Viewing archive of Thursday, 26 April 2012

Geophysical report

Solar and Geophysical Activity Summary 2012 Apr 26 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 117 Issued at 0245Z on 26 Apr 2012 This report is compiled from data received at SWO on 25 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 1019 1019 1019                       160                           
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to major storm levels with an isolated period of severe storm levels at high latitudes.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 127  SSN 137  Afr/Ap 018/031   X-ray Background B4.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 7.0e+05   GT 10 MeV 1.1e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.10e+08 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 4 4 4 2 3 4 3 Planetary 4 4 4 3 3 4 6 4 
F. Comments
  None

<< Go to daily overview page

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!

100%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:247
Current stretch spotless days:20

This day in history*

Solar flares
11998X3.7
21998X2.5
32001M9.9
42001M3.8
51998M1.8
ApG
1199744G2
2200330G2
3200226G1
4201612
5200712
*since 1994

Social networks