Average daily sunspot number plummeted to 104.4. Weekly Commentary on the Sun, the Magnetosphere, and the Earth's Ionosphere for December...
Weather
Solar activity seems to have dropped dramatically from a recent peak. Are we over the cycle peak and headed down...
ARRL Headquarters was closed on November 29. So, this regular Fridaybulletin was moved to the following Monday (12/2). Solar activity...
SKYWARNTM Recognition Day is December 7, 2024. The annual event is celebrating its 25th anniversary. SRD was established in 1999...
Solar activity was lower this reporting week, November 14-20, withthe average daily sunspot number down from 141.6 to 99.3, and...
The National Weather Service (NWS) will be hosting our annual SKYWARN Recognition Day on Saturday, December 7th. The La Crosse NWS office...
Sometimes, it’s nice to know how windy it is outside. Knowing the direction of the wind can be a plus,...
Only five new sunspot groups emerged this week. First was onNovember 7, next on November 9, two more on November...
A rare November hurricane made landfall in western Cuba as a Category 3 storm Wednesday and continued to move slowly...
Tuesday, November 5, 2024, 11:00 AM Eastern Update: The following information is from the Hurricane Watch Net: The Hurricane Watch...
Solar activity increased this week. Average daily sunspot number went from 127.7 to 197.4 and average solar flux from 170.5...
In a joint statement on Oct. 15th, NASA and NOAA announced that Solar Maximum is underway. If you saw last...
An old form of communication is vital in hurricane recovery efforts as amateur radio operators across North Carolina and Florida...
Saturday, October 19, 2024 8:00 PM Eastern Update: The following information was received from The Hurricane Watch Net: The Hurricane...
Average daily sunspot numbers changed from 160 to 129.3 and averagedaily solar flux from 261.3 to 194.3. Geomagnetic numbers werehigher,...
Thanks to Carl, K9LA for contributing to this week's bulletin. "SUBJ: ASWFC GEOMAGNETIC DISTURBANCE WARNING ISSUED AT 2220 UTC/10 OCTOBER...
Volunteer amateur radio operators have played a crucial role in communications in the wake of Hurricane Helene, and now Hurricane...
What a difference a week makes when it comes to HF propagation! This last week has been characterised by solar...
Hello to all.. **The VoIP Hurricane Net will activate at 1 PM EDT Wednesday Afternoon through Early Thursday Afternoon for...
The morning after Hurricane Helene pummeled the eastern seaboard of the US, Thomas Witherspoon inspected the damage to his western...
Broadcasters are launching emergency operations as Hurricane Milton continues course for Florida’s west-central Gulf Coast. National weather forecasts show the storm making...
The aftermath seen from hurricane Helene across five states left people without power and cell service. There are communities still...
Sunday, October 6, 2024 9:00 PM Eastern Update: Hurricane Milton was located just over 300 miles west-northeast of Progreso, Mexico,...
All September, the ARRL® Amateur Radio Emergency Service® (ARES®) has been promoting readiness and resilience for National Preparedness Month. As...
With hundreds of people still missing in Western North Carolina and little communication from those hard-hit areas, people here in...
