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Attività solare del 2 ottobre 2017

Il Sole il 28 settembre. SOHO.
Il Sole il 28 settembre. SOHO.
 
 
:Product: NOAA 3-day Geomagnetic Forecasts
:Issued: 2017 Oct 01 2200 UTC
# Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center
#
NOAA Ap Index Forecast
Observed Ap 30 Sep 016
Estimated Ap 01 Oct 011
Predicted Ap 02 Oct-04 Oct 008-005-005

NOAA Geomagnetic Activity Probabilities 02 Oct-04 Oct
Active                25/15/15
Minor storm           01/01/01
Moderate storm        01/01/01
Strong-Extreme storm  01/01/01

NOAA Kp index forecast 02 Oct - 04 Oct
             Oct 02    Oct 03    Oct 04
00-03UT        3         2         2
03-06UT        2         1         1
06-09UT        2         1         1
09-12UT        2         1         1
12-15UT        2         1         1
15-18UT        2         1         1
18-21UT        2         2         2
21-00UT        2         2         2
Official Space Weather Advisory issued by NOAA Space Weather Prediction Center
Boulder, Colorado, USA

SPACE WEATHER ADVISORY OUTLOOK #17-40
2017 October 1 at 9:42 p.m. MDT (2017 October 2 0342 UTC)

**** SPACE WEATHER OUTLOOK ****

Summary For September 25-October 1

G2 (Moderate) geomagnetic storm conditions were observed on 27 Sep due to the onset of coronal hole influence.

G3 (Strong) geomagnetic storm conditions were observed on 28 Sep due to continued coronal hole influence.

No other significant space weather was observed during the summary period.

Outlook For October 2-8

No siginificant space weather is expected for the outlook period.

Data used to provide space weather services are contributed by NOAA,
USAF, NASA, NSF, USGS, the International Space Environment Services 
and other observatories, universities, and institutions. More 
information is available at SWPC's Web site http://swpc.noaa.gov
Space Weather Message Code: ALTEF3
Serial Number: 2676
Issue Time: 2017 Oct 02 0500 UTC

CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
Continuation of Serial Number: 2675
Begin Time: 2017 Sep 28 1235 UTC
Yesterday Maximum 2MeV Flux: 14652 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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