAA provides before, during, and after a storm.
noaa.gov

What’s the difference between climate and weather?

Worldwide, scientists observe weather conditions at thousands of stations every day of the year. Some observations are made hourly, others just once a day. Over time, these observations allow us to ...