Viewing archive of Sunday, 9 May 1999
Geophysical report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 129 Issued at 0245Z on 09 MAY 1999 This report is compiled from data received at SWO on 08 MAYA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1036 1058 1114 8541 N18E64 M1.6 SF 57 30 IV 1422 1440 1501 8526 N23W75 M4.6 1F 58 90 II/IV 1640 1641 1642 110
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 172 SSN 192 AFR/AP 006/006 X-RAY BACKGROUND C1.6 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 3.6E+06 GT 10 MEV 3.4E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 6.40E+07 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 1 2 1 2 2 1 1 2 PLANETARY 2 2 1 2 2 2 2 2
F. Comments
None
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MB, Yellowknife, NTLatest news
Strong G3 geomagnetic storm watch for 23 March
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
Latest forum messages
Support 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!
Latest alerts
02:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 02:33 UTC
Saturday, 22 March 2025
23:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:37 UTC
Strong G3 geomagnetic storm watch for 23 March
Yesterday around 16 UTC an M1.2 solar flare took place around sunspot region 4028. The solar flare triggered a filament eruption which erupted from the center of the earth-facing solar disk.
12:18 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 75GW at 13:10 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/22 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 140.6 -14 |
| Last 30 days | 138.7 -14.7 |