Viewing archive of Sunday, 21 November 1999

Geophysical report

Solar and Geophysical Activity Summary 1999 Nov 21 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 325 Issued at 0245Z on 21 NOV 1999 This report is compiled from data received at SWO on 20 NOV
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1216 1216 1216                       290
1737 1738 1739                       130
2217 2235 2251  8771 S15E19 M3.2  2B 93     39     II
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET TO UNSETTLED.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 204  SSN 225  AFR/AP 012/009   X-RAY BACKGROUND C1.0
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 3.1E+06   GT 10 MEV 1.7E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.60E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 4 3 2 3 1 2 2 1 PLANETARY 3 3 2 2 2 2 2 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%
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare2023/08/07X1.51
Last M-flare2023/11/28M9.8
Last geomagnetic storm2023/11/25Kp6 (G2)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 202399.4 -34.2

This day in history*

Solar flares
11997M6.4
22001M5.5
32020M4.4
42016M1.2
52001M1.1
ApG
1200056G3
220059G1
3202220
4200417
5199515
*since 1994

Social networks