Viewing archive of Thursday, 13 February 2020
Solar activity report
Report of Solar-Geophysical Activity 2020 Feb 13 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 44 Issued at 2200Z on 13 Feb 2020IA. Analysis of Solar Active Regions and Activity from 12-2100Z to 13-2100Z 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 (14 Feb, 15 Feb, 16 Feb).
IIA. Geophysical Activity Summary 12-2100Z to 13-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 390 km/s at 12/2123Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 781 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet levels on days one, two, and three (14 Feb, 15 Feb, 16
Feb).
III. Event Probabilities 14 Feb to 16 Feb
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 13 Feb 071 Predicted 14 Feb-16 Feb 070/070/070 90 Day Mean 13 Feb 071
V. Geomagnetic A Indices
Observed Afr/Ap 12 Feb 004/003 Estimated Afr/Ap 13 Feb 003/003 Predicted Afr/Ap 14 Feb-16 Feb 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 14 Feb to 16 Feb
| 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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