Viewing archive of Monday, 21 April 2008

Geophysical report

Solar and Geophysical Activity Summary 2008 Apr 21 0247 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 112 Issued at 0245Z on 21 Apr 2008 This report is compiled from data received at SWO on 20 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 071  SSN 012  Afr/Ap 005/004   X-ray Background  LT A1.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.0e+06   GT 10 MeV 1.8e+04 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W135 degrees)
Daily Electron Fluence
GT 2 MeV 3.00e+07 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 0 1 1 1 3 2 1 Planetary 2 0 0 0 1 2 1 2 
F. Comments
  None

<< Go to daily overview page

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!

79%

Space weather facts

Last X-flare2017/09/10X8.2
Last M-flare2020/05/29M1.1
Last geomagnetic storm2020/04/20Kp5 (G1)
Spotless days
Last 365 days295 days
2020157 days (73%)
Last spotless day2020/07/20

This day in history*

Solar flares
12011M9.3
22002M6.6
31999M6.0
41999M1.2
52001C9.6
ApG
1201049G2
2201722
3200017
4201616
5201315G1
*since 1994

Social networks