Viewing archive of Monday, 18 April 2016

Geophysical report

Solar and Geophysical Activity Summary 2016 Apr 18 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 109 Issued at 0245Z on 18 Apr 2016 This report is compiled from data received at SWO on 17 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 active with an isolated minor storm period due to a co-rotating interaction region ahead of an anticipated coronal hole high speed stream.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 102  SSN 035  Afr/Ap 017/021   X-ray Background B2.8
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.4e+06   GT 10 MeV 1.3e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.60e+07 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 4 5 3 2 4 4 3 2 Planetary 4 5 3 2 3 3 4 3 
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%

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 2019:216
Current stretch spotless days:18

This day in history*

Solar flares
12012M9.0
22014M4.5
32014M3.9
42004M2.6
52003M1.9
ApG
1200336G2
2199534G2
3201424G1
4199822G1
5199616
*since 1994

Social networks