Viewing archive of Saturday, 2 July 2011
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 183 Issued at 2200Z on 02 Jul 2011IA. Analysis of Solar Active Regions and Activity from 01-2100Z to 02-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 01-2100Z to 02-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 03 Jul to 05 Jul
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | Green | ||
IV. Penticton 10.7 cm Flux
Observed 02 Jul 086 Predicted 03 Jul-05 Jul 086/086/086 90 Day Mean 02 Jul 101
V. Geomagnetic A Indices
Observed Afr/Ap 01 Jul 007/013 Estimated Afr/Ap 02 Jul 005/007 Predicted Afr/Ap 03 Jul-05 Jul 007/010-007/010-005/007
VI. Geomagnetic Activity Probabilities 03 Jul to 05 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 25% | 25% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 10% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 05% | 05% | 01% |
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MBCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Reykjavik
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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
01:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC
Tuesday, 1 April 2025
22:51 UTC - Solar flare
Moderate M2.5 flare
22:30 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.45)
07:15 UTC - 10cm Radio Burst
Begin Time: 01/04/2025 06:45 UTC Maximum Time: 01/04/2025 06:45 UTC Duration: 1 minutes. Peak flux: 190 sfu
07:06 UTC - Solar flare
Strong M5.61 flare
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.4 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| Last 30 days | 128.1 -22.5 |