Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 18 Jun 2009

By SpaceRef Editor
June 20, 2009
Filed under , , ,

:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Jun 18 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 169 Issued at 2200Z on 18 Jun 2009
IA. Analysis of Solar Active Regions and Activity from 17/2100Z
to 18/2100Z: Solar activity was very low for the past 24 hours. The
only region on the disk, Region 1021 (S16W84), has decayed to
spotless plage.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low for the next three days (19-21 June).
IIA. Geophysical Activity Summary 17/2100Z to 18/2100Z:
The geomagnetic field was quiet for the past 24 hours.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to remain quiet for the next three days (19-21 June).
III. Event Probabilities 19 Jun-21 Jun
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 18 Jun 068
Predicted 19 Jun-21 Jun 068/068/068
90 Day Mean 18 Jun 070
V. Geomagnetic A Indices
Observed Afr/Ap 17 Jun 001/003
Estimated Afr/Ap 18 Jun 002/002
Predicted Afr/Ap 19 Jun-21 Jun 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 19 Jun-21 Jun
A. Middle Latitudes
Active 10/10/10
Minor storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 10/10/10
Minor storm 05/05/05
Major-severe storm 01/01/01

SpaceRef staff editor.