Viewing archive of Tuesday, 25 January 2000
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 025 Issued at 2200Z on 25 JAN 2000IA. Analysis of Solar Active Regions and Activity from 24-2100Z to 25-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 24-2100Z to 25-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 26 JAN to 28 JAN
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 25 JAN 137 Predicted 26 JAN-28 JAN 135/130/130 90 Day Mean 25 JAN 176
V. Geomagnetic A Indices
OBSERVED AFR/AP 24 JAN 012/017 ESTIMATED AFR/AP 25 JAN 008/007 PREDICTED AFR/AP 26 JAN-28 JAN 005/010-015/018-020/025
VI. Geomagnetic Activity Probabilities 26 JAN to 28 JAN
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 40% | 50% |
| Minor storm | 05% | 15% | 20% |
| Major-severe storm | 01% | 01% | 05% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 25% | 50% | 60% |
| Minor storm | 10% | 20% | 25% |
| Major-severe storm | 01% | 05% | 10% |
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
Whitehorse, YTCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Saskatoon, SKAnchorage, AK, Juneau, AK
Latest news
CME arrival, G3 storm watch
X1.1 solar flare
Coronal hole faces Earth
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
07:27 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 08:15 UTC
07:15 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 07:03 UTC
06:27 UTC - Coronal mass ejection arrival
CME impact detected - Current Solar Wind Speed 644km/sec - IMF: Bt (strength): 15nT & Bz: 0nT (South).
Tuesday, 22 April 2025
11:09 UTC - Solar flare
Moderate M1.35 flare
10:39 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.03)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 121.5 -12.7 |
| Last 30 days | 114.6 -22.2 |