Viewing archive of Saturday, 2 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 02 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 122 Issued at 0245Z on 02 MAY 1998 This report is compiled from data received at SWO on 01 MAYA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0000 0000 1722 8210 IV 0130 0130 0131 140 0325 0330 0330 1700 0332 0333 0333 310 0340 0340 0345 100 0618 0620 0621 120 1222 1222 1222 310 1239 1242 1244 980 1254 1300 1304 8214 N25E40 M1.1 1N 1441 1453 1500 8210 S21W03 C1.7 SF 230 1730 1730 1730 200 1731 1757 1817 8214 N26E38 C2.1 SF 470 2008 2030 2035 8210 N26E37 C2.8 SF 100 2100 2102 2104 170 2236 2254 2308 8214 N25E35 M1.2 SF 700 56
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET
UNTIL 01/2158UT WHEN A SUDDEN IMPULSE OF 36NT AT BOULDER WAS
OBSERVED. THIS SUDDEN IMPULSE IS BELIEVED TO BE ASSOCIATED WITH THE
M6 FLARE AND CME OBSERVED ON 29 APR. THE FIELD HAS BEEN AT ACTIVE
LEVELS SINCE THE SUDDEN IMPULSE. ENERGETIC ELECTRON FLUXES AT
GEOSYNCHRONOUS ORBITS WAS LOW TO NORMAL.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 113 SSN 089 AFR/AP 008/008 X-RAY BACKGROUND B2.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 2.0E+07 GT 10 MEV 9.2E+04 P/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 7.60E+06 E/(CM2-STER-DAY) GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES) 3 HOUR K-INDICES: BOULDER 1 2 2 2 2 1 1 4 PLANETARY 2 2 2 1 2 2 1 4
F. Comments
None
All times in UTC
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