Viewing archive of Saturday, 16 December 2006

Geophysical report

Solar and Geophysical Activity Summary 2006 Dec 16 0248 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 350 Issued at 0245Z on 16 Dec 2006 This report is compiled from data received at SWO on 15 Dec
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0848 0909 0926  0930 S09W49       Sf 120                           
 2107 2215 2226  0930 S05W31 X1.5  Sf 99     620    II              
 2220 0000 0030                                        IV           
 2222 0000 0000                                        IV           
B. Proton Events
A 100 MeV proton event commenced 14/2255Z, reached a 2.3 pfu maximum at 15/0015Z and ended 15/0325Z. The greater than 10 MeV proton event that commenced 13/0310Z, reached a 698 pfu maximum at 13/0925Z and ended at 15/1620Z. The greater than 2 MeV electrons reached high levels today.
C. Geomagnetic Activity Summary
The geomagnetic field reached severe storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 087  SSN 019  Afr/Ap 060/104   X-ray Background A9.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.2e+08   GT 10 MeV 2.2e+06 p/(cm2-ster-day)
(GOES-11 satellite synchronous orbit W136 degrees)
Daily Electron Fluence
GT 2 MeV 5.40e+08 e/(cm2-ster-day)
(GOES-12 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 7 7 6 6 6 3 3 3 Planetary 8 8 7 6 7 4 4 3 
F. Comments
  The greater than 2 MeV electron fluence at
geosynchronous orbit was at high levels today.

<< Go to daily overview page

Latest news


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!


Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/09/28Kp5 (G1)
Number of spotless days in 2019:219
Current stretch spotless days:21

This day in history*

Solar flares
*since 1994

Social networks