:Product: 0611RSGA.txt
:Issued: 2025 Jun 11 2200 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 162 Issued at 2200Z on 11 Jun 2025

IA.  Analysis of Solar Active Regions and Activity from 10/2100Z to
11/2100Z: Solar activity has been at low levels for the past 24 hours.
There are currently 9 numbered sunspot regions on the disk.
IB.  Solar Activity Forecast: Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (12 Jun, 13 Jun,
14 Jun).

IIA.  Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 495 km/s at 11/1741Z. Total IMF reached 11
nT at 11/1623Z. The maximum southward component of Bz reached -10 nT at
11/1611Z.  Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 848 pfu.
IIB.  Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (12 Jun), quiet to active
levels on day two (13 Jun) and unsettled to major storm levels on day
three (14 Jun).

III.  Event probabilities 12 Jun-14 Jun
Class M    40/40/40
Class X    05/05/05
Proton     05/05/05
PCAF       green

IV.  Penticton 10.7 cm Flux
Observed           11 Jun 141
Predicted   12 Jun-14 Jun 120/120/120
90 Day Mean        11 Jun 151

V.  Geomagnetic A Indices
Observed Afr/Ap 10 Jun  011/ NA
Estimated Afr/Ap 11 Jun  011/014
Predicted Afr/Ap 12 Jun-14 Jun  008/008-011/015-024/032

VI.  Geomagnetic Activity Probabilities 12 Jun-14 Jun
A.  Middle Latitudes
Active                15/40/30
Minor Storm           05/20/40
Major-severe storm    01/05/25
B.  High Latitudes
Active                15/10/05
Minor Storm           25/30/20
Major-severe storm    25/55/75
