Viewing archive of Friday, 8 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 08 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 128 Issued at 0245Z on 08 MAY 1998 This report is compiled from data received at SWO on 07 MAYA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0044 0044 0044 260 0106 0110 0112 8214 N29W40 C3.5 SF 490 17 0455 0456 0456 180 0532 0532 0533 850 37 1105 1116 1127 8214 N29W47 M2.9 1B 26 1331 1350 1405 8214 N28W47 M1.3 SF 150 22 1844 1844 1844 130 1923 1925 1925 100 2236 2236 2237 200
B. Proton Events
THE GT 10 MEV EVENT THAT BEGAN ON 06/0835Z ENDED
AT 07/0140Z.
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS
PREDOMINANTLY QUIET TO UNSETTLED. BRIEF ACTIVE CONDITIONS AT HIGH
LATITUDES WERE OBSERVED FROM 07/0900-1200Z.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 123 SSN 082 AFR/AP 011/013 X-RAY BACKGROUND C2.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 1.6E+07 GT 10 MEV 3.7E+05 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 1.10E+09 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 2 3 3 3 2 2 2 3 PLANETARY 3 3 2 4 2 3 3 3
F. Comments
THE ENERGETIC ELECTRON FLUENCE AT GEOSYNCHRONOUS ORBIT WAS VERY HIGH. A MODERATE INTENSITY 245 MHZ RADIO NOISE STORM WAS IN PROGRESS FOR THE MAJORITY OF THE PERIOD.
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