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LU9DCE > SOLAR 17.02.20 01:41l 76 Lines 3019 Bytes #-2269 (0) @ WW
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Subj: SOLAR GEO ACTIVITY 16 02
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+----------------------------------------------------------------------------+
:Product: Report of Solar-Geophysical Activity
:Issued: 2020 Feb 15 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 46 Issued at 2200Z on 15 Feb 2020
IA. Analysis of Solar Active Regions and Activity from 14/2100Z to
15/2100Z: 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 (16 Feb, 17 Feb, 18 Feb).
IIA. Geophysical Activity Summary 14/2100Z to 15/2100Z: The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed reached a peak of 366 km/s at 15/0942Z. Total IMF reached 6
nT at 15/1706Z. The maximum southward component of Bz reached -4 nT at
15/0952Z. Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 799 pfu.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on day one (16 Feb) and quiet to unsettled levels
on days two and three (17 Feb, 18 Feb).
III. Event probabilities 16 Feb-18 Feb
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 15 Feb 071
Predicted 16 Feb-18 Feb 071/071/071
90 Day Mean 15 Feb 071
V. Geomagnetic A Indices
Observed Afr/Ap 14 Feb 003/002
Estimated Afr/Ap 15 Feb 004/005
Predicted Afr/Ap 16 Feb-18 Feb 006/005-008/010-007/008
VI. Geomagnetic Activity Probabilities 16 Feb-18 Feb
A. Middle Latitudes
Active 10/20/15
Minor Storm 01/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 15/15/15
Minor Storm 20/25/25
Major-severe storm 10/30/25
+----------------------------------------------------------------------------+
Q: How many IBM types does it take to change a light bulb? A:
Fifteen. One to do it, and fourteen to write document number
GC7500439-0001, Multitasking Incandescent Source System Facility,
of which 10% of the pages state only "This page intentionally
left blank", and 20% of the definitions are of the form "A:.....
consists of sequences of non-blank characters separated by blanks".
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