查看星期四, 30 10月 2003歷史檔案

太陽活動報表

本報告中提到的任何太陽耀斑都有太空天氣預報中心(SWPC) 應用的比例因子。由於 SWPC 比例因子,據報導太陽耀斑比科學質量數據小 42%。比例因子已從我們存檔的太陽耀斑資料中刪除,以反映真實的物理單位。
太陽地球物理活動報告 2003 Oct 30 2200 UTC
由美國國家海洋暨大氣總署 NOAA 及 太空天氣預測中心 SWPC 複製並編製,並由 ©SpaceWeatherLive.com 處理

美國空軍/美國國家海洋暨大氣總署太陽與地球物理活動聯合報告

SDF 編號 303 在 30 Oct 2003 上以 2200Z 發行

IA. 太陽活動區域和 29-2100Z到 30-2100Z的活動分析

Solar activity was at high levels. Region 486 (S18W23) produced an X10/2b flare that peaked at the end of the last period (29/2049Z). Once again, intense radio emissions accompanied this flare, including a 360,000 sfu burst at 245 MHz, a 2500 sfu Tenflare, and strong Type II/IV radio sweeps. An extremely fast (over 1900 km/s) earth-directed full halo CME was observed on LASCO imagery. A new injection of high energy protons accompanied this flare. Region 486 maintains its tremendous size and magnetic complexity. Strong delta configurations exist in this spot group containing over 2500 millionths of white light areal coverage. Region 488 (N08W28) continues to develop in size and complexity and now nears 1800 millionths of areal overage. Despite its impressive size, this region's activity levels have so far been limited to high C-class and low M-class flares. New Regions 494 (S23E08) and 495 (S22E20) were numbered today. Region 495 is a very fast growing D-type spot group.
IB. 太陽活動預報
Solar activity is expected to continue at high levels. Region 486 has been one of the most active regions of solar cycle 23 and maintains strong potential for further major proton flares. Large Region 488 also contains potential for a major flare.
IIA. 地球物理活動摘要 29-2100Z 至 30-2100Z
The geomagnetic field was at predominantly minor to severe storm levels. The intense geomagnetic storm that began at 29/0611Z continued through the first half of this period. Severe (K8-9) levels were observed from 29/2100 - 30/0300Z. A short-lived "lull" (K5-6) in activity preceded the onset of another severe geomagnetic storm. The very fast CME from the X10 flare that peaked at 29/2049Z impacted the magnetic field at around 30/1600Z - a remarkably fast 19-hour transit from Sun to Earth. GOES-10,11, and 12 geosynchronous satellites have experienced magnetopause crossings and in fact have been outside the magnetopause for much of the time since the onset of this severe storm. Sustained southward IMF Bz in the -15 to -30 Nt range is assuring a severe response. A Forbush decrease at around 20% remains in progress. A new surge of high energy protons followed the X-10 flare, enhancing the existing greater than 10 MeV and greater than 100 MeV proton events from the X17 flare on the 28th. This enhancement reached 110 pfu (29/2310Z) in the greater than 100 MeV level, and 3300 pfu (30/1935Z) in the greater than 10 MeV level. A polar cap absorption continues and the proton event remains in progress.
IIB. 地球物理活動預報
The geomagnetic field is expected to continue at major to severe storm levels through the first half of day one. The current severe geomagnetic storm is expected to gradually subside by the end of day one. Unsettled to occasional minor storm periods are possible on day two. Mostly unsettled levels are expected by day three. The greater than 100 MeV proton event is expected to end by day one. The greater than 10 MeV proton event will likely persist through day two.
III. 事件機率 31 Oct 至 02 Nov
M級90%90%90%
X級50%50%50%
質子99%99%75%
碳核算金融聯盟in progress
IV. 彭迪克頓10.7厘米通量
  觀測的       30 Oct 271
  預測的   31 Oct-02 Nov  265/260/255
  90天平均值        30 Oct 128
V. 地磁 A 指數
  觀測的 Afr/Ap 29 Oct  199/189
  估算值     Afr/Ap 30 Oct  115/130
  預測的    Afr/Ap 31 Oct-02 Nov  080/100-020/030-010/015
VI. 地磁活動機率 31 Oct 至 02 Nov
A. 中緯度
可見10%40%20%
小風暴20%15%05%
特大強風暴70%10%01%
B. 高緯度
可見10%50%25%
小風暴10%30%10%
特大強風暴80%10%05%

所有時間均採用 UTC 時間

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