Sustained radio emissions originating from high over a sunspot are getting researchers thinking in new directions. Unlike solar radio bursts —...
Weather
"GEOMAGNETIC DISTURBANCE WARNING 23/74 ISSUED AT 2321UT/29 NOVEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. "Several CMEs are expected...
Geomagnetic conditions were very quiet last weekend, good conditionsfor the ARRL Phone Sweepstakes. But there was much more geomagneticactivity toward...
The 2023 SKYWARN Recognition Day (SRD) is December 2 from 0000z to 2400z.The event honors all SKYWARN storm spotters and...
"ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2306 UTC 16 NOVEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE."Two recent CMEs...
Between 1870 and Aug. 7 of this year, there have been 338 tornadoes observed across the 40 counties monitored by the National...
Radio Amateurs are providing communication services to and from the affected areas in and around Acapulco, Mexico. On the morning...
"GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2333 UTC on 02 NOVEMBER 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE. "A possible...
Almost $70,000 are on the way to expand and upgrade the Southwest Missouri Regional Skywarn Ham Radio Repeater System. The...
Amateur Radio has been activated to serve during Hurricane Otis. In an e-mail, WX4NHC Amateur Radio Assistant Coordinator Julio Ripoll,...
The numbers looked better during this reporting week, October 5-11. Average daily sunspot numbers rose from 128.6 to 144.1, and...
Solar eclipses can have a noticeable impact on the structure and dynamics of Earth's upper atmosphere—the ionosphere. This is primarily...
Hurricane Lee is expected to impact portions of New England in the Northeastern United States and Nova Scotia and New...
RAC President Phil McBride, VA3QR RAC President Phil McBride, VA3QR: As we weather the storms that Mother Nature is throwing...
At 0046 UTC on September 8, the Australian Space Weather Forecasting Centre issued this alert: "A solar filament erupted from...
First, this alert from Australia. "ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 0706UTC/31 AUGUST 2023 BY THE AUSTRALIAN SPACE WEATHER FORECASTING...
Volunteers of ARRL The National Association for Amateur Radio® were using their Amateur Radio Service license privileges to serve communities...
A long duration M1.2 solar flare took place around departing sunspot region 3413 yesterday which peaked around 03:52 UTC. This...
Volunteers of ARRL The National Association for Amateur Radio® are activating ahead of Tropical Storm Idalia. The storm, which is...
Five new sunspot groups emerged this week, one on August 17, another August 18, two more on August 21 and...
Amateur Radio operators activated on Sunday, August 20, 2023 to provide communications and information for Tropical Storm Hilary. As of...
Two new sunspot groups appeared on August 3, three more on August 7, and another on August 9. But solar...
Two massive X-class solar flares released over the past few days have caused radio blackouts across the Pacific Ocean. The...
The Australian Space Weather Forecasting Centre issued a geomagnetic disturbance warning at 0233 UTC on August 3. "Two recent coronal...
Average daily sunspot numbers declined slightly over the past week (July 20-26) to 128.1, compared to 130.6 over the previous...