SpaceRef

SpaceRef


Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 7 August 2019

Status Report From: Space Weather Prediction Center (NOAA)
Posted: Wednesday, August 7, 2019

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 219 Issued at 2200Z on 07 Aug 2019 IA. Analysis of Solar Active Regions and Activity from 06/2100Z to 07/2100Z: 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 (08 Aug, 09 Aug, 10 Aug). IIA. Geophysical Activity Summary 06/2100Z to 07/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 622 km/s at 07/0042Z. Total IMF reached 5 nT at 07/1206Z. The maximum southward component of Bz reached -3 nT at 07/2052Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 26137 pfu.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (08 Aug, 09 Aug, 10 Aug). III. Event probabilities 08 Aug-10 Aug Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 07 Aug 068 Predicted 08 Aug-10 Aug 068/068/068 90 Day Mean 07 Aug 068 V. Geomagnetic A Indices Observed Afr/Ap 06 Aug 010/012 Estimated Afr/Ap 07 Aug 006/007 Predicted Afr/Ap 08 Aug-10 Aug 005/005-006/005-005/006 VI. Geomagnetic Activity Probabilities 08 Aug-10 Aug A. Middle Latitudes Active 10/10/15 Minor Storm 01/01/05 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 20/15/15


// end //

More status reports and news releases or top stories.

Please follow SpaceRef on Twitter and Like us on Facebook.