Routine Space Environment Product (Daily)
Issued by NWS

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000
FXXX10 KWNP 250031
DAYTDF

:Product: 3-Day Forecast
:Issued: 2016 May 25 0030 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 May 25-May 27 2016 is 4 (below NOAA
Scale levels).

NOAA Kp index breakdown May 25-May 27 2016

            May 25     May 26     May 27
00-03UT        2          3          4
03-06UT        2          2          4
06-09UT        1          2          3
09-12UT        1          3          2
12-15UT        1          2          2
15-18UT        2          3          2
18-21UT        2          3          2
21-00UT        3          4          3

Rationale: No G1 (Minor) or greater geomagnetic storms are expected.

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 May 25-May 27 2016

              May 25  May 26  May 27
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 May 25-May 27 2016

              May 25        May 26        May 27
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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