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WA7EES > RSGA 05.06.12 04:33l 131 Lines 5202 Bytes #999 (0) @ WW
BID : WA7EESEF7
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Subj: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2012 Jun 04 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 156 Issued at 2200Z on 04 Jun 2012
IA. Analysis of Solar Active Regions and Activity from 03/2100Z
to 04/2100Z: Solar activity was low during the past 24 hours. Region
1496 (N17E17) produced a C1/Sf at 04/0936Z. New Regions 1500
(N09W34), 1501 (N07E15) and 1502 (S17E41) were numbered today. No
Earth-directed CME's were observed during the period.
IB. Solar Activity Forecast: Solar activity is expected to be low
with a slight chance for M-class events for the next three days
(05-07 June).
IIA. Geophysical Activity Summary 03/2100Z to 04/2100Z:
The geomagnetic field was unsettled to active during the past 24
hours due to effects from a favorably positioned coronal hole high
speed stream (CH HSS). Solar wind speeds remained steady around 600
km/s and the interplanetary magnetic field (IMF) Bt was stable at
approximately 8 nT. The Bz component of the IMF reached a maximum
deviation of -12 nT between 04/0800 - 1000Z, but varied between -5
to +2 nT for the majority of the period.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be unsettled to active, with a chance for isolated minor
storm periods on day one (05 June), due to continued effects from
the CH HSS. Days two and three (06-07 June) are expected to be
unsettled, with a chance for isolated active periods, as the effects
from the CH HSS begin to subside.
III. Event Probabilities 05 Jun-07 Jun
Class M 20/20/20
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 04 Jun 128
Predicted 05 Jun-07 Jun 130/135/135
90 Day Mean 04 Jun 117
V. Geomagnetic A Indices
Observed Afr/Ap 03 Jun 016/026
Estimated Afr/Ap 04 Jun 015/019
Predicted Afr/Ap 05 Jun-07 Jun 014/022-014/018-011/015
VI. Geomagnetic Activity Probabilities 05 Jun-07 Jun
A. Middle Latitudes
Active 40/40/30
Minor storm 20/20/10
Major-severe storm 05/05/01
B. High Latitudes
Active 10/10/15
Minor storm 25/30/25
Major-severe storm 60/55/40
/ex
<mailto:pss.help@noaa.gov>
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<pre>:Product: Report of Solar-Geophysical Activity
:Issued: 2012 Jun 04 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 156 Issued at 2200Z on 04 Jun 2012
IA. Analysis of Solar Active Regions and Activity from 03/2100Z
to 04/2100Z: Solar activity was low during the past 24 hours. Region
1496 (N17E17) produced a C1/Sf at 04/0936Z. New Regions 1500
(N09W34), 1501 (N07E15) and 1502 (S17E41) were numbered today. No
Earth-directed CME's were observed during the period.
IB. Solar Activity Forecast: Solar activity is expected to be low
with a slight chance for M-class events for the next three days
(05-07 June).
IIA. Geophysical Activity Summary 03/2100Z to 04/2100Z:
The geomagnetic field was unsettled to active during the past 24
hours due to effects from a favorably positioned coronal hole high
speed stream (CH HSS). Solar wind speeds remained steady around 600
km/s and the interplanetary magnetic field (IMF) Bt was stable at
approximately 8 nT. The Bz component of the IMF reached a maximum
deviation of -12 nT between 04/0800 - 1000Z, but varied between -5
to +2 nT for the majority of the period.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be unsettled to active, with a chance for isolated minor
storm periods on day one (05 June), due to continued effects from
the CH HSS. Days two and three (06-07 June) are expected to be
unsettled, with a chance for isolated active periods, as the effects
from the CH HSS begin to subside.
III. Event Probabilities 05 Jun-07 Jun
Class M 20/20/20
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 04 Jun 128
Predicted 05 Jun-07 Jun 130/135/135
90 Day Mean 04 Jun 117
V. Geomagnetic A Indices
Observed Afr/Ap 03 Jun 016/026
Estimated Afr/Ap 04 Jun 015/019
Predicted Afr/Ap 05 Jun-07 Jun 014/022-014/018-011/015
VI. Geomagnetic Activity Probabilities 05 Jun-07 Jun
A. Middle Latitudes
Active 40/40/30
Minor storm 20/20/10
Major-severe storm 05/05/01
B. High Latitudes
Active 10/10/15
Minor storm 25/30/25
Major-severe storm 60/55/40
</pre>
/ex<br>
<br>
<a href="mailto:pss.help@noaa.gov"></a>
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