Viewing archive of Friday, 5 July 2024
Solar activity report
Report of Solar-Geophysical Activity 2024 Jul 05 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 187 Issued at 2200Z on 05 Jul 2024IA. Analysis of Solar Active Regions and Activity from 04-2100Z to 05-2100Z Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C9 event observed at
05/1903Z. There are currently 8 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 (06 Jul, 07 Jul,
08 Jul).
IIA. Geophysical Activity Summary 04-2100Z to 05-2100Z
The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 389 km/s at 05/1007Z. Total IMF reached 11
nT at 05/0540Z. The maximum southward component of Bz reached -7 nT at
05/1103Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 171 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one and two (06 Jul, 07 Jul) and quiet to
active levels on day three (08 Jul).
III. Event Probabilities 06 Jul to 08 Jul
| Class M | 35% | 35% | 35% |
| Class X | 05% | 05% | 05% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 05 Jul 166 Predicted 06 Jul-08 Jul 165/165/160 90 Day Mean 05 Jul 182
V. Geomagnetic A Indices
Observed Afr/Ap 04 Jul 010/011 Estimated Afr/Ap 05 Jul 008/008 Predicted Afr/Ap 06 Jul-08 Jul 005/005-006/005-010/012
VI. Geomagnetic Activity Probabilities 06 Jul to 08 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 10% | 30% |
| Minor storm | 01% | 01% | 15% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 20% | 30% |
| Major-severe storm | 20% | 20% | 45% |
All times in UTC
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 103.3 -49.2 |
| Last 30 days | 115.4 -40.8 |