Viewing archive of Wednesday, 15 December 1999

Geophysical report

Solar and Geophysical Activity Summary 1999 Dec 15 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 349 Issued at 0245Z on 15 DEC 1999 This report is compiled from data received at SWO on 14 DEC
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1158 1158 1159                       170
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET. THE DISTURBANCE OBSERVED ON 13 DEC ENDED QUICKLY AFTER 13/1800Z.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 168  SSN 139  AFR/AP 003/003   X-RAY BACKGROUND B6.8
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 5.9E+04   GT 10 MEV 1.1E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 8.70E+04 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 1 1 1 0 2 2 0 PLANETARY 1 0 0 0 2 1 1 1
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!

93%

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:2019/06/08Kp5 (G1)
Number of spotless days in 2019:110
Last spotless day:2019/06/23

This day in history*

Solar flares
11998M1.0
21999M1.0
32000C9.3
42003C3.9
52004C3.6
ApG
1200331G1
2199925G1
3200018
4199717G1
5199414
*since 1994

Social networks