Viewing archive of Saturday, 3 July 1999
Geophysical report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 184 Issued at 0245Z on 03 JUL 1999 This report is compiled from data received at SWO on 02 JULA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0129 0138 0147 8611 S27E05 M2.5 1B 71 0417 0418 0419 180 0503 0504 0509 8613 N18E44 SF 350 0517 0519 0519 190 0558 0559 0559 230 1418 1418 1419 130 1512 1520 1530 8611 S27E01 M1.6 SF 58 1656 1656 1657 660 1747 1759 1806 8603 S15W31 C1.4 SF 120 2238 2242 2247 C1.4 260 2252 2253 2253 460
B. Proton Events
C. Geomagnetic Activity Summary
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 187 SSN 232 AFR/AP 022/026 X-RAY BACKGROUND C1.4 DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS) GT 1 MEV 8.9E+05 GT 10 MEV 1.5E+04 P/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) DAILY ELECTRON FLUENCE GT 2 MEV 4.70E+06 E/(CM2-STER-DAY) (GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES) 3 HOUR K-INDICES: BOULDER 4 3 4 4 2 5 4 5 PLANETARY 4 3 5 4 3 4 4 5
F. Comments
None
All times in UTC
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CME arrival, G3 storm watch
X1.1 solar flare
Coronal hole faces Earth
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Latest alerts
20:00 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 19:44 UTC
19:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:59 UTC
18:33 UTC - Solar flare
Moderate M1.31 flare from sunspot region 4055
CME arrival, G3 storm watch
A coronal mass ejection has arrived at our planet. This is the first of possibly two coronal mass ejections that were expected to arrive from filament eruptions on April 12 and 13. The minor G1 geomagnetic storm threshold has already been reached and the NOAA SWPC has a strong G3 geomagnetic storm watch in place for tomorrow, 16 April. Keep an eye on the data here on this website in the hours ahead. There is more action to come!
18:12 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.15)
Space weather facts
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| Last M-flare | 2025/04/14 | M4.2 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 128.8 -5.4 |
| Last 30 days | 129.1 -15.1 |