查看星期四, 23 7月 1998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 1998 Jul 23 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 204 在 23 JUL 1998 上以 2200Z 發行

IA. 太陽活動區域和 22-2100Z到 23-2100Z的活動分析

SOLAR ACTIVITY HAS BEEN LOW. THREE C-CLASS FLARES WERE OBSERVED DURING THE PAST 24 HOURS: A C1 FROM REGION 8280 (S21E54) AT 1605Z, A C1 FROM REGION 8281 (N18E45) AT 1630Z, AND A C1 FROM REGION 8282 (N33E56) AT 1745Z. REGIONS 8281 AND 8282 ARE BOTH RELATIVELY SMALL, BUT ARE GROWING. REGION 8280 CONTINUES TO BE IMPRESSIVE IN SIZE AND APPEARS TO BE GROWING SLOWLY. NEVERTHELESS, THE REGION IS REMARKABLY STABLE.
IB. 太陽活動預報
SOLAR ACTIVITY IS EXPECTED TO BE PREDOMINANTLY LOW. THERE IS A CHANCE, HOWEVER, FOR AN ISOLATED M-CLASS EVENT FROM REGION 8280 SOMETIME IN THE NEXT 3-4 DAYS.
IIA. 地球物理活動摘要 22-2100Z 至 23-2100Z
THE GEOMAGNETIC FIELD WAS AT ACTIVE TO MINOR STORM LEVELS, WITH SOME MAJOR STORM PERIODS AT HIGH LATITUDES. THE PERIOD FROM 0300-1500Z WAS PARTICULARLY DISTURBED AND ATTAINED MAXIMUM FROM 09-12Z WITH AN ESTIMATED KP OF 6. THE ACTIVITY WAS ASSOCIATED WITH A HIGH SPEED STREAM WITH VELOCITIES UP TO 700 KM/S OBSERVED BY ACE. THE INTERPLANETARY MAGNETIC FIELD COMPONENT, BZ, SHOWED REGULAR, STRONG FLUCTUATIONS VARYING BETWEEN +10 NT TO -10NT. THIS WAVE ACTIVITY WAS MANIFESTED IN THE GROUND BASED MAGNETOMETER SIGNATURE AS FREQUENTLY FLUCTUATING FIELD VARIATIONS. DURING THE LATTER PART OF THE DAY FROM 1500-2100Z THE WAVE ACTIVITY CONTINUED BUT WAS WEAKER (+/- 5 NT), AND THIS WAS ALSO REFLECTED IN A WEAKENED MAGNETIC DISTANCE: MID-LATITUDES WERE ACTIVE AND HIGH LATITUDES WERE MOSTLY ACTIVE TO MINOR STORM. AFTER THE FACT SOLAR ANALYSIS SUGGESTED THAT THE HIGH SPEED STREAM IS DUE TO AN EXTENSION OF THE NORTHERN POLAR CORONAL HOLE.
IIB. 地球物理活動預報
THE GEOMAGNETIC FIELD IS EXPECTED TO BE ACTIVE FOR THE NEXT 12 HOURS. THERE MAY BE SOME ISOLATED STORM LEVEL ACTIVITY AT HIGH-LATITUDES. CONDITIONS ARE EXPECTED TO RETURN TO PREDOMINANTLY UNSETTLED LEVELS FOR THE LATTER PART OF TOMORROW AND THROUGH THE REMAINDER OF THE FORECAST PERIOD.
III. 事件機率 24 JUL 至 26 JUL
M級25%25%25%
X級05%05%05%
質子05%05%05%
碳核算金融聯盟GREEN
IV. 彭迪克頓10.7厘米通量
  觀測的       23 JUL 115
  預測的   24 JUL-26 JUL  115/112/110
  90天平均值        23 JUL 108
V. 地磁 A 指數
OBSERVED AFR/AP 22 JUL  008/008
ESTIMATED AFR/AP 23 JUL  025/036
PREDICTED AFR/AP 24 JUL-26 JUL  015/015-012/015-010/010
VI. 地磁活動機率 24 JUL 至 26 JUL
A. 中緯度
可見40%20%15%
小風暴15%05%05%
特大強風暴05%01%01%
B. 高緯度
可見40%25%20%
小風暴20%15%05%
特大強風暴10%05%05%
THE FOLLOWING CHANGES WILL OCCUR ON MONDAY, 27 JULY: GOES-9 WILL BE TAKEN OUT OF OPERATIONAL STATUS GOES-8 WILL BECOME THE PRIMARY SATELLITE FOR SWO DATA AND PRODUCTS. GOES-10 WILL BE THE SECONDARY SATELLITE (THIS NOTICE SUPERCEDES THE EARLIER DECISION THAT HAD ASSIGNED GOES-10 AS PRIMARY)

所有時間均採用 UTC 時間

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