Viewing archive of Sunday, 3 May 1998
Geophysical report
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Solar and Geophysical Activity Summary 1998 May 03 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 123 Issued at 0245Z on 03 MAY 1998 This report is compiled from data received at SWO on 02 MAYA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0109 0111 0112 120 0354 0354 0354 140 0448 0500 0521 8210 S20W07 C5.4 SF 2600 530 0525 0525 0525 720 0759 0800 0803 300 1331 1342 1351 8210 S15W15 X1.1 3B 14000 1300 IV
B. Proton Events
A GREATER THAN 100MEV PROTON EVENT BEGAN AT
1405UT AND REACHED MAXIMUM OF 7.6PFU AT 1540UT. THE GREATER THAN
10MEV PROTON FLUXES REACHED EVENT THRESHOLDS AT 1420UT AND REACHED A
MAXIMUM OF 150PFU AT 1650UT. THIS EVENT IS ASSOCIATED WITH X1.1
FLARE AT 1331UT AND REMAINS IN PROGRESS.
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD RANGED FROM
UNSETTLED TO MAJOR STORM LEVELS. ENERGETIC ELECTRON FLUXES WERE ARE
NORMAL LEVELS.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 117 SSN 110 AFR/AP 041/056 X-RAY BACKGROUND B4.2 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.6E+07 GT 10 MEV 2.4E+06 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.60E+07 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 3 6 6 5 5 5 3 5 PLANETARY 3 5 5 6 7 6 4 5
F. Comments
None
All times in UTC
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