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Attività solare del 3 ottobre 2017

Il Sole il 3 ottobre 2017. SOHO.
Il Sole il 3 ottobre. SOHO.
 
 
:Product: NOAA 3-day Geomagnetic Forecasts
:Issued: 2017 Oct 02 2200 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
NOAA Ap Index Forecast
Observed Ap 01 Oct 011
Estimated Ap 02 Oct 010
Predicted Ap 03 Oct-05 Oct 005-005-005

NOAA Geomagnetic Activity Probabilities 03 Oct-05 Oct
Active                25/20/15
Minor storm           01/01/01
Moderate storm        01/01/01
Strong-Extreme storm  01/01/01

NOAA Kp index forecast 03 Oct - 05 Oct
             Oct 03    Oct 04    Oct 05
00-03UT        2         2         2
03-06UT        1         1         1
06-09UT        1         1         1
09-12UT        1         1         1
12-15UT        1         1         2
15-18UT        1         1         2
18-21UT        2         2         1
21-00UT        2         2         1
:Product: Solar Region Summary
:Issued: 2017 Oct 03 0030 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 Region Summary
SRS Number 276 Issued at 0030Z on 03 Oct 2017
Report compiled from data received at SWO on 02 Oct
I.  Regions with Sunspots.  Locations Valid at 02/2400Z 
Nmbr Location  Lo  Area  Z   LL   NN Mag Type
2682 S10W35   127  0110 Hsx  02   01 Alpha
2683 N13W19   111  0290 Hkx  03   04 Alpha
IA. H-alpha Plages without Spots.  Locations Valid at 02/2400Z Oct
Nmbr  Location  Lo
2681  S13W87   179
II. Regions Due to Return 03 Oct to 05 Oct
Nmbr Lat    Lo
2680 N08    336
:Product: Solar and Geophysical Activity Summary
:Issued: 2017 Oct 03 0245 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 and Geophysical Activity Summary
SGAS Number 276 Issued at 0245Z on 03 Oct 2017
This report is compiled from data received at SWO on 02 Oct
A.  Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0351 0351 0351                       120                           
 0354 0354 0354                       110                           
 1409 1409 1409                       100                           
 1411 1411 1411                       120                           
B.  Proton Events:  None.
C.  Geomagnetic Activity Summary:  The geomagnetic field was mostly
quiet, with an isolated unsettled period near the beginning of the
day.
D.  Stratwarm:  Not Available
E.  Daily Indices: (real-time preliminary/estimated values)
10 cm 086  SSN 025  Afr/Ap 006/008   X-ray Background A6.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.1e+06   GT 10 MeV 1.4e+04 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.10e+09 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices:
Boulder 2 4 3 3 2 2 1 0 Planetary 2 3 2 2 2 1 1 2 
F.  Comments:  None
Space Weather Message Code: ALTEF3
Serial Number: 2677
Issue Time: 2017 Oct 03 0626 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2676
Begin Time: 2017 Sep 28 1235 UTC
Yesterday Maximum 2MeV Flux: 28078 pfu

NOAA Space Weather Scale descriptions can be found at
www.swpc.noaa.gov/noaa-scales-explanation

Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.

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