Viewing archive of Friday, 22 November 2013

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2013 Nov 22 1145 UTC

SIDC Forecast

Valid from 1230 UTC, 22 Nov 2013 until 24 Nov 2013
Solar flares

Eruptive (C-class flares expected, probability >=50%)

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
22 Nov 2013140001
23 Nov 2013135001
24 Nov 2013135001

Bulletin

Solar activity is expected to be at most eruptive for the next 48 hours with risk for C class flares from NOAA ARs 1897 and 1899. The M flare of Nov. 21 was associated with a CME, but it does not appear to be geoeffective. Quiet geomagnetic conditions are expected for the next 48 hours. Current interplanetary conditions are very quiet.

Today's estimated international sunspot number (ISN): 046, based on 05 stations.

Solar indices for 21 Nov 2013

Wolf number Catania///
10cm solar flux141
AK Chambon La Forêt004
AK Wingst001
Estimated Ap002
Estimated international sunspot number052 - Based on 13 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

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

Reykjavik

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

Monday, 7 April 2025
20:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 20:39 UTC

alert


17:33 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 51GW at 18:18 UTC


Sunday, 6 April 2025
02:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:50 UTC

alert


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/05M1.0
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025148.7 +14.5
Last 30 days134.1 -5.6

This day in history*

Solar flares
12006M1.39
22002M1.38
31997C9.01
42002C8.7
52002C6.29
DstG
12000-292G4
21995-149G4
31977-95G3
41989-85G1
51960-76G1
*since 1994

Social networks