Viewing archive of Monday, 24 February 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 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 2020IA. Analysis of Solar Active Regions and Activity from 23-2100Z to 24-2100Z Solar activity has been at very low levels for the past 24
hours. There are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast
Solar activity is expected to be very low
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 levels for the past 24 hours. Solar wind speed
reached a peak of 453 km/s at 24/0648Z. Total IMF reached 5 nT at
23/2104Z. The maximum southward component of Bz reached -4 nT at
23/2139Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 1568 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on day one (25 Feb) and quiet to unsettled levels
on days two and three (26 Feb, 27 Feb).
III. Event Probabilities 25 Feb to 27 Feb
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 24 Feb 070 Predicted 25 Feb-27 Feb 070/070/070 90 Day Mean 24 Feb 071
V. Geomagnetic A Indices
Observed Afr/Ap 23 Feb 004/003 Estimated Afr/Ap 24 Feb 004/006 Predicted Afr/Ap 25 Feb-27 Feb 006/005-006/008-008/008
VI. Geomagnetic Activity Probabilities 25 Feb to 27 Feb
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 10% | 20% | 20% |
| Minor storm | 01% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 20% | 25% | 25% |
| Major-severe storm | 20% | 25% | 25% |
All times in UTC
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