Viewing archive of Thursday, 31 December 1998

Geophysical report

Solar and Geophysical Activity Summary 1998 Dec 31 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 365 Issued at 0245Z on 31 DEC 1998 This report is compiled from data received at SWO on 30 DEC
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0906 0906 0907                       290
1950 1951 1951                       190
B. Proton Events
None.
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD HAS BEEN MOSTLY QUIET TO UNSETTLED.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 179  SSN 186  AFR/AP 003/006   X-RAY BACKGROUND B9.9
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 1.5E+05   GT 10 MEV 1.6E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 5.40E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 2 2 0 0 0 1 2 PLANETARY 2 2 2 1 1 2 2 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%

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/10/26Kp5 (G1)
Number of spotless days in 2019:247
Current stretch spotless days:20

This day in history*

Solar flares
11998X3.7
21998X2.5
32001M9.9
42001M3.8
51998M1.8
ApG
1199744G2
2200330G2
3200226G1
4201612
5200712
*since 1994

Social networks