Viewing archive of Tuesday, 10 April 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Apr 10 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 100 Issued at 0245Z on 10 Apr 2001 This report is compiled from data received at SWO on 09 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0159 0256 0414  9415 S22E06 C6.4  Sf 120000 350       IV
1127 1127 1139  9415 S16W02       Sf 880    48
1359 1359 1404  9415 S18W04       Sf 770    55
1520 1534 1600  9415 S21W04 M7.9  2b 6700   1600   II/IV
B. Proton Events
Proton fluxes greater > 10 MeV and > 100 MeV rose but did not reach event levels following the Class M flare at 09/1500 UT.
C. Geomagnetic Activity Summary
Geomagnetic active was quiet to active.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 165  SSN 185  Afr/Ap 017/019   X-ray Background C1.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 9.0e+06   GT 10 MeV 1.5e+05 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 7.40e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 4 4 3 3 4 3 2 Planetary 2 4 4 4 3 5 3 2
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 2019:190
Current stretch spotless days:20

This day in history*

Solar flares
12011X1.4
22011M1.1
32011C8.9
42000C8.5
52001C8.1
ApG
1199950G4
2199628G1
3201827G1
4200317
5200416
*since 1994

Social networks