Routine Space Environment Product (Daily)
Issued by NWS

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000
FXXX10 KWNP 261231
DAYTDF

:Product: 3-Day Forecast
:Issued: 2017 Jun 26 1230 UTC
# Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center
# Product description and SWPC contact on the Web
# http://www.swpc.noaa.gov/wwire.html
#
#             3-Day Forecast
#
A. NOAA Geomagnetic Activity Observation and Forecast

The greatest observed 3 hr Kp over the past 24 hours was 3 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Jun 26-Jun 28 2017 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown Jun 26-Jun 28 2017

            Jun 26     Jun 27     Jun 28
00-03UT        3          2          2
03-06UT        2          1          2
06-09UT        1          1          2
09-12UT        2          1          2
12-15UT        2          1          2
15-18UT        2          1          3
18-21UT        2          2          2
21-00UT        3          2          3

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-13 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Jun 26-Jun 28 2017

              Jun 26  Jun 27  Jun 28
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 Jun 26-Jun 28 2017

              Jun 26        Jun 27        Jun 28
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.



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