Solar activity has decreased to very low levels. Region 4266exhibited signs of slight development as it gained asymmetricpenumbra surrounding its...
Weather
Updated Wednesday, October 29, 2025 @ 5 AM EDT Hurricane Melissa is moving over Eastern Cuba after making landfall late...
Updated Monday, October 27, 2025 @ 9 AM EDT (1300 UTC) ARRL thanks Carlos Alberto Santamaría González, CO2JC, for information...
All eyes and ears are on Tropical Storm Melissa, now in the Caribbean Sea. As of 11:00 AM EDT on...
Researchers from four universities, including New Jersey Institute of Technology, are expanding a network of ham radio operators in North...
Region AR4246 underwent significant evolution, growing in overall size while gaining multiple new spots. Subsequently, AR4246 was the main provider...
Solar activity has been at moderate levels for the past 24 hours. Solaractivity is expected to be low with a...
Solar activity, which has been at low levels, has returned tomoderate levels. Region AR4232 produced the largest event of theperiod,...
When reported on NOAA’s statement that many of its polar birds were no longer recommended for use, he mentioned that...
Solar activity reached moderate levels this past week. An impulsiveM1.0 flare was observed on September 24 from Region AR4217. Slightgrowth...
When wildfires tore through parts of Altadena and the Palisades in January, many amateur radio operators lost more than their homes....
Solar activity was at low levels this past week. Low-level C-classflaring was observed from Regions AR4216 and AR4217, as well...
Amateur radio volunteers serving in the ARRL Amateur Radio Emergency Service® (ARES®) and the National Weather Service SKYWARN® program were...
Solar activity has been at very low to low levels this past week. Low level C-class flaring was observed from Regions...
The Atlantic hurricane season officially began on June 1st. But the latest reports about Hurricane Erin have now reminded all...
As the world adjusts to a new era of rising temperatures and more severe weather-related disasters, governments across Canada have been...
This Labor Day weekend, the Hurricane Watch Net (HWN) celebrates its 60th anniversary of providing critical communications support to the...
Solar activity was at low levels on 18, 20, and 21 August with only C-class flares observed. Activity increased to...
On August 22, Spaceweather.com reports a fast-moving Coronal MassEjection, or CME, left the Sun on August 21. However, it is...
The 2025 hurricane season has been underway for almost two months and there has activity on the both the Atlantic...
Solar activity has been at low levels with mostly weak C-class flares observed from Regions 4172 and 4180. The largest...
Solar activity was at low levels on 28 July to 02 August and moderate levels on 03 August. The largest...
Lightning is a powerful force, one seemingly capable of great destruction in the right circumstances. It announces itself with a...
For as mysterious, fascinating, and beautiful as lightning is at a distance, it’s not exactly a peaceful phenomenon up close....
Solar activity was at low levels. The largest flare was a C7.6 from Region 4136. C-class activity was also observed...
