April 5, 2021
Web site is renewed! We release “Simulated Distribution”, which displays predicted aurora in the past, present, and future on a world map by green and pink. The Simulated Distribution is created from the data of magnetosphere simulation running on a high-speed computing system.

Simulated Distribution

UT forecast
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UT forecast
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Alert Level

Every 1 Hour
Every 10 Minutes
Time
Aurora Level
IMF
Solr Wind Speed (km/s)
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now
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Last update
Hard
to watch
Week
Green
Bright
Green and Red
Spread
all sky Colorful
IMF
Clook angle of interplanetary magnetic fields.

Forecast Calendar

SUN
MON
TUE
WED
THU
FRI
SAT
SUN
MON
TUE
WED
THU
FRI
SAT
Hard
to watch
Week
Green
Bright
Green and Red
Spread
all sky Colorful
Moon
new moon
first quater
full moon
last quater

Real-time Monitors

Alaska
Antarctica

Archives

May 6 2018

Red aurora ovserved at Syowa Station (Dst -54 nT)

September 28 2017

Aurora observed at Alaska (Dst -55 nT)

September 28 2017

Aurora with the moonlight observed at Syowa Station (Dst -55 nT)

September 7 2017

Aurora with the moonlight observed at Syowa Station (Dst -124 nT)

May 28 2017

Aurora observed at Syowa Station (Dst -125 nT)

March 27 2017

Aurora observed at Alaska (Dst -74 nT)

What is Aurora Alert?

Aurora Alert is the website which delivers aurora forecast and the current sky images of areas in the auroral belt. This website is operated by the Space Environment Laboratory, Applied Electromagnetic Research Institute in the National Institute of Information and Communications Technology.
The “Simulated Distribution” is created by using calculation results of a real-time global magnetosphere simulation driven by the real-time solar wind data acquired by DSCOVR. The real-time magnetosphere simulation is operated on the high-speed computing system at NICT. (Due to the limitation of the current real-time simulator, auroral data cannot be obtained at latitudes lower than the latitude of about 60 degrees in the geomagnetic coordinate system. This limit latitude may be seen as boundaries, when, for example, the aurora is very active.)
The aurora forecast has been calculated automatically based on Aurora Electrojet (AE) index and the real-time data of solar wind by DSCOVR. Aurora images are taken by live cameras installed in Alaska and Syowa Station.
If you have any questions about this website, please contact us by following link.

Acknowledgement

Real-time values of AL index and solar wind data by DSCOVR are used for the aurora forecast calculation. We would like to thank the following institutions for their cooperation and efforts operating these stations and providing data.

World data center for Geomagnetism Kyoto, Abisko [SGU, Sweden], Cape Chelyuskin [AARI, Russia], Tixi [IKFIA and AARI, Russia], Pebek [AARI, Russia], Barrow, College [USGS, USA], Yellowknife, Fort Churchill, Sanikiluaq (Poste-de-la-Baleine) [CGS, Canada], Narsarsuaq [DTU Space, Denmark], and Leirvogur [U. Iceland, Iceland] as well as the RapidMAG team (Kyoto Univ, JHU/APL, UoA, AARI, IDG), INTERMAGNET, National Aeronautics and Space Administration(NASA), National Oceanic and Atmospheric Administration(NOAA). We also thank the Real-time monitors at Syowa Station which is operated by Japanese Antarctic Research Expedition.

This web site is operated with the support of ”Promotion of observation and analysis of radio wave propagation,” commissioned research of the Ministry of Internal Affairs and Communications, Japan.

Site Policy

・Contents on this website might be changed without prior notice. Information on this website might not be latest data.

・Aurora Alert and NICT has no responsibility for any damages or disadvantage caused by using any information provided by this website even regardless of any reasons. Please be aware there might be difference between the forecast and actual situation.

PUL-kun

A pulsating aurora fairy who came from the magnetosphere by bitch angle scattering. He is the navigator of Aurora Alert. When the alert level goes up, his hairstyle will change.

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