Exciting news! We are launching a dating app! SpaceWeatherLove! Follow the link below and download it now!

More info

Viewing archive of Thursday, 8 September 2016

Solar activity report

Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 2016 Sep 08 2200 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 252 Issued at 2200Z on 08 Sep 2016

IA. Analysis of Solar Active Regions and Activity from 07-2100Z to 08-2100Z

Solar activity has been at very low levels for the past 24 hours. There are currently 3 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be low with a slight chance for an M-class flare on days one, two, and three (09 Sep, 10 Sep, 11 Sep).
IIA. Geophysical Activity Summary 07-2100Z to 08-2100Z
The geomagnetic field has been at quiet to active levels for the past 24 hours. Solar wind speed reached a peak of 523 km/s at 08/0043Z. Total IMF reached 7 nT at 08/0400Z. The maximum southward component of Bz reached -5 nT at 08/0437Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 14152 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on days one, two, and three (09 Sep, 10 Sep, 11 Sep).
III. Event Probabilities 09 Sep to 11 Sep
Class M10%10%10%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       08 Sep 095
  Predicted   09 Sep-11 Sep 095/095/092
  90 Day Mean        08 Sep 086

V. Geomagnetic A Indices
  Observed Afr/Ap 07 Sep  008/012
  Estimated     Afr/Ap 08 Sep  012/015
  Predicted    Afr/Ap 09 Sep-11 Sep  009/008-008/008-010/010

VI. Geomagnetic Activity Probabilities 09 Sep to 11 Sep
A. Middle Latitudes
Active15%15%15%
Minor storm05%05%05%
Major-severe storm01%01%01%
B. High Latitudes
Active15%15%20%
Minor storm25%20%20%
Major-severe storm25%20%20%

All times in UTC

<< Go to daily overview page

Active geomagnetic conditions

Observed Kp: 4
Threshold reached: 01:33 UTC

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

Gillam, MB, Iqaluit, NU
Nuuk
Reykjavik
The strength of the interplanetary magnetic field is moderate (10.82nT), the direction is slightly South (-6.78nT).

S1 - Minor solar radiation storm

Minor impacts on HF radio through polar regions

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

01:45 UTC - Geomagnetic activity

Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC

alert


Tuesday, 1 April 2025
22:51 UTC - Solar flare

Moderate M2.5 flare

alert


22:30 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.45)


07:15 UTC - 10cm Radio Burst

Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu


07:06 UTC - Solar flare

Strong M5.61 flare

alert


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/01M2.4
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days128.1 -22.5

This day in history*

Solar flares
12001X28.5
22001X2.01
32001X1.59
42014M9.35
52017M8.22
DstG
11960-272G3
21973-173G3
32001-101G1
41976-101G1
51994-96G3
*since 1994

Social networks