Routine Space Environment Product (Daily)
Issued by NWS

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000
FXXX10 KWNP 271230
DAYTDF

:Product: 3-Day Forecast
:Issued: 2015 Apr 27 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 2 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Apr 27-Apr 29 2015 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown Apr 27-Apr 29 2015

            Apr 27     Apr 28     Apr 29
00-03UT        1          2          3
03-06UT        1          1          2
06-09UT        1          1          2
09-12UT        2          1          2
12-15UT        1          1          2
15-18UT        1          1          2
18-21UT        1          2          2
21-00UT        2          2          2

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 Apr 27-Apr 29 2015

              Apr 27  Apr 28  Apr 29
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 Apr 27-Apr 29 2015

              Apr 27        Apr 28        Apr 29
R1-R2            5%            5%            5%
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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