3-Day Forecast

Issued: 2019 Jan 17 0030 UTC
Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center and processed by SpaceWeatherLive.com

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 17-Jan 19 2019 is 2 (below NOAA Scale levels).

NOAA Kp index breakdown

            Jan 17     Jan 18     Jan 19
00-03UT        2          2          2     
03-06UT        2          1          1     
06-09UT        2          1          1     
09-12UT        1          1          1     
12-15UT        1          1          1     
15-18UT        1          1          1     
18-21UT        1          2          2     
21-00UT        1          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-15 over the past 24 hours, was below S-scale storm level thresholds.

Solar Radiation Storm Forecast for Jan 17-Jan 19 2019

              Jan 17  Jan 18  Jan 19
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 17-Jan 19 2019

              Jan 17        Jan 18        Jan 19
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.

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

1%

Latest alerts

Get instant alerts!

Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/01/05Kp5 (G1)
Number of spotless days in 2019:10
Current stretch spotless days:11

This day in history*

Solar flares
12005X3.8
22004M5.0
32005M2.6
42012M1.0
52014C8.9
ApG
1200558G2
2199537G2
3199427G1
4200725G1
5200418
*since 1994

Social networks