Archive





You are here: Home>Archive

	Daily Forecast
	Weekly Forecast
	27-day F10.7 Forecast
	27-day Ap Forecast
	Solar Cycle Forecast

	Solar X-ray Flare
	Solar Proton Event
	RelativisticElectronEnhancement
	GeoMagnetic Storm

	AE Model
	Dst Model
	Sudden Ionosphere Disturbance
	Magnetopause & Bow Shock
	Kp Model
	GEO relativistic electron flux
	Chinese Assimilation TEC Model

	Cosmic Ray
	Station K Indices
	Ionosphere

	Coronal Hole Index
	Solar Active Regions
	F10.7 Index
	Ap Index

ARCHIVE

DAILY REPORTS

startTime:

endTime:

During the past 24 hours, solar activity was low. Five sunspot regions were on the visible disk with several C-Class flares produced. The solar wind speed decreased to about 310 km/s. The geomagnetic field was quiet.
Within the next three days, solar activity is expected to be mainly low with a chance for M-Class flares. The geomagnetic field is expected to be mainly quiet to unsettled.
	Published:	2022-09-26 00:13 UTC
	Forecaster:	041/026

During the past 24 hours, solar activity was low. Five active sunspot regions were on the visible disk with several C-Class flares produced. Due to the effect of the recurrent coronal hole high speed stream, the solar wind speed increased to about 360 km/s. The geomagnetic field was quiet to unsettled.
Within the next three days, solar activity is expected to be mainly low with a chance for M-Class flares. Due to the effect of the recurrent coronal hole high speed stream, the geomagnetic field is expected to be mainly quiet to unsettled.
	Published:	2022-09-27 00:00 UTC
	Forecaster:	026/039

During the past 24 hours, solar activity was low. Five active sunspot regions were on the visible disk with several C-Class flares produced. Due to the effects of CME and the recurrent coronal hole high speed stream, the solar wind speed increased to about 580 km/s. The geomagnetic field reached moderate storm levels for 3 hours, active levels for 6 hours, and quiet to unsettled for the rest time.
Within the next three days, solar activity is expected to be mainly low with a chance for M-Class flares. The geomagnetic field is expected to be mainly quiet to unsettled.
	Published:	2022-09-28 00:01 UTC
	Forecaster:	042/027

During the past 24 hours, solar activity was low. Four active sunspot regions were on the visible disk with several C-Class flares produced. The solar wind speed decreased to about 490 km/s. The geomagnetic field was at quiet levels.
Within the next three days, solar activity is expected to be mainly low with a chance for M-Class flares. The geomagnetic field is expected to be mainly quiet on 29 Sep. Due to the effect of the recurrent coronal hole high speed stream, the geomagnetic field is expected to reach storm levels on 30 Sep- 1 Oct.
	Published:	2022-09-29 00:05 UTC
	Forecaster:	027/040

During the past 24 hours, solar activity was low. Four active sunspot regions were on the visible disk with several C-Class flares produced. The solar wind speed maintained at about 500 km/s. The geomagnetic field was at quiet levels.
Within the next three days, solar activity is expected to be mainly low with a chance for M-Class flares. Due to the effect of the recurrent coronal hole high speed stream, the geomagnetic field is expected to reach storm levels on 30 Sep-2 Oct.
	Published:	2022-09-30 00:09 UTC
	Forecaster:	040/029

During the past 24 hours, solar activity was moderate. Six active sunspot regions were on the visible disk. The newly numbered AR3112(N20E76)produced three M-class flares. Due to the effect of a recurrent coronal hole high speed stream, the solar wind speed reached a peak of 580 km/s, and the geomagnetic field was at active levels for 6 hours. It was quiet to unsettled for the rest of time.
Within the next three days, solar activity is expected to be moderate with a chance for M-Class flares. Due to the effect of the recurrent coronal hole high speed stream, the geomagnetic field is expected to reach storm levels on 1-2 Oct, and active levels for 3 Oct. The greater than 2 MeV electron flux at geosynchronous orbit is expected to be reach minor storm levels on 3 Oct.
	Published:	2022-10-01 00:00 UTC
	Forecaster:	029/037

