Status Report

Joint USAF/NOAA Report of Solar and Geophysical Activity 1 Jul 2009

By SpaceRef Editor
July 1, 2009
Filed under , , ,

:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Jul 01 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 182 Issued at 2200Z on 01 Jul 2009
IA. Analysis of Solar Active Regions and Activity from 30/2100Z
to 01/2100Z: Solar activity was very low. No flares occurred during
the past 24 hours. A small plage region was noticed near S27E45 but
has not yet been able to produce persistent spots. The remainder of
the solar disk was quiet and void of sunspots.
IB. Solar Activity Forecast: Solar activity is expected to be very
IIA. Geophysical Activity Summary 30/2100Z to 01/2100Z:
The geomagnetic field was quiet during the past 24 hours.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be mostly quiet with a chance for unsettled periods for
the first day (2 July). Activity levels are expected to be quiet for
the second and third days (3-4 July).
III. Event Probabilities 02 Jul-04 Jul
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 01 Jul 068
Predicted 02 Jul-04 Jul 068/068/068
90 Day Mean 01 Jul 070
V. Geomagnetic A Indices
Observed Afr/Ap 30 Jun 005/005
Estimated Afr/Ap 01 Jul 005/005
Predicted Afr/Ap 02 Jul-04 Jul 005/008-005/005-005/005
VI. Geomagnetic Activity Probabilities 02 Jul-04 Jul
A. Middle Latitudes
Active 15/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 15/05/05
Minor storm 05/01/01
Major-severe storm 01/01/01

SpaceRef staff editor.