Joint USAF/NOAA Report of Solar and Geophysical Activity 2 May 2009

Product: Report of Solar-Geophysical Activity
Issued: 2009 May 02 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 122 Issued at 2200Z on 02 May 2009

IA. Analysis of Solar Active Regions and Activity from 01/2100Z
to 02/2100Z: Solar activity was very low. No significant flare
activity occurred. The visible disk was spotless.

IB. Solar Activity Forecast: Solar activity is expected to be very
low.

IIA. Geophysical Activity Summary 01/2100Z to 02/2100Z:
Geomagnetic field activity was at quiet levels.

IIB. Geophysical Activity Forecast: Geomagnetic field activity is
expected to be at quiet levels through the forecast period (03 – 05
May).

III. Event Probabilities 03 May-05 May
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green

IV. Penticton 10.7 cm Flux
Observed 02 May 068
Predicted 03 May-05 May 070/070/070
90 Day Mean 02 May 070

V. Geomagnetic A Indices
Observed Afr/Ap 01 May 002/005
Estimated Afr/Ap 02 May 003/005
Predicted Afr/Ap 03 May-05 May 005/005-005/005-005/005

VI. Geomagnetic Activity Probabilities 03 May-05 May
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