Viewing archive of Tuesday, 19 March 2002
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 2002 Mar 19 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 078 Issued at 0245Z on 19 Mar 2002 This report is compiled from data received at SWO on 18 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0045 0045 0045 300 0133 0145 0150 C1.1 240 0143 0144 0145 920 0216 0231 0400 M1.0 46 110 IV 0429 0429 0429 110 0923 0923 0923 150 0933 0933 0933 130 1247 1247 1247 550 1906 1918 1922 9871 S21E02 C8.9 1f 150 69 2147 2152 2155 9871 S19E01 C2.1 Sf 140
B. Proton Events
The greater than 10 MeV proton event that began
at 17/0820 UTC reached maximum of 13 pfu at 17/0850 UTC and ended at
17/1230 utc. A new greater than 10 MeV proton event began at 18/1300
UTC and continues in progress. The peak flux observed so far was 25
pfu at 18/1535 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from
quiet to active. A sudden impulse of 42 nT was observed in Boulder
at 19/1323 UTC.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 178 SSN 136 Afr/Ap 015/012 X-ray Background B6.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.9e+08 GT 10 MeV 9.6e+05 p/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.50e+06 e/(cm2-ster-day) (GOES-8 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 1 0 2 4 3 3 3 Planetary 2 1 0 2 4 3 4 3
F. Comments
None
All times in UTC
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
Filaments and prominences 488AR 13901 90Incoming & Unnumbered Active Regions 1245Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
More topicsSupport 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!
Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |