Previsiones de actividad Solar


Informe del conjunto NOAA, USAF, U.S. Dept. of Commerce.


Report of Solar-Geophysical Activity
:Issued: 2013 Dec 10 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 344 Issued at 2200Z on 10 Dec 2013

IA.  Analysis of Solar Active Regions and Activity from 09/2100Z to
10/2100Z: Solar activity has been at low levels for the past 24 hours.
The largest solar event of the period was a C2 event observed at
10/2007Z from Region 1916 (S13W65). There are currently 9 numbered
sunspot regions on the disk.
IB.  Solar Activity Forecast: Solar activity is expected to be low with
a chance for M-class flares on days one, two, and three (11 Dec, 12 Dec,
13 Dec).

IIA.  Geophysical Activity Summary 09/2100Z to 10/2100Z: The geomagnetic
field has been at quiet to unsettled levels for the past 24 hours. Solar
wind speed, as measured by the ACE spacecraft, reached a peak speed of
430 km/s at 09/2326Z. Total IMF reached 6 nT at 10/0539Z. The maximum
southward component of Bz reached -5 nT at 10/0507Z. Electrons greater
than 2 MeV at geosynchronous orbit reached a peak level of 109 pfu.
IIB.  Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on days one and two (11 Dec, 12 Dec) and quiet to
active levels on day three (13 Dec).

III.  Event probabilities 11 Dec-13 Dec
Class M    30/30/30
Class X    01/01/01
Proton     01/01/01
PCAF       green

IV.  Penticton 10.7 cm Flux
Observed           10 Dec 175
Predicted   11 Dec-13 Dec 175/180/175
90 Day Mean        10 Dec 134

V.  Geomagnetic A Indices
Observed Afr/Ap 09 Dec  002/002
Estimated Afr/Ap 10 Dec  006/006
Predicted Afr/Ap 11 Dec-13 Dec  005/005-005/005-009/010

VI.  Geomagnetic Activity Probabilities 11 Dec-13 Dec
A.  Middle Latitudes
Active                05/05/30
Minor Storm           01/01/10
Major-severe storm    01/01/01
B.  High Latitudes
Active                15/15/10
Minor Storm           15/15/25
Major-severe storm    05/05/40

Un cordial saludo en nombre de todo el equipo del departamento de:

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