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A new tool is helping us better understand how hail forms and falls 🧊☁️ — aiming for improved forecasts to protect people, homes, and property 🏠⚠️ 🎥 Full video: youtube.com/watch?v=kFOhAT… PS:👀 with an assist from 🥎Oklahoma Softball + ⚾Oklahoma Baseball! NOAA NOAA Research

[Dangerous Heat & Humidity Expected Next Week] There is high confidence in several days of dangerous heat and humidity in the Mon through Wed time frame of next week. We will have more specific details later in the week, but the potential for Heat Indices of 100-105+ will exist.

The northern lights dance across the sky over the glacial lakes of Voyageurs National Park in Minnesota, one of the darkest places in the contiguous United States. These vivid displays can appear year-round, even in summer. Photo by Sam Brueggeman

Featured manatee item: Candy Pop and Plush Manatee shop.savethemanatee.org/products/candy… Meet the tiny but adorable plush manatee toy that will capture your heart! But what makes this little manatee toy even more special is that it's hugging a lollipop!

It's official! As of 2 PM, the Philadelphia Int'l Airport has reached 100° for the first time in 13 years, when the high was 100° on July 18, 2012. This breaks the daily record high temperature of 99° set in 1923, & is the first 100° temperature to occur in June since 1994. #PAwx

Another completely inexplicable decision by the current administration. This has a direct ripple effect on not just observations but all modeling we use to forecast hurricanes. This will directly degrade hurricane forecasts, full stop.

Aside from waves on the water, we can get visible waves in our atmosphere called Kevin-Helmholtz clouds. When the air’s upper layer winds move at faster speeds than the layer below it, it can cause the cloud tops to spill over like that of a breaking wave. #flwx

A timelapse showing 30 minutes worth of clouds flowing over Mt Adams and then Mt Washington after sunrise this morning (22 July 2025). #NHwx #NH #mountains #capcloud #timelapse

A wild scene on BLOCK ISLAND right now!

NHC will initiate advisories on Tropical Storm Erin, located in the Eastern Tropical Atlantic, just west of the Cabo Verde Islands, at 1100 AM EDT (1500 UTC).

The #HurricaneHunters are on the move! We sent aircrew to St. Croix to gather vital weather data on Tropical Storm Erin! ✈️⛈️ #MissionReady #hurricanepreparedness

A large portion of the Atlantic coastline will see the risk for high surf and rip currents increase this week due to #Erin. 🟥Risk of Rip Currents is High🟥 Life-threatening rip currents are likely. Swimming conditions are unsafe for all levels of swimmers. Stay out of the

NWS is hiring! Additional top-priority hiring efforts for mission-critical positions have been posted on USAJobs.gov! Openings for Hydrologist positions (1315 series) were posted TODAY. Many of these positions are great opportunities for first-time hires into the NWS.

A fireball was caught by multiple cameras lighting up the night sky in hues of green and blue as it fell in southern Japan on Tuesday. ☄️

Aurora starting to show up in the Catskills

A big migration month! Hummingbird watchers get the feeders out and filled, they are coming south over the next few weeks. They need to fill up on food before the trek across the Gulf to the Yucatán.

Did you need a bouquet of flowers from the American pika? During the late summer, pika will begin to gather mouthfuls of vegetation to build “haystacks” for their winter food supply. Photo by Eivor Kuchta (sharetheexperience)

Wow. This is some of the fastest aurora growth I have seen. Bz sitting as low as -15 nT will allow for impressive mid-latitude horizon displays this evening!

RARE 2% TORNADO RISK IN CALIFORNIA TOMORROW! Isolated tornado threat will exist in the Los Angeles area. Stay weather aware!

The first Severe Thunderstorm Watch for Los Angeles in 17 years! #CAwx