Viewing archive of Friday, 15 April 2011

Geophysical report

Solar and Geophysical Activity Summary 2011 Apr 15 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 105 Issued at 0245Z on 15 Apr 2011 This report is compiled from data received at SWO on 14 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0041 0048 0057  1190 N11E01 C1.5  Sf 160                           
 0352 0352 0352                       120                           
 0656 0700 0706  1190 N16W00 C1.6  Sf                               
 1416 1416 1416                       110                           
 1707 1710 1713  1190 N16W05 C1.1  Sf                               
 1856 1859 1901  1186 N22W42 B8.2  Sf 160                           
 2240 2241 2242                       200                           
B. Proton Events
None
C. Geomagnetic Activity Summary
Geomagnetic activity was at quiet to unsettled levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 119  SSN 131  Afr/Ap 003/007   X-ray Background B5.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.0e+05   GT 10 MeV 1.3e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 6.90e+07 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 2 2 1 1 1 0 3 Planetary 1 2 2 1 1 3 2 3 
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 days293 days
2020157 days (71%)
Last spotless day2020/07/20

This day in history*

Solar flares
12011M3.5
21998M3.0
32000M1.9
42011C7.7
52016C5.6
ApG
1200333G1
2199521G1
3201610
4201510
5201210G1
*since 1994

Social networks