Viewing archive of Friday, 12 June 2009

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 2009 Jun 12 2201 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Report of Solar and Geophysical Activity

SDF Number 163 Issued at 2200Z on 12 Jun 2009

IA. Analysis of Solar Active Regions and Activity from 11-2100Z to 12-2100Z

Solar activity has been very low. The visible disk is spotless. No flares have been observed in the past 24 hours.
IB. Solar Activity Forecast
Solar activity is expected to remain very low for the next three days (13-15 June).
IIA. Geophysical Activity Summary 11-2100Z to 12-2100Z
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected to remain quiet for the next three days (13-15 June).
III. Event Probabilities 13 Jun to 15 Jun
Class M01%01%01%
Class X01%01%01%
Proton01%01%01%
PCAFgreen
IV. Penticton 10.7 cm Flux
  Observed       12 Jun 069
  Predicted   13 Jun-15 Jun  069/069/069
  90 Day Mean        12 Jun 070
V. Geomagnetic A Indices
  Observed Afr/Ap 11 Jun  002/003
  Estimated     Afr/Ap 12 Jun  002/004
  Predicted    Afr/Ap 13 Jun-15 Jun  005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 13 Jun to 15 Jun
A. Middle Latitudes
Active05%05%05%
Minor storm01%01%01%
Major-severe storm01%01%01%
B. High Latitudes
Active05%05%05%
Minor storm01%01%01%
Major-severe storm01%01%01%

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-flare2026/03/18M2.7
Last geomagnetic storm2026/03/23Kp5 (G1)
Spotless days
Last 365 days3 days
20263 days (4%)
Last spotless day2026/02/24
Monthly mean Sunspot Number
February 202678.2 -34.3
March 202679.2 +1
Last 30 days75.6 -9.1

This day in history*

Solar flares
12024M4.4
22001M3.71
32001M3.57
42004M3.43
52008M2.47
DstG
11991-298G4
21990-111G2
31983-103G2
41969-97G1
52024-88G1
*since 1994

Social networks