Viewing archive of Friday, 9 November 2018

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2018 Nov 09 1304 UTC

SIDC Forecast

Valid from 1230 UTC, 09 Nov 2018 until 11 Nov 2018
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
09 Nov 2018070007
10 Nov 2018070017
11 Nov 2018070007

Bulletin

Over the past 24 hours solar activity has been low. A new active region (Catania 1) remained inactive. No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10MeV proton flux remained at background levels over the past 24 hours. Solar activity is expected to remain very low over the next 24 hours. The solar wind speed has decreased from about 515 till 380 km/s over the past 24 hours. The total magnetic field strength is below 5 nT. The Bz component fluctuated around 0 nT, ranging between -3 and +3 nT. Solar wind speed and total magnetic field strength have high chance to increase today or tomorrow due to the possible influences of a negative polarity coronal hole. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 0-2 (Dourbes) over the past 24 hours. Unsettled to active geomagnetic conditions can be expected, with a small chance for anminor storm later today or tomorrow.

Today's estimated international sunspot number (ISN): 011, based on 14 stations.

Solar indices for 08 Nov 2018

Wolf number Catania011
10cm solar flux070
AK Chambon La Forêt012
AK Wingst012
Estimated Ap012
Estimated international sunspot number000 - Based on 23 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

Oulu, Kuopio
Arkhangelsk, Vorkuta
Sundsvall, Umeå

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

Syktyvkar
The solar wind speed is currently moderately high (512.9 km/sec.)

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

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


Saturday, 5 April 2025
20:30 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:20 UTC

alert


20:24 UTC - Solar flare

Moderate M1.05 flare

alert


20:09 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.05)


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 days132.7 -9.9

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