Viewing archive of Wednesday, 2 December 1998
Solar activity report
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 336 Issued at 2200Z on 02 DEC 1998IA. 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 DEC to 05 DEC
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | GREEN | ||
IV. Penticton 10.7 cm Flux
Observed 02 DEC 152 Predicted 03 DEC-05 DEC 150/148/146 90 Day Mean 02 DEC 131
V. Geomagnetic A Indices
OBSERVED AFR/AP 01 DEC 010/013 ESTIMATED AFR/AP 02 DEC 005/012 PREDICTED AFR/AP 03 DEC-05 DEC 010/010-010/010-010/010
VI. Geomagnetic Activity Probabilities 03 DEC to 05 DEC
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
All times in UTC
Current data suggests there is a high possibility for aurora to appear at the following high latitude regions in the near future
Gillam, MBCurrent data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Iqaluit, NUNuuk
Reykjavik
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Edmonton, AB, Saskatoon, SKTórshavn
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Calgary, AB, Thunder Bay, ON, Winnipeg, MBLatest news
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
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
03:15 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 02:59 UTC
01:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 01:36 UTC
00:18 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 101GW at 01:06 UTC
Friday, 21 March 2025
23:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:30 UTC
23:12 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 77GW at 00:01 UTC
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.4 -16.2 |
| Last 30 days | 140.3 -10.9 |