Viewing archive of Thursday, 18 June 2020

Daily bulletin on solar and geomagnetic activity from the SIDC

Issued: 2020 Jun 18 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 18 Jun 2020 until 20 Jun 2020
Solar flares

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

Geomagnetism

Quiet (A<20 and K<4)

Solar protons

Quiet

10cm fluxAp
18 Jun 2020069007
19 Jun 2020069007
20 Jun 2020069007

Bulletin

There is no active region on the visible Sun. No B or brighter flares in the past 24 hours, none expected.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

Solar wind speed near Earth has remained at around 300 km/s in the past 24 hours. The Interplanetary Magnetic Field ranged between 3 and 6 nT.

Quiet to unsettled geomagnetic conditions were observed locally (K Dourbes between 0 and 3) and Kp ranged between 0 and 2 in the past 24 hours. Quiet conditions expected for the next 48 hours.

Today's estimated international sunspot number (ISN): 000, based on 20 stations.

Solar indices for 17 Jun 2020

Wolf number Catania000
10cm solar flux069
AK Chambon La Forêt008
AK Wingst006
Estimated Ap005
Estimated international sunspot number000 - Based on 28 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

Vorkuta
The maximum X-ray flux of the past two hours is:
M1.08

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

17:09 UTC - Solar flare

Moderate M1.08 flare

alert


16:51 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.04)


Thursday, 10 April 2025
23:00 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 22:47 UTC

alert


20:45 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 21:37 UTC


01:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 01:41 UTC

alert


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/08M1.5
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025141.4 +7.2
Last 30 days137.9 +0.4

This day in history*

Solar flares
12013M9.34
22024M5.47
32001M3.41
42000M1.63
52000M1.5
DstG
12001-271G4
21990-190G3
31978-114G4
41982-110G2
51959-88G1
*since 1994

Social networks