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LW3DBH > SOLAR 28.05.20 02:33l 70 Lines 2642 Bytes #999 (0) @ WW
BID : 937_LW3DBH
Read: GUEST
Subj: SOLAR GEO ACTIVITY 27 05
Path: IW8PGT<IZ3LSV<IQ5KG<IR1UAW<IK1NHL<CX2SA<DB0ZAV<LU4ECL<LW3DBH
Sent: 200528/0111Z @:LW3DBH.1744.BA.ARG.SA #:937 [MORENO] FBB7.00i $:937_LW3DBH
From: LW3DBH@LW3DBH.1744.BA.ARG.SA
To : SOLAR@WW
_ __ _______ ____ ____ _ _
| |\ \ / /___ /| _ \| __ )| | | | BBS
| | \ \ /\ / / |_ \| | | | _ \| |_| | MORENO
| |__\ V V / ___) | |_| | |_) | _ | ARGENTINA
|_____\_/\_/ |____/|____/|____/|_| |_|
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:Product: Report of Solar-Geophysical Activity
:Issued: 2020 May 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 148 Issued at 2200Z on 27 May 2020
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 are currently 0 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low
on days one, two, and three (28 May, 29 May, 30 May).
IIA. Geophysical Activity Summary 26/2100Z to 27/2100Z: The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 346 km/s at 27/0635Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 194 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on day one (28 May) and quiet to unsettled levels
on days two and three (29 May, 30 May).
III. Event probabilities 28 May-30 May
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 27 May 068
Predicted 28 May-30 May 070/070/070
90 Day Mean 27 May 070
V. Geomagnetic A Indices
Observed Afr/Ap 26 May 003/004
Estimated Afr/Ap 27 May 004/005
Predicted Afr/Ap 28 May-30 May 005/005-008/008-008/008
VI. Geomagnetic Activity Probabilities 28 May-30 May
A. Middle Latitudes
Active 05/10/10
Minor Storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 15/25/25
Major-severe storm 05/20/20
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"Oh, yes. The important thing about having lots of things to remember
is that you've got to go somewhere afterwards where you can remember them,
you see? You've got to stop. You haven't really been anywhere until you've
got back home. I think that's what I mean."
-- Terry Pratchett, "The Light Fantastic"
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