SpaceRef

SpaceRef


Joint USAF/NOAA Solar Geophysical Activity Report and Forecast 13 April 2019

Status Report From: Space Weather Prediction Center (NOAA)
Posted: Saturday, April 13, 2019

Joint USAF/NOAA Solar Geophysical Activity Report and Forecast SDF Number 103 Issued at 2200Z on 13 Apr 2019 IA. 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 1 numbered sunspot regions on the disk.

IB. Solar Activity Forecast: Solar activity is expected to be very low with a slight chance for a C-class flare on days one, two, and three (14 Apr, 15 Apr, 16 Apr). IIA. Geophysical Activity Summary 12/2100Z to 13/2100Z: The geomagnetic field has been at quiet to unsettled levels for the past 24 hours. Solar wind speed reached a peak of 464 km/s at 13/0252Z. Total IMF reached 7 nT at 12/2325Z. The maximum southward component of Bz reached -5 nT at 12/2252Z. Electrons greater than 2 MeV at geosynchronous orbit reached a peak level of 4636 pfu.

IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet levels on days one, two, and three (14 Apr, 15 Apr, 16 Apr). III. Event probabilities 14 Apr-16 Apr Class M 01/01/01 Class X 01/01/01 Proton 01/01/01 PCAF green IV. Penticton 10.7 cm Flux Observed 13 Apr 078 Predicted 14 Apr-16 Apr 078/078/078 90 Day Mean 13 Apr 072 V. Geomagnetic A Indices Observed Afr/Ap 12 Apr 007/006 Estimated Afr/Ap 13 Apr 008/010 Predicted Afr/Ap 14 Apr-16 Apr 006/005-006/005-006/005 VI. Geomagnetic Activity Probabilities 14 Apr-16 Apr A. Middle Latitudes Active 10/15/10 Minor Storm 05/01/01 Major-severe storm 01/01/01 B. High Latitudes Active 15/15/15 Minor Storm 20/20/20 Major-severe storm 20/10/20


// end //

More status reports and news releases or top stories.

Please follow SpaceRef on Twitter and Like us on Facebook.

NanoRacks