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CX2SA > SWPC 28.04.18 00:28l 60 Lines 2128 Bytes #999 (0) @ WW
BID : 41168_CX2SA
Read: GUEST
Subj: Report of Solar-Geophysical Activity
Path: IW8PGT<CX2SA
Sent: 180427/2219Z @:CX2SA.SAL.URY.SOAM #:41168 [Salto] FBB7.00e $:41168_CX2SA
From: CX2SA@CX2SA.SAL.URY.SOAM
To : SWPC@WW
:Product: Report of Solar-Geophysical Activity
:Issued: 2018 Apr 27 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 117 Issued at 2200Z on 27 Apr 2018
IA. Analysis of Solar Active Regions and Activity from 26/2100Z to
27/2100Z: Solar activity has been at very low levels for the past 24
hours. There is currently 1 numbered sunspot region on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low
on days one, two, and three (28 Apr, 29 Apr, 30 Apr).
IIA. Geophysical Activity Summary 26/2100Z to 27/2100Z: The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 394 km/s at 27/1304Z. Total IMF reached 8
nT at 27/1452Z. The maximum southward component of Bz reached -7 nT at
27/1433Z. Electrons greater than 2 MeV at geosynchronous orbit reached a
peak level of 4841 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on days one, two, and three (28 Apr, 29 Apr, 30
Apr).
III. Event probabilities 28 Apr-30 Apr
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 27 Apr 069
Predicted 28 Apr-30 Apr 069/069/069
90 Day Mean 27 Apr 070
V. Geomagnetic A Indices
Observed Afr/Ap 26 Apr 004/005
Estimated Afr/Ap 27 Apr 005/006
Predicted Afr/Ap 28 Apr-30 Apr 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 28 Apr-30 Apr
A. Middle Latitudes
Active 10/05/05
Minor Storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 15/20/20
Major-severe storm 15/10/10
___________________________________________________________
Automatic packet bulletin created with information received
by cx2sa.net from the SWPC Space Weather Prediction Center.
___________________________________________________________
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