Viewing archive of Monday, 9 November 1998

Geophysical report

Solar and Geophysical Activity Summary 1998 Nov 09 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 313 Issued at 0245Z on 09 NOV 1998 This report is compiled from data received at SWO on 08 NOV
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0019 0021 0022                       200
0151 0152 0203  8375 N22W49       SF 2400
0343 0344 0344                       380
0451 0451 0452                       230
0630 0630 0631                       120
1337 1337 1344  8375 N14W58       SF 680
1427 1712 1921  8375 N19W58       2B
1438 1438 1439                       350
1704 1712 1722  8375 N19W58 M2.7  1N
2155 2158 2203  8376 S28W35       SF 200
2237 2256 2310  8375 N21W61 M1.1  1F
B. Proton Events
THE GT 10 MEV LEVELS ROSE ABOVE THE 10 PFU THRESHOLD FOR 25 MINUTES STARTING AT 08/0245UT. LEVELS DECLINED TO LOW LEVELS OVER THE REMAINDER OF THE PERIOD.
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET TO SEVERE STORM. THE CME REPORTED ON 5 NOV ARRIVED AT AND INTERACTED WITH THE EARTH'S MAGNETOSPHERE, CAUSING SEVERE STORM CONDITIONS DURING THE 06-09UT PERIOD. THE GT 10 MEV PROTONS CLIMBED PAST THE 10 PFU THRESHOLD FOR APPROXIMATELY 25 MINUTES STARTING AT 08/0245UT. THEY HAVE DECLINED TO LOW LEVELS SINCE THAT TIME.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 153  SSN 137  AFR/AP 047/068   X-RAY BACKGROUND C1.3
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 2.9E+07   GT 10 MEV 2.3E+05 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 9.90E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 5 6 7 5 4 3 2 3 PLANETARY 5 7 8 6 4 3 2 3
F. Comments
  None


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