( Latest Alart ) - Issue Time: 2023 May 28 0531 UTC - Read More
CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu
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 29-May 31 2023 is 4.00 (below NOAA
Scale levels).
NOAA Kp index breakdown May 29 to May 31 2023
Planetary Kp
May 29
May 30
May 31
Forecast High
4.00
3.00
1.67
00-03UT
0.67
3.00
1.67
03-06UT
1.00
2.67
1.33
06-09UT
1.33
3.00
1.33
09-12UT
1.00
2.33
1.33
12-15UT
2.00
1.67
1.33
15-18UT
3.33
1.67
1.33
18-21UT
4.00
2.00
1.67
21-00UT
4.00
2.67
1.67
Past 24 Hour Planetary Kp
Now
0.67
1.00
1.33
1.00
1.00
1.00
1.00
1.67
Predicted 3-hour k-indices - Issued: May 30 to Jun 01
Middle Latitudes
May 30
May 31
Jun 01
00-03UT
3
2
2
03-06UT
3
3
2
06-09UT
2
2
2
09-12UT
2
2
1
12-15UT
2
2
2
15-18UT
1
1
1
18-21UT
2
2
1
21-00UT
2
2
2
High Latitudes
May 30
May 31
Jun 01
00-03UT
3
2
1
03-06UT
2
2
1
06-09UT
3
3
1
09-12UT
4
3
2
12-15UT
3
2
2
15-18UT
2
1
1
18-21UT
2
1
1
21-00UT
2
1
1
Geomagnetic Activity Probabilities - Issued: May 30 to Jun 01
Middle Latitudes
May 30
May 31
Jun 01
Active
20%
10%
10%
Minor Storm
5%
1%
5%
Major-severe storm
1%
1%
1%
High Latitudes
May 30
May 31
Jun 01
Active
15%
15%
15%
Minor Storm
20%
25%
20%
Major-severe storm
25%
20%
15%
Last 30 Days Daily Geomagnetic Data - Issued: 0030 UT 30 May 2023
Prepared by the U.S. Dept. of Comm, NOAA, Space Weather Prediction Center
Air Quality
Past 7 Days of Astronomy Pic of the Day
