July 18, 2024
Let’s go over some easy and simple information that will help you chase the Aurora in Washington this summer! In Washington we most likely need a G2 or G3 storm.
I caught it by accident during Labor Day weekend 2022. It was my first time shooting the Northern lights, and I learned quite a bit.
Now we are seeing activity AND clear skies so it is time to go over some basics to the chase!
Solar wind – electrified particles and gases erupt from the sun. Typical solar wind speed is 300 kilometers per second; anything over that is going to be a higher speed
BT—The total strength of the IMF should be high. The IMF is the interplanetary magnetic field, which is how the charge particles interact with the earth’s magnetic field.
BZ component of the sun’s magnetic field needs to be negative, or some people might refer to it as Southward. The earth’s magnetic field is positive. We want a negative BA because, ya know, opposites attract. If there were two positives, they would bounce off each other.
KP index is the last three hours of magnetic activity around the world. It shouldn’t be used as a forecast. It’s an educated guest. KP index ranges from 0 to 9. As you come down in latitude, the number to see where will need to be higher. In Fairbanks, Alaska, you can see Aurora at KP Zero, Washington. It would help if you saw it with a camera, 6 to see it with eyes.
Don’t over think the Kp values to see auroras at certain latitudes. Even a Kp 3 or 4 could generate some aurora glow in northern Washington, but the higher Kp’s do help.
You can use the KP as a forecast, so if you are looking at an Aurora app and that KP is red, it is just an indicator that something may be coming, but never take it at face value 🙂
Electrified particles from the sun make it inside our atmosphere. They collide with gases. Oxygen will cause green and red, nitrogen, blue, and purple molecules to return to a lower energy state. They release the energy in the form of light.
Not only does it cause pretty cool shows, but it can also cause problems with the power grid, communication, and navigation.
The biggest one on the books is the Carrington event, which occurred from September 1 to September 2, 1859. It was the most intense geographic storm in recorded history. It is interesting. If this does interest you, then look it up!
When you are looking for Aurora, there are some things that you should consider.
First, make sure someone knows where you are. It is also preferred to be in cell phone reception for emergencies and, even better, carpool with someone.
Set up your cameras and get all your settings sorted before it shows up if you can.
Train your eyes to adjust to the darkness. It takes a while for your eyes to adjust to the darkness, so try to stay away from any light, especially the cell phone. If you’re waiting in your car, shut off your interior lights and cover your dash to make it as dark as possible. In a larger storm, you may see some colors with your eyes if you adjust them. If not, you can see the pillars, which look like moving clouds. This is a good way to know if it is Aurora or light pollution/airglow… Aurora moves…
Many times light pollution and air glow can be mistaken for the Aurora. You can tell the difference by investigating a few different things
Airglow is a faint emission of light by a planetary atmosphere. In the case of Earth’s atmosphere, this optical phenomenon causes the night sky never to be completely dark, even after the effects of starlight and diffused sunlight from the far side are removed.
https://www.youtube.com/@sunshinevillage
https://www.skunkbayweather.com/SkunkBayWebcam.html
Let’s go over some easy and simple information that will help you chase the Aurora in Washington this summer! In Washington we most likely need a G2 or G3 storm.
I caught it by accident during Labor Day weekend 2022. It was my first time shooting the Northern lights, and I learned quite a bit.
Now we are seeing activity AND clear skies so it is time to go over some basics to the chase!
Solar wind – electrified particles and gases erupt from the sun. Typical solar wind speed is 300 kilometers per second; anything over that is going to be a higher speed
BT—The total strength of the IMF should be high. The IMF is the interplanetary magnetic field, which is how the charge particles interact with the earth’s magnetic field.
BZ component of the sun’s magnetic field needs to be negative, or some people might refer to it as Southward. The earth’s magnetic field is positive. We want a negative BA because, ya know, opposites attract. If there were two positives, they would bounce off each other.
KP index is the last three hours of magnetic activity around the world. It shouldn’t be used as a forecast. It’s an educated guest. KP index ranges from 0 to 9. As you come down in latitude, the number to see where will need to be higher. In Fairbanks, Alaska, you can see Aurora at KP Zero, Washington. It would help if you saw it with a camera, 6 to see it with eyes.
Don’t over think the Kp values to see auroras at certain latitudes. Even a Kp 3 or 4 could generate some aurora glow in northern Washington, but the higher Kp’s do help.
You can use the KP as a forecast, so if you are looking at an Aurora app and that KP is red, it is just an indicator that something may be coming, but never take it at face value 🙂
Electrified particles from the sun make it inside our atmosphere. They collide with gases. Oxygen will cause green and red, nitrogen, blue, and purple molecules to return to a lower energy state. They release the energy in the form of light.
Not only does it cause pretty cool shows, but it can also cause problems with the power grid, communication, and navigation.
The biggest one on the books is the Carrington event, which occurred from September 1 to September 2, 1859. It was the most intense geographic storm in recorded history. It is interesting. If this does interest you, then look it up!
When you are looking for Aurora, there are some things that you should consider.
First, make sure someone knows where you are. It is also preferred to be in cell phone reception for emergencies and, even better, carpool with someone.
Set up your cameras and get all your settings sorted before it shows up if you can.
Train your eyes to adjust to the darkness. It takes a while for your eyes to adjust to the darkness, so try to stay away from any light, especially the cell phone. If you’re waiting in your car, shut off your interior lights and cover your dash to make it as dark as possible. In a larger storm, you may see some colors with your eyes if you adjust them. If not, you can see the pillars, which look like moving clouds. This is a good way to know if it is Aurora or light pollution/airglow… Aurora moves…
Many times light pollution and air glow can be mistaken for the Aurora. You can tell the difference by investigating a few different things
Airglow is a faint emission of light by a planetary atmosphere. In the case of Earth’s atmosphere, this optical phenomenon causes the night sky never to be completely dark, even after the effects of starlight and diffused sunlight from the far side are removed.
https://www.youtube.com/@sunshinevillage
https://www.skunkbayweather.com/SkunkBayWebcam.html
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