Viewing archive of Sunday, 14 April 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Apr 14 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 104 Issued at 0245Z on 14 Apr 2002 This report is compiled from data received at SWO on 13 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0458 0458 0458                       100
0519 0519 0519                       140
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled levels. A 24 nT sudden impulse was observed on the boulder magnetometer at 12/2243 UTC. The sudden impulse is likely the result of a weak CME shock passage.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 226  SSN 257  Afr/Ap 012/014   X-ray Background C1.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.7e+05   GT 10 MeV 1.3e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.20e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 2 3 3 3 3 2 3 Planetary 3 2 3 4 3 3 3 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:2019/09/02Kp5 (G1)
Number of spotless days in 2019:183
Current stretch spotless days:13

This day in history*

Solar flares
12005X1.1
22000M2.1
32000M2.0
42001M1.5
52005M1.3
ApG
1200552G3
2201734G2
3199927G2
4199526G1
5200120
*since 1994

Social networks