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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 5 (NOAA Scale
G1).
The greatest expected 3 hr Kp for Nov 21-Nov 23 2017 is 5 (NOAA Scale
G1).

NOAA Kp index breakdown Nov 21-Nov 23 2017

            Nov 21     Nov 22     Nov 23
00-03UT        4          4          3     
03-06UT        5 (G1)     3          2     
06-09UT        5 (G1)     3          2     
09-12UT        4          3          2     
12-15UT        4          3          2     
15-18UT        5 (G1)     2          2     
18-21UT        3          3          2     
21-00UT        4          3          2     

Rationale: G1 (Minor) geomagnetic storms are expected on day 1 (21 Nov)
due to persistent CH HSS effects.

B. NOAA Solar Radiation Activity Observation and Forecast

Solar radiation, as observed by NOAA GOES-13 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Nov 21-Nov 23 2017

              Nov 21  Nov 22  Nov 23
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 Nov 21-Nov 23 2017

              Nov 21        Nov 22        Nov 23
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.