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20140112RSGA.txt
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:Product: 0112RSGA.txt
:Issued: 2014 Jan 12 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 Solar Geophysical Activity Report and Forecast
SDF Number 12 Issued at 2200Z on 12 Jan 2014
IA. Analysis of Solar Active Regions and Activity from 11/2100Z to
12/2100Z: Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C6 event observed at
12/0005Z from Region 1944 (S10W69). There are currently 8 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be low with
a chance for M-class flares and a slight chance for an X-class flare on
days one and two (13 Jan, 14 Jan) and expected to be low with a slight
chance for an M-class flare on day three (15 Jan).
IIA. Geophysical Activity Summary 11/2100Z to 12/2100Z: The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
717 km/s at 12/2009Z. Total IMF reached 8 nT at 12/0143Z. The maximum
southward component of Bz reached -7 nT at 12/1842Z. Protons greater
than 10 MeV at geosynchronous orbit reached a peak level of 11 pfu at
12/0420Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 165 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to unsettled levels on day one (13 Jan) and quiet levels
on days two and three (14 Jan, 15 Jan). Protons greater than 10 Mev have
a chance of crossing threshold on days one and two (13 Jan, 14 Jan).
III. Event probabilities 13 Jan-15 Jan
Class M 50/50/10
Class X 15/15/01
Proton 30/30/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 12 Jan 155
Predicted 13 Jan-15 Jan 155/145/140
90 Day Mean 12 Jan 153
V. Geomagnetic A Indices
Observed Afr/Ap 11 Jan 003/002
Estimated Afr/Ap 12 Jan 005/006
Predicted Afr/Ap 13 Jan-15 Jan 005/006-006/005-006/005
VI. Geomagnetic Activity Probabilities 13 Jan-15 Jan
A. Middle Latitudes
Active 05/05/05
Minor Storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 15/15/15
Major-severe storm 05/05/05