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CX2SA > SWPC 02.10.15 00:23l 66 Lines 2593 Bytes #999 (0) @ WW
BID : 28633_CX2SA
Read: GUEST
Subj: Report of Solar-Geophysical Activity
Path: IW8PGT<CX2SA
Sent: 151001/2219Z @:CX2SA.SAL.URY.SOAM #:28633 [Salto] FBB7.00e $:28633_CX2SA
From: CX2SA@CX2SA.SAL.URY.SOAM
To : SWPC@WW
:Product: Report of Solar-Geophysical Activity
:Issued: 2015 Oct 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 Solar Geophysical Activity Report and Forecast
SDF Number 274 Issued at 2200Z on 01 Oct 2015
IA. Analysis of Solar Active Regions and Activity from 30/2100Z to
01/2100Z: Solar activity has been at moderate levels for the past 24
hours. The largest solar event of the period was a M4 event observed at
01/1310Z from Region 2422 (S17W69). There are currently 3 numbered
sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is likely to be moderate
with a chance for X-class flares on day one (02 Oct) and likely to be
moderate with a slight chance for an X-class flare on day two (03 Oct)
and expected to be low with a chance for M-class flares and a slight
chance for an X-class flare on day three (04 Oct).
IIA. Geophysical Activity Summary 30/2100Z to 01/2100Z: The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
380 km/s at 01/1719Z. Total IMF reached 12 nT at 01/1452Z. The maximum
southward component of Bz reached -10 nT at 01/1644Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 641 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at unsettled to minor storm levels on days one, two, and three (02
Oct, 03 Oct, 04 Oct). Protons have a chance of crossing threshold on
days one, two, and three (02 Oct, 03 Oct, 04 Oct).
III. Event probabilities 02 Oct-04 Oct
Class M 70/65/50
Class X 25/20/15
Proton 25/25/25
PCAF green
IV. Penticton 10.7 cm Flux
Observed 01 Oct 120
Predicted 02 Oct-04 Oct 120/115/105
90 Day Mean 01 Oct 105
V. Geomagnetic A Indices
Observed Afr/Ap 30 Sep 002/002
Estimated Afr/Ap 01 Oct 009/010
Predicted Afr/Ap 02 Oct-04 Oct 016/024-016/028-025/040
VI. Geomagnetic Activity Probabilities 02 Oct-04 Oct
A. Middle Latitudes
Active 30/35/35
Minor Storm 15/20/25
Major-severe storm 01/05/10
B. High Latitudes
Active 15/15/10
Minor Storm 25/25/25
Major-severe storm 40/50/65
___________________________________________________________
Automatic packet bulletin created with information received
by cx2sa.net from the SWPC Space Weather Prediction Center.
___________________________________________________________
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