Viewing archive of Monday, 25 November 2013 - Sunspot regions

Sunspot regions

Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
Sunspot number New regionsBackground fluxMaximum fluxC
52 -171 1B6.57C2.957

Sunspot regions

Region 11899

Number of
sunspots
Size Class Magn. Class Spot Location
4 2 560 80 HHX N07W84
HMIIF
HMIBC

Region 11903

Number of
sunspots
Size Class Magn. Class Spot Location
2 -1 110 -20 HAX S12W19
HMIIF
HMIBC

Region 11904

Number of
sunspots
Size Class Magn. Class Spot Location
12 -5 130 50 DAI N12W82
HMIIF
HMIBC

Solar flares on this day

C1.07 C2.91

Region 11905

Number of
sunspots
Size Class Magn. Class Spot Location
11 8 80 20 DAO N18E57
HMIIF
HMIBC

All times in UTC

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G4 - Severe geomagnetic storm

Observed Kp: 8
Threshold reached: 20:54 UTC

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Oulu, Rovaniemi, Kuopio
Trondheim
Arkhangelsk
Luleå, Sundsvall, Umeå
The density of the solar wind is moderate (20.34 p/cm3)
The strength of the interplanetary magnetic field is moderate (13.37nT), the direction is North (5.79nT).
The Disturbance Storm Time index predicts strong storm conditions right now (-134nT)

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Latest alerts

21:00 UTC - Geomagnetic activity

Severe G4 geomagnetic storm (Kp8) Threshold Reached: 20:55 UTC

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19:45 UTC - Geomagnetic activity

Strong G3 geomagnetic storm (Kp7) Threshold Reached: 19:25 UTC

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19:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 18:38 UTC

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18:45 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:28 UTC

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17:00 UTC - Geomagnetic activity

Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 16:34 UTC

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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/15M1.2
Last geomagnetic storm2025/04/15Kp6+ (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025124.1 -10.1
Last 30 days124.7 -16.6

This day in history*

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