發布時間: 2013 Oct 13 1220 UTC
Active (M-class flares expected, probability >=50%)
Active conditions expected (A>=20 or K=4)
Quiet
| 10公分通量 | Ap | |
|---|---|---|
| 13 Oct 2013 | 132 | 007 |
| 14 Oct 2013 | 132 | 014 |
| 15 Oct 2013 | 134 | 011 |
Active conditions are foreseen for the next 48 hours, with NOAA AR 1865 being the main candidate for an isolated M class flare, as well as, but to a lesser extent, AR 1861. An M1.7 flare occurred in AR 1865 on Oct. 13, 0043 UT (peak time). It was associated with a partial halo CME as observed from SOHO by LASCO. We expect the bulk of this CME to pass south of the Earth, but a partial hit is not excluded, with a possible arrival time on Oct. 16, around mid-day, triggering unsettled to active geomagnetic conditions. We expect quiet geomagnetic conditions for the next 24 hours, and then unsettled to active conditions by the end of Oct. 14, due a small coronal hole becoming geoeffective. Current interplanetary conditions are rather quiet, with weak Bz negative excursions, linked to a sector boundary crossing.
今日估計的國際太陽黑子數(ISN):094,基於05個觀測站。
| 卡塔尼亞沃爾夫數 | /// |
| 10厘米太陽通量 | 128 |
| AK Chambon La Forêt | 013 |
| AK Wingst | 008 |
| 估計地磁Ap指數 | 007 |
| 估計國際太陽黑子數 | 080 - 基於20個觀測站 |
| 日 | 開始 | 最大值 | 結束 | 位置 | 強度 | OP | 10cm | 卡塔尼亞天體物理觀測站/美國國家海洋暨大氣管理局 | 電波爆發類型 |
|---|---|---|---|---|---|---|---|---|---|
| 13 | 0012 | 0043 | 0105 | S22E17 | M1.7 | SF | 05/1865 | VI/2II/1 |
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