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LW3DBH > SOLAR 21.05.20 02:22l 70 Lines 2552 Bytes #999 (0) @ WW
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Subj: SOLAR GEO ACTIVITY 20 05
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Sent: 200521/0110Z @:LW3DBH.1744.BA.ARG.SA #:290 [MORENO] FBB7.00i $:290_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 20 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 141 Issued at 2200Z on 20 May 2020
IA. Analysis of Solar Active Regions and Activity from 19/2100Z to
20/2100Z: 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 (21 May, 22 May, 23 May).
IIA. Geophysical Activity Summary 19/2100Z to 20/2100Z: The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 418 km/s at 20/0649Z. Electrons greater than 2 MeV at
geosynchronous orbit reached a peak level of 134 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on days one, two, and three (21 May, 22 May, 23
May).
III. Event probabilities 21 May-23 May
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 20 May 070
Predicted 21 May-23 May 070/070/070
90 Day Mean 20 May 070
V. Geomagnetic A Indices
Observed Afr/Ap 19 May 006/005
Estimated Afr/Ap 20 May 008/008
Predicted Afr/Ap 21 May-23 May 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 21 May-23 May
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 10/10/10
+----------------------------------------------------------------------------+
Carperpetuation (kar' pur pet u a shun), n.:
The act, when vacuuming, of running over a string at least a dozen
times, reaching over and picking it up, examining it, then putting
it back down to give the vacuum one more chance.
-- Rich Hall, "Sniglets"
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