Viewing archive of Sunday, 13 September 1998

Geophysical report

Solar and Geophysical Activity Summary 1998 Sep 13 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 256 Issued at 0245Z on 13 SEP 1998 This report is compiled from data received at SWO on 12 SEP
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0747 0753 0755              C3.1     160
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET THROUGH 12/0600UT, THEN BECAME QUIET TO UNSETTLED THEREAFTER WITH ISOLATED ACTIVE TO MINOR STORM PERIODS DETECTED AT SOME HIGH LATITUDE STATIONS.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 135  SSN 118  AFR/AP 012/012   X-RAY BACKGROUND B5.7
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 2.5E+05   GT 10 MEV 2.0E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.80E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 2 3 3 2 3 2 2 PLANETARY 2 2 3 3 3 3 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%

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 2019:266
Current stretch spotless days:39

This day in history*

Solar flares
12001X2.8
22001M1.3
32002C7.1
42006C5.7
52015C5.6
ApG
1200340G2
2199833G1
3200521G1
4201519
5200716
*since 1994

Social networks