Potential Amped Up Auroras This Week in our Skies

aurora

 

As it stands now, the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center is forecasting a possible G1 (minor) geomagnetic storm for Oct 13 and 14.

 

A geomagnetic storm is a major disturbance of Earth’s magnetosphere that occurs when there is a very efficient exchange of energy from the solar wind into the space environment surrounding Earth. These storms result from variations in the solar wind that produces major changes in the currents, plasmas, and fields in Earth’s magnetosphere. The solar wind conditions that are effective for creating geomagnetic storms are sustained (for several to many hours) periods of high-speed solar wind, and most importantly, a southward directed solar wind magnetic field (opposite the direction of Earth’s field) at the dayside of the magnetosphere. This condition is effective for transferring energy from the solar wind into Earth’s magnetosphere.

 

The largest storms that result from these conditions are associated with solar coronal mass ejections (CMEs) where a billion tons or so of plasma from the sun, with its embedded magnetic field, arrives at Earth.

 

This string of space weather occurrences this week may lead to some beautiful aurora displays.

 

g1_watch-13-14oct16

 

Source: http://www.swpc.noaa.gov/phenomena/geomagnetic-storms

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3 Day Forcast

partlycloudyMonday
Partly to mostly cloudy. High 3C. Winds NNW at 10 to 15 km/h.
POP:20
chancerainTuesday
Overcast with rain showers at times. High around 10C. Winds SE at 10 to 15 km/h. Chance of rain 40%.
POP:30

snowTuesday
Morning light rain followed by a mix of rain and snow in the afternoon. Morning high of 8C with temps falling to 1 to 3. Winds NW at 15 to 25 km/h. Chance of rain 80%. Snow accumulations less than 2cm.
POP:80