Routine Space Environment Product (Daily)
Issued by NWS

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000
FXXX10 KWNP 211231
DAYTDF

:Product: 3-Day Forecast
:Issued: 2014 Aug 21 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 Aug 21-Aug 23 2014 is 3 (below NOAA
Scale levels).

NOAA Kp index breakdown Aug 21-Aug 23 2014

            Aug 21     Aug 22     Aug 23
00-03UT        3          3          2
03-06UT        3          2          2
06-09UT        2          1          2
09-12UT        2          2          1
12-15UT        2          2          1
15-18UT        2          2          1
18-21UT        3          2          1
21-00UT        2          2          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-13 over the past 24 hours, was
below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Aug 21-Aug 23 2014

              Aug 21  Aug 22  Aug 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 Aug 21-Aug 23 2014

              Aug 21        Aug 22        Aug 23
R1-R2           15%           15%           15%
R3 or greater    1%            1%            1%

Rationale: There is a slight chance for R1 (Minor) or greater radio
blackouts through the forecast period.



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