Viewing archive of Tuesday, 3 May 2022
Solar activity report
Report of Solar-Geophysical Activity 2022 May 03 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 123 Issued at 2200Z on 03 May 2022IA. Analysis of Solar Active Regions and Activity from 02-2100Z to 03-2100Z Solar activity has been at high levels for the past 24 hours.
The largest solar event of the period was a X1 event observed at
03/1325Z from Region 3004 (S15W02). There are currently 3 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is likely to be moderate
with a chance for X-class flares on days one, two, and three (04 May, 05
May, 06 May).
IIA. Geophysical Activity Summary 02-2100Z to 03-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 625 km/s at 02/2242Z. Total IMF reached 6 nT at
02/2249Z. The maximum southward component of Bz reached -3 nT at
03/1933Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 2317 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (04 May, 05 May, 06
May).
III. Event Probabilities 04 May to 06 May
| Class M | 55% | 55% | 55% |
| Class X | 25% | 25% | 25% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 03 May 114 Predicted 04 May-06 May 115/120/125 90 Day Mean 03 May 119
V. Geomagnetic A Indices
Observed Afr/Ap 02 May 006/006 Estimated Afr/Ap 03 May 006/006 Predicted Afr/Ap 04 May-06 May 005/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 04 May to 06 May
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 10% |
| Minor storm | 01% | 01% | 01% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 20% |
| Major-severe storm | 10% | 10% | 10% |
All times in UTC
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.3 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 133.3 +47.4 |
| Last 30 days | 96.9 +35.1 |
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