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  NOAA 3 Day Space Weather Forecast
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The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Sep 17-Sep 19 2019 is 4 (below NOAA
Scale levels).

NOAA Kp index breakdown Sep 17-Sep 19 2019

            Sep 17     Sep 18     Sep 19
00-03UT        4          3          2     
03-06UT        1          3          1     
06-09UT        1          3          1     
09-12UT        1          2          1     
12-15UT        2          2          1     
15-18UT        1          2          1     
18-21UT        1          2          1     
21-00UT        3          3          1     

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.  No
significant transient or recurrent solar wind features are forecast.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-14 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Sep 17-Sep 19 2019

              Sep 17  Sep 18  Sep 19
S1 or greater    1%      1%      1%

Rationale: No S1 (Minor) or greater solar radiation storms are expected.
No significant active region activity favorable for radiation storm
production is forecast.

C. NOAA Radio Blackout Activity and Forecast

No radio blackouts were observed over the past 24 hours.

Radio Blackout Forecast for Sep 17-Sep 19 2019

              Sep 17        Sep 18        Sep 19
R1-R2            1%            1%            1%
R3 or greater    1%            1%            1%

Rationale: No R1 (Minor) or greater radio blackouts are expected.  No
significant active region flare activity is forecast.