今年は１１年間の周期の中、オーロラが見える確率の低い年ですが、今夜か明日の夜、６時間くらいオーロラが強く出てくるという予報があります。下記に添付しますが、私の日本語能力が足りないので誰かだいたいの意味を翻訳してくれませんか？？
この前トピックを立てましたけど、残念ながらその時、予想通り出てこなかったけど、今回は本当に見えるかな？
今バンクーバーは曇りですが、天気予報を調べて、今夜と明日は晴れそうです。
興味がある方、いよいよグループ作って見に行きましょう！
（僕は今風ひっちゃって残念ながら行けないかもしれないけど）
The coronal hole on the sun that that has produced active aurorae for at least 4 solar rotations has come into position again. The high speed stream should intercept Earth by midnight Greenwich Time on the 19th. If it produces the same level of activity this time as in the previous rotations, we should see at least 6 hours of planetary magnetic disturbance above 4 during the night of the 19th in North America, the 20th in eastern Russia, and New Zealand, Tasmania.
The planetary magnetic disturbance index Kp>4 means displays are visible in all of Canada, Alaska, and Scandinavia and from the northern tier of the United States. See the relation of aurora to Kp under "Aurora viewing" at:
http://sec.noaa.gov/pmap/index.html
Aurora watchers should monitor the one hour prediction map at the aurora forecast website:
http://www.gedds.alaska.edu/AuroraForecast/ click on One Hour Forecast.
It will show the prediction of auroral occurrence one hour in advance.
If the disturbance is delayed relative to our prediction, (as it has been for the last 5 solar rotations) the possibility of the 6 or 9 hour disturbance period occurring during the local night will move westward. This means possible displays for watchers in western Russia, southern Scandinavia, and northern UK on the night of the 20th, or even farther wes for US observers on the night of the 20th.
Dr. Charles Deehr, Prof. Emer. Phys. Ph. 907 474 7473 Fax 907 474 7290
email
cdeehr@gi.alaska.edu
The Geophysical Institute
University of Alaska Fairbanks
903 Koyukuk Ave N
Fairbanks, Alaska 99775-7320
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