Routine Space Environment Product (Daily)
Issued by NWS

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074
FXXX10 KWNP 231231
DAYTDF

:Product: 3-Day Forecast
:Issued: 2017 Jan 23 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 Jan 23-Jan 25 2017 is 2 (below NOAA
Scale levels).

NOAA Kp index breakdown Jan 23-Jan 25 2017

            Jan 23     Jan 24     Jan 25
00-03UT        1          2          2
03-06UT        1          1          2
06-09UT        1          1          2
09-12UT        0          1          1
12-15UT        1          1          1
15-18UT        1          1          1
18-21UT        2          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 Jan 23-Jan 25 2017

              Jan 23  Jan 24  Jan 25
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 Jan 23-Jan 25 2017

              Jan 23        Jan 24        Jan 25
R1-R2           10%           10%           10%
R3 or greater    1%            1%            1%

Rationale: There is a slight chance for R1-R2 (Minor-Moderate) radio
blackouts for the forecast period (Jan 23-25).



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