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LW3DBH > SOLAR 01.04.20 02:55l 68 Lines 2499 Bytes #999 (0) @ WW
BID : 59840_LW3DBH
Read: GUEST
Subj: SOLAR GEO ACTIVITY 31 03
Path: IW8PGT<IR2UBX<IW2OHX<IR1UAW<I0OJJ<LU4ECL<LW3DBH
Sent: 200401/0108Z @:LW3DBH.1744.BA.ARG.SA #:59840 [MORENO] FBB7.00i $:59840_LW
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 Mar 31 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 91 Issued at 2200Z on 31 Mar 2020
IA. Analysis of Solar Active Regions and Activity from 30/2100Z to
31/2100Z: Solar activity has been at very low levels for the past 24
hours. There are currently 1 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be very low
on days one, two, and three (01 Apr, 02 Apr, 03 Apr).
IIA. Geophysical Activity Summary 30/2100Z to 31/2100Z: The geomagnetic
field has been at quiet to active levels for the past 24 hours. Solar
wind speed reached a peak of 534 km/s at 31/1355Z. Total IMF reached 7
nT at 31/0548Z. The maximum southward component of Bz reached -6 nT at
31/0525Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 391 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet to active levels on day one (01 Apr) and quiet to
unsettled levels on days two and three (02 Apr, 03 Apr).
III. Event probabilities 01 Apr-03 Apr
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 31 Mar 070
Predicted 01 Apr-03 Apr 070/070/070
90 Day Mean 31 Mar 071
V. Geomagnetic A Indices
Observed Afr/Ap 30 Mar 008/010
Estimated Afr/Ap 31 Mar 013/016
Predicted Afr/Ap 01 Apr-03 Apr 010/012-007/008-008/008
VI. Geomagnetic Activity Probabilities 01 Apr-03 Apr
A. Middle Latitudes
Active 30/20/15
Minor Storm 10/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/20
Minor Storm 30/25/25
Major-severe storm 40/30/20
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