During the past 24 hours, solar activity was high. Six active sunspot regions were on the visible disk with a M5.8-class flare produced by AR3110(N11E38), associated with a CME. The solar wind speed decreased to about 450 km/s. The geomagnetic field was quiet.
Within the next three days, solar activity is expected to be mainly moderate with a chance for M-Class flares. Due to the effect of the recurrent coronal hole high speed stream, the geomagnetic field is expected to reach active or storm levels on 2-3 Oct. Due to the effect of CME produced on 1 Oct, the geomagnetic field is expected to reach active levels on 4 Oct.
	Published:	2022-10-01 23:57 UTC
	Forecaster:	037/010

WEEKLY REPORTS

startTime:

endTime:

Week-6
Week-5
Week-4
Week-3
Week-2
Week-1
Week

During the last week, solar activity was high on 16 Aug and moderate on 15 Aug and 17-18 Aug. Twelve active sunspot regions (AR3071, AR3074-AR3084) were on the visible disk with 10 M-class and 100 C-class flares produced. The F10.7 index fluctuated between 117 sfu and 131 sfu. Due to the effects of the coronal hole high speed stream and CMEs, the solar wind speed reached a peak value of about 550 km/s on 17 Aug, and the geomagnetic field was at moderate storm levels for 6 hours and active levels for three hours. The solar wind speed mantained at about 600 km/s on 18 Aug, the geomagnetic field was minor storm levels for 9 hours and active levels for 3 hours. The geomagnetic field was at quiet to unsettled levels for the rest of the time. The greater than 2 MeV electron flux at geosynchronous orbit reached minor storm levels on 12-17 Aug.
Within the next week, solar activity is expected to be low to moderate with a chance for M-class flares. The geomagnetic field is expected to reach isolated storm levels on 19-20 Aug due to the effect of the coronal high speed stream and CMEs. It will be quiet to unsettled for the rest time. The greater than 2 MeV electron flux at geosynchronous orbit reached minor storm levels on 21-25 Aug.
	Published:	2022-08-19 01:24 UTC
	Forecaster:	040

During the last week, solar activity was moderate on 19 Aug and 25 Aug. Eleven active sunspot regions (AR3078, AR3081-AR3090) were on the visible disk with 3 M-class and 46 C-class flares produced. No solar proton event occurred. The F10.7 index fluctuated between 97 sfu and 118 sfu. Due to the effects of the coronal hole high speed stream and CMEs, the solar wind speed reached a peak value of about 670 km/s on 19 Aug, and the geomagnetic field was at minor storm levels for 3 hours and active levels for 6 hours. The geomagnetic field was active levels for 9 hours on 20-21 Aug. The geomagnetic field was at quiet to unsettled levels for the rest of the time. The greater than 2 MeV electron flux at geosynchronous orbit reached minor storm levels on 22-25 Aug.
Within the next week, solar activity is expected to be low to moderate with a chance for M-class flares. The geomagnetic field is expected to be at active levels on 29-30 Aug due to the effect of the coronal hole high speed stream. It will be quiet to unsettled for the rest time.
	Published:	2022-08-26 00:54 UTC
	Forecaster:	041

During the last week, solar activity was high on 26, 28, and 29 Aug, moderate on 27 and 30 Aug, low on other periods of time. Eight active sunspot regions (AR3085-AR3092) were on the visible disk with 16 M-class and 56 C-class flares produced. All M class flares were produced by AR3088 and AR3089. Protons greater than 10 MeV at geosynchronous orbit reached SPE levels with a peak level of 27 pfu. d. The F10.7 index fluctuated between 113 sfu and 151 sfu. Due to the effects of the coronal hole high speed stream, the solar wind speed increased to about 440 km/s on 27 Aug, and the geomagnetic field reached active levels for 6 hours. Due to the effect of the coronal high speed stream and CME, solar wind reached a peak value of about 580km/s, and the geomagnetic field reached active levels for 6 hours on 29-30 Aug. Due to the effect of the coronal high speed stream, the geomagnetic field reached active levels for another 6 hours on 31 Aug to 1st Sep. The geomagnetic field was at quiet to unsettled levels for the rest of the time. The greater than 2 MeV electron flux at geosynchronous orbit reached minor storm levels on 26 Aug.
Within the next week, solar activity is expected to be low to moderate with a chance for M-class flares. The geomagnetic field is expected to be at active or storm levels on 3-5 Sep due to the effect of a reccurent coronal hole high speed stream. It will be quiet to unsettled for the rest time.
	Published:	2022-09-02 00:41 UTC
	Forecaster:	037/029

