Viewing archive of Tuesday, 24 February 2026
Solar activity report
Report of Solar-Geophysical Activity 2026 Feb 24 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 55 Issued at 2200Z on 24 Feb 2026IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z Solar activity has been at low levels for the past 24 hours.
There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be low with a
slight chance for an M-class flare on days one, two, and three (25 Feb,
26 Feb, 27 Feb).
IIA. Geophysical Activity Summary 23-2100Z to 24-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 707 km/s at 23/2109Z. Total IMF reached 5
nT at 24/2057Z. The maximum southward component of Bz reached -4 nT at
24/2057Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 13748 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on days one and two (25 Feb, 26 Feb) and
quiet to unsettled levels on day three (27 Feb).
III. Event Probabilities 25 Feb to 27 Feb
| Class M | 10% | 10% | 10% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 24 Feb 120 Predicted 25 Feb-27 Feb 120/122/125 90 Day Mean 24 Feb 150
V. Geomagnetic A Indices
Observed Afr/Ap 23 Feb 017/023 Estimated Afr/Ap 24 Feb 013/016 Predicted Afr/Ap 25 Feb-27 Feb 012/014-011/012-008/010
VI. Geomagnetic Activity Probabilities 25 Feb to 27 Feb
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 25% | 15% |
| Minor storm | 10% | 05% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 20% |
| Minor storm | 30% | 25% | 30% |
| Major-severe storm | 40% | 30% | 25% |
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 74.6 -38 |
| Last 30 days | 79 -41.8 |