Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 20 Jun 2009

By SpaceRef Editor
June 22, 2009
Filed under , , ,

:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Jun 20 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 171 Issued at 2200Z on 20 Jun 2009
IA. Analysis of Solar Active Regions and Activity from 19/2100Z
to 20/2100Z: Solar activity was very low. No flares were observed.
The visible disk remained spotless.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low for the next three days (21 – 23 June).
IIA. Geophysical Activity Summary 19/2100Z to 20/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to remain quiet for the next three days (21 – 23 June).
III. Event Probabilities 21 Jun-23 Jun
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 20 Jun 067
Predicted 21 Jun-23 Jun 068/068/068
90 Day Mean 20 Jun 070
V. Geomagnetic A Indices
Observed Afr/Ap 19 Jun 001/004
Estimated Afr/Ap 20 Jun 004/005
Predicted Afr/Ap 21 Jun-23 Jun 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 21 Jun-23 Jun
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01

SpaceRef staff editor.