Viewing archive of Sunday, 14 July 2019
Solar activity report
Any mentioned solar flare in this report has a scaling factor applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor, solar flares are reported as 42% smaller than for the science quality data. The scaling factor has been removed from our archived solar flare data to reflect the true physical units.
Report of Solar-Geophysical Activity 2019 Jul 14 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 195 Issued at 2200Z on 14 Jul 2019IA. Analysis of Solar Active Regions and Activity from 13-2100Z to 14-2100Z 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 (15 Jul, 16 Jul, 17 Jul).
IIA. Geophysical Activity Summary 13-2100Z to 14-2100Z
The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 489 km/s at 14/0933Z. Total IMF reached 5 nT at
13/2201Z. The maximum southward component of Bz reached -4 nT at
14/1956Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 4208 pfu.
IIB. Geophysical Activity Forecast
The geomagnetic field is expected
to be at quiet to active levels on days one and two (15 Jul, 16 Jul) and
quiet to unsettled levels on day three (17 Jul).
III. Event Probabilities 15 Jul to 17 Jul
| Class M | 01% | 01% | 01% |
| Class X | 01% | 01% | 01% |
| Proton | 01% | 01% | 01% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 14 Jul 067 Predicted 15 Jul-17 Jul 067/067/067 90 Day Mean 14 Jul 069
V. Geomagnetic A Indices
Observed Afr/Ap 13 Jul 006/006 Estimated Afr/Ap 14 Jul 005/005 Predicted Afr/Ap 15 Jul-17 Jul 007/010-011/012-008/008
VI. Geomagnetic Activity Probabilities 15 Jul to 17 Jul
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 30% | 30% | 20% |
| Minor storm | 10% | 10% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 30% | 30% | 25% |
| Major-severe storm | 35% | 35% | 30% |
All times in UTC
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