Viewing archive of Saturday, 17 February 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Feb 17 0245 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 048 Issued at 0245Z on 17 Feb 2001 This report is compiled from data received at SWO on 16 Feb
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
B. Proton Events
C. Geomagnetic Activity Summary
The geomagnetic field was quiet.
D. Stratwarm
Stratwarm Alert / Friday / Stratwarm Exists Major warming continues. Reversed temperature gradient between middle latitudes and the pole, and net easterly winds at 60n in the lower and mid stratosphere.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 130  SSN 133  Afr/Ap 003/003   X-ray Background B3.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.2e+05   GT 10 MeV 1.0e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 5.70e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 0 1 0 1 1 2 1 2 Planetary 0 0 0 1 1 1 2 2
F. Comments
  AUTODIN transmission of the following bulletins will
cease on 15 Feb 01: FXXX01 KBOU, AXXX01 KBOU, AXXX02 KBOU, and
AXXX03 KBOU. The bulletins will still be available via the Internet
at for military users and for
non-military users.  If web access is not acceptable or you have any
questions, please contact Mr. Jerry Sanders at DSN 271-1399 COMM
402-294-1399), e-mail

<< Go to daily overview page


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!


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 days309 days
2020144 days (77%)
Last spotless day2020/07/06

This day in history*

Solar flares
*since 1994

Social networks