Viewing archive of Saturday, 29 June 2024
Solar activity report
Report of Solar-Geophysical Activity 2024 Jun 29 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 181 Issued at 2200Z on 29 Jun 2024IA. Analysis of Solar Active Regions and Activity from 28-2100Z to 29-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C5 event observed at
29/1538Z from Region 3734 (N08E70). There are currently 15 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 (30 Jun, 01 Jul,
02 Jul).
IIA. Geophysical Activity Summary 28-2100Z to 29-2100Z
The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 512 km/s at 29/1338Z. Total IMF reached 11
nT at 28/2102Z. The maximum southward component of Bz reached -8 nT at
29/1946Z.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to unsettled levels on day one (30 Jun) and quiet to
active levels on days two and three (01 Jul, 02 Jul).
III. Event Probabilities 30 Jun to 02 Jul
| Class M | 30% | 30% | 30% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 29 Jun 186 Predicted 30 Jun-02 Jul 190/195/200 90 Day Mean 29 Jun 178
V. Geomagnetic A Indices
Observed Afr/Ap 28 Jun 032/066 Estimated Afr/Ap 29 Jun 014/016 Predicted Afr/Ap 30 Jun-02 Jul 008/008-011/015-010/012
VI. Geomagnetic Activity Probabilities 30 Jun to 02 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 30% | 30% |
| Minor storm | 05% | 15% | 15% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 30% | 30% |
| Major-severe storm | 25% | 45% | 45% |
All times in UTC
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 156.1 +4.7 |