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See you on the dark side of the Sun.

This is pretty cool- CLaSP professor Justin Kasper is going to be featured in an upcoming Discovery Channel documentary called “The Dark Side of the Sun“.  The program will discuss space weather effects and how we learn about the Sun.  It will include extensive discussion on an upcoming mission, Solar Probe Plus, which will get closer to the sun than any previous mission.  It’s always exciting to see CLaSP researchers in the limelight for their work!


GPS as a Space Weather Monitor

GPS satellite orbits around the Earth.  Each satellite has a radiation sensor that can be used to learn more about the radiation belts.
GPS satellite orbits around the Earth. Each satellite has a radiation sensor that can be used to learn more about the radiation belts.

Big space weather news this week: measurements of the “radiation belts” made by the Global Positioning System satellites are now available to space weather researchers.  This is a huge deal for several reasons, but let’s start by unpacking that sentence:

Continue reading “GPS as a Space Weather Monitor”


New Breakthroughs in Space Weather Prediction at Michigan

A simulated (left) vs. observed (right) CME as seen from near-Earth.  CLaSP's EEGL model is successfully reproducing key features of observations.
A simulated (left) vs. observed (right) CME as seen from near-Earth. CLaSP’s EEGL model is successfully reproducing key features of observations.

One of the ongoing research projects here at the University of Michigan’s Climate and Space department is computer simulations of eruptive events from the solar atmosphere into the solar system.  “Eruptive events” are explosions of material (mostly super-hot hydrogen gas) and magnetic fields into space.  The atmosphere of the sun is locked in a delicate balance between gravity, which holds the atmosphere down, and the expansive force of the super-hot atmosphere, which pushes it away.  On top of this are complicated magnetic and electric forces.  When the balance breaks down, you get an explosion of material into space.  These are known as “coronal mass ejections”, or CMEs.  Simulating these events is incredibly difficult because the physics behind CMEs is only tenuously understood.

Here at CLaSP, scientists have had a breakthrough with their new EEGGL model- the Eruptive Event Generator: Gibson-Lowe model.  This model has had great success in reproducing solar storm observations, which is the first step towards prediction of these storms before they arrive at Earth.  NASA has recently highlighted this new science, so be sure to give that article a read.  


Space Weather at AGU’s Fall Meeting

Ooooh!  Pretty.
San Francisco’s beautiful commercial district skyline, as viewed from Union Square at night in December.

There are a few reasons for the recent dearth of posts here, but prominently,

  1. The weather in space has been especially boring as of recent,
  2. The end of each year is marked by the American Geophysical Union’s Fall meeting.

The latter, known colloquially as “the AGU meeting” by frequent attendees, is an annual gathering of more than 20,000 scientists, spanning many specialties, at San Francisco’s Moscone Center.  At this meeting, there are thousands of presentations, talks, discussions, and meetings.  It occurs every December and has a penchant for consuming participants- both during and well before the event itself.  This is because it requires a great amount preparation before and endurance throughout: you will run from session to session, talk to talk, poster to poster, meeting to meeting, from very early to very late.  It is an extremely important week where your colleagues, competitors, funders, and managers will all be present, so you must be “on” at all times.

This year’s AGU meeting saw a huge increase in sessions dedicated to space weather, with some very exciting talks and discussions.   Continue reading “Space Weather at AGU’s Fall Meeting”


Another Storm Watch!

Here we go again! NOAA SWPC has issued another storm watch for a G3 level geomagnetic event.  Right now, we’re already at G2 level.  My guess is that we’ll hit G3 if the interplanetary magnetic field turns southward, so keep an eye on the real-time solar wind conditions.  Because the storm has already started, I doubt that this will drive any visible aurora over the United States- by the time nightfall hits, the storm will have subsided again.  But keep your eyes peeled just in case.

Check out my previous storm watch post for an idea of what values to watch as the storm progresses.


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