Tag Archives: Space Weather

Radio propagation may improve soon with region of solar flux

Many thanks to SWLing Post contributor, Mike Hansgen, who shares this latest Space Weather report from Tamitha Skov:

Space Weather jumps into action this week with two weak solar storms en route to Earth. NASA models predict they will hit starting July 9 and they could easily bring aurora to high latitudes, if not mid-latitudes. Amateur radio operators are also in for some fun as a new region rotates into view and brings with it a boost in solar flux, which will help radio propagation just in time for hurricane season. GPS users shouldn’t be affected by the low-level flaring of this region on Earth’s day side, but should stay vigilant near aurora and near the dawn-dusk terminators for glitches in their reception. Low-latitude GPS/GNSS reception might even improve under the influence of these weak solar storms. See details of the coming storms, when this new active region will be in view, catch up on aurora photos, and see what else is in store!

Click here to view on YouTube.

Space Weather: A [big] Hole in the Sun’s Atmosphere

The SWLing Post Blog has recently featured a few posts on “Space Weather” & Geomagnetic Storms. As an amateur astronomer, I receive many daily space-related emails in my INBOX right along with the SWLing Post Daily Digest. I thought this might be of interest:

From Spaceweather.com

An unusually wide hole in the sun’s atmosphere is facing Earth and spewing a stream of solar wind toward our planet. Estimated time of arrival: April 9th. Polar geomagnetic unrest and minor G1-class storms are possible when the gaseous material reaches Earth. Visit Spaceweather.com for more information and updates.

Image credit: NASA’s Solar Dynamics Observatory.

The hole bisects half the solar disk, stretching more than 700,000 km from end to end. This means Earth will be under the influence of the emerging solar wind stream for more than 4 days after it arrives.

A G1-class storm is “Minor”, so I doubt there will be very much “radio” impact – but you gotta admit, a hole that large is interesting nonetheless!

Posted by SWLing Post Contributor Troy Riedel

Vernal equinox ‘cracks’ in Earth’s magnetic field

Credit: NOAA SWPC

(Source: Southgate ARC)

Equinox ‘cracks’ forming in Earth’s magnetic field

The vernal equinox is less than 10 days away. That means one thing: Cracks are opening in Earth’s magnetic field.

The seasonal phenomenon is known as the “Russell-McPherron effect,” named after the researchers who first explained it more than 40 years ago.

These “equinox cracks” are causing geomagnetic activity and bright auroras around the Arctic Circle even without strong solar activity.

Visit today’s edition of Spaceweather.com for the full story.