:Product: 0628RSGA.txt
:Issued: 2009 Jun 28 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 Report of Solar and Geophysical Activity
SDF Number 179 Issued at 2200Z on 28 Jun 2009
IA.  Analysis of Solar Active Regions and Activity from  27/2100Z
to 28/2100Z:  Solar activity was very low. No flares were detected.
The visible disk was spotless.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.
IIA.  Geophysical Activity Summary 27/2100Z to 28/2100Z:
Geomagnetic field activity ranged from quiet to active levels. Active
levels occurred after 28/1700Z. ACE solar wind data indicated the
active levels were associated with periods of increased velocities
(peak 426 km/sec at 28/2042Z), sustained southward IMF Bz (minimum
-12 nT at 28/1917Z), and enhanced IMF Bt (peak 12 nT at 28/1918Z);
all of which were associated with a favorably positioned coronal
hole.
IIB.  Geophysical Activity Forecast:  Geomagnetic field activity is
expected to be at predominantly quiet levels with a chance for
unsettled levels through the period (29 June - 01 July).
III.  Event Probabilities 29 Jun-01 Jul
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           28 Jun 067
Predicted   29 Jun-01 Jul  067/067/067
90 Day Mean        28 Jun 070
V.  Geomagnetic A Indices
Observed Afr/Ap 27 Jun  004/003
Estimated Afr/Ap 28 Jun  008/010
Predicted Afr/Ap 29 Jun-01 Jul  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 29 Jun-01 Jul
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           05/05/05
Major-severe storm    01/01/01