During the last week, solar activity was moderate on 5 Sep, low on other periods of time. Eight active sunspot regions (AR3089, AR3092-AR3098) were on the visible disk with one M1-class and 75 C-class flares produced. No solar proton events occurred. The F10.7 index ranged between 123 sfu and 130 sfu. Due to the effects of the recurrent coronal hole high speed stream, the solar wind speed increased to about 680 km/s on 4 Sep, and the geomagnetic field reached moderate storm levels for 12 hours, minor storm levels for 21 hours and active levels for 54 hours during 2-8 Sep. The greater than 2 MeV electron flux at geosynchronous orbit reached minor storm levels during 5-8 Sep.
Within the next week, solar activity is expected to be mainly low. The geomagnetic field is expected to be mainly quiet to unsettled. The greater than 2 MeV electron flux at geosynchronous orbit will maintain at minor storm levels on 9-11 Sep.
	Published:	2022-09-09 02:06 UTC
	Forecaster:	027/039

During the last week, solar activity was moderate on 12, 14 Sep and low on other periods of time. Ten active sunspot regions (AR3092, AR3094, AR3096-AR3103) were on the visible disk with two M-class and 74 C-class flares produced. No solar proton events occurred. The F10.7 index ranged between 126 sfu and 154 sfu. Due to the effects of the recurrent coronal hole high speed stream, the solar wind speed maintained at about 510 km/s on 9 Sep, and the geomagnetic field reached active levels for 6 hours. Due to the effect of CME, the solar wind speed increaseed to about 350 km/s on 14-15 Sep, the geomagnetic field reached active levels for 6 hours. The greater than 2 MeV electron flux at geosynchronous orbit maintained at minor storm levels during 9-14 Sep.
Within the next week, solar activity is expected to be mainly low. The geomagnetic field is expected to reach isolated active levels or minor storm levels on 16-17 Sep due to the effects of the recurrent coronal hole high speed stream, it will be maily quiet to unsettled for the rest of time.
	Published:	2022-09-16 01:06 UTC
	Forecaster:	026

During the last week, solar activity was high on 16 Sep, moderate on 17,20-21 Sep, and low in other periods of time. Ten active sunspot regions (AR3098, AR3100, AR3102-AR3109) were on the visible disk with six M-class and several C-class flares produced. AR3098 reached the maximum area of 860 solar area unit , and produced one M7.9 event and M6.2 event on 16 Sep. No solar proton events occurred. The F10.7 index ranged between 128 sfu and 137 sfu. The geomagnetic field was quiet to unsettled.
Within the next week, solar activity is expected to be mainly low. The geomagnetic field is expected to reach isolated active levels or minor storm levels on 23-24 Sep due to the effects of the recurrent coronal hole high speed stream. Due to the effects of another recurrent coronal hole high speed stream, it will be isolated active levels on 26-27 Sep, and be mainly quiet to unsettled for the rest of time.
	Published:	2022-09-23 01:25 UTC
	Forecaster:	029/042

During the last week, solar activity was moderate on 23 Sep, and low in other periods of time. Seven active sunspot regions (AR3102, AR3105, AR3107-AR3111) were on the visible disk with one M-class and several C-class flares produced. No solar proton events occurred. The F10.7 index ranged between 135 sfu and 146 sfu. The geomagnetic field was active levels for 3 hours on 24 Sep. Due to the effects of the coronal hole high speed stream and CMEs, the solar wind speed reached a peak value of about 580 km/s on 27 Sep, and the geomagnetic field was at moderate storm levels for 3 hours and active levels for 6 hours. The geomagnetic field was quiet to unsettled for the rest of time.
Within the next week, solar activity is expected to be mainly low to moderate levels. The geomagnetic field is expected to reach storm levels on 30 Sep-2 Oct due to the effects of the recurrent coronal hole high speed stream, and be mainly quiet to unsettled for the rest of time.
	Published:	2022-09-30 01:16 UTC
	Forecaster:	029/040

SOLAR IMAGES

The active region magnetogram is created from the raw full-disk longitudinal magnetogram data, which is observed at Huairou Solar Observatory Station of Beijing in China.