Viewing archive of Friday, 27 February 2015

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2015 Feb 27 1239 UTC

SIDC Forecast

Valid from 1230 UTC, 27 Feb 2015 until 01 Mar 2015
Solar flares

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
27 Feb 2015110007
28 Feb 2015109007
01 Mar 2015105007

Bulletin

Solar activity is very low and is expected to remain so, no C-class flares in past 24 h. Geomagnetic conditions are quiet and expected to remain so.

Today's estimated international sunspot number (ISN): 042, based on 08 stations.

Solar indices for 26 Feb 2015

Wolf number Catania///
10cm solar flux111
AK Chambon La Forêt007
AK Wingst004
Estimated Ap003
Estimated international sunspot number022 - Based on 07 stations

Noticeable events summary

DayBeginMaxEndLocStrengthOP10cmCatania/NOAARadio burst types
None

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 Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!

No Ads on SWL Pro!
No Ads on SWL Pro! Subscriptions
Donations
Support SpaceWeatherLive.com! Donate
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2026/02/04X4.21
Last M-flare2026/02/25M2.4
Last geomagnetic storm2026/02/22Kp5+ (G1)
Spotless days
Last 365 days3 days
20263 days (5%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
January 2026112.6 -11.4
February 202676.8 -35.8
Last 30 days83.6 -38.4

This day in history*

Solar flares
12004X1.64
22004M8.24
32014M1.59
42000M1.54
52002M1.37
DstG
11992-174G4
21959-122G2
31979-78
41990-76
51981-72G2
*since 1994

Social networks