Viewing archive of Tuesday, 3 March 2026
Solar activity report
Report of Solar-Geophysical Activity 2026 Mar 03 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 62 Issued at 2200Z on 03 Mar 2026IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z Solar activity has been at low levels for the past 24 hours.
There are currently 4 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (04 Mar, 05 Mar,
06 Mar).
IIA. Geophysical Activity Summary 02-2100Z to 03-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 454 km/s at 03/2041Z. Total IMF reached 11
nT at 03/1522Z. The maximum southward component of Bz reached -9 nT at
03/2051Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 13163 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on day one (04 Mar), quiet to unsettled
levels on day two (05 Mar) and unsettled to active levels on day three
(06 Mar).
III. Event Probabilities 04 Mar to 06 Mar
| Class M | 25% | 25% | 25% |
| Class X | 05% | 05% | 05% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 03 Mar 144 Predicted 04 Mar-06 Mar 150/150/150 90 Day Mean 03 Mar 147
V. Geomagnetic A Indices
Observed Afr/Ap 02 Mar 004/005 Estimated Afr/Ap 03 Mar 008/010 Predicted Afr/Ap 04 Mar-06 Mar 009/010-007/008-018/022
VI. Geomagnetic Activity Probabilities 04 Mar to 06 Mar
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 15% | 35% |
| Minor storm | 05% | 01% | 10% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 30% | 25% | 30% |
| Major-severe storm | 35% | 20% | 45% |
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 | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 74.4 -3.8 |
| Last 30 days | 51.7 -77.2 |