Viewing archive of Thursday, 22 January 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2015 Jan 22 1240 UTC

SIDC Forecast

Valid from 1230 UTC, 22 Jan 2015 until 24 Jan 2015
Solar flares

Active (M-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
22 Jan 2015124010
23 Jan 2015126007
24 Jan 2015129007

Bulletin

Solar activity has been dominated by the region on the east solar limb (NOAA AR 2268). It produced several C-class and one M1.4 flare at 04:52 UT. More M-class flares can be expected. Geomagnetic conditions were dominated by a fast speed stream that is now decaying. Planetary and local K indices reached 4. Quiet to unsettled conditions are expected.

Today's estimated international sunspot number (ISN): 048, based on 03 stations.

Solar indices for 21 Jan 2015

Wolf number Catania068
10cm solar flux124
AK Chambon La Forêt029
AK Wingst013
Estimated Ap013
Estimated international sunspot number033 - Based on 10 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmCatania/NOAARadio burst types
22044304520502----M1.4--/2268

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

All times in UTC

<< Go to daily overview page

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M5.6
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days128.5 -22.7

This day in history*

Solar flares
12001M7.89
22017M6.34
32001M5.75
42025M5.6
52024M3.9
DstG
11960-327G4
22001-228G2
31976-218G4
41973-211G4
51989-93G2
*since 1994

Social networks