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OK0NAG > SOLAR 26.06.08 09:32l 77 Lines 3197 Bytes #999 (0) @ EU
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Date: Wed, 25 Jun 2008 22:01:52 -0000
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Subject: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2008 Jun 25 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 177 Issued at 2200Z on 25 Jun 2008
IA. Analysis of Solar Active Regions and Activity from 24/2100Z
to 25/2100Z: Solar activity was very low. No flares were observed
during the past 24 hours.
IB. Solar Activity Forecast: Solar activity is expected to be very
low for the next three days (26-28 June).
IIA. Geophysical Activity Summary 24/2100Z to 25/2100Z:
The geomagnetic field has been quiet to active for the past 24 hours.
A small increase in the solar wind velocity at ACE was observed:
velocity reached approximately 450 km/s by the end of the period. Bz
fluctuated with values ranging up to +/- 10 nT during the past 24
hours. These signatures are consistent with a weak high speed stream
from a coronal hole. The greater than 2 MeV electron flux at
geosynchronous orbit was at high levels at the beginning of the
period and dropped below threshold at 24/2205Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet to unsettled with a chance of isolated active
periods during the next two days ( 26-27 June). The activity is
expected to decrease to quiet levels on the third day (28 June).
III. Event Probabilities 26 Jun-28 Jun
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 25 Jun 066
Predicted 26 Jun-28 Jun 066/066/066
90 Day Mean 25 Jun 069
V. Geomagnetic A Indices
Observed Afr/Ap 24 Jun 003/004
Estimated Afr/Ap 25 Jun 010/010
Predicted Afr/Ap 26 Jun-28 Jun 007/008-007/008-005/005
VI. Geomagnetic Activity Probabilities 26 Jun-28 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
Thank you for using the Product Subscription Service. If you would like
to remove a product subscription or update the personal information in
your account, go to: https://pss.swpc.noaa.gov. For problems, contact:
mailto:pss.help@noaa.gov.
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