-18°F Oakes Municipal Airport, ND -18°F Linton Municipal Airport, ND -18°F Crookston Municipal Kirkwood Field Airport, MN -18°F Moorhead Municipal Airport, MN
( Latest Alart ) - Issue Time: 2023 Mar 30 2053 UTC - Read More
EXTENDED WARNING: Geomagnetic K-index of 4 expected
Geomagnetic Activity Observation and Forecast
The greatest observed 3 hr Kp over the past 24 hours was 4 (below NOAA
Scale levels).
The greatest expected 3 hr Kp for Mar 31-Apr 02 2023 is 4.67 (NOAA Scale
G1).
NOAA Kp index breakdown Mar 31 to Apr 02 2023
Planetary Kp
Mar 31
Apr 01
Apr 02
Forecast High
4.67 G1
3.67
3.67
00-03UT
3.67
3.67
3.67
03-06UT
4.67 G1
3.67
3.67
06-09UT
3.33
3.33
2.00
09-12UT
3.33
3.33
2.00
12-15UT
3.00
3.00
2.33
15-18UT
3.00
3.00
2.33
18-21UT
2.67
3.33
2.00
21-00UT
3.67
3.33
2.33
Past 24 Hour Planetary Kp
Now
2.33
2.67
3.33
3.00
3.67
4.33
2.67
4.33
Predicted 3-hour k-indices - Issued: Mar 31 to Apr 02
Middle Latitudes
Mar 31
Apr 01
Apr 02
00-03UT
3
3
3
03-06UT
4
3
3
06-09UT
3
3
2
09-12UT
3
3
2
12-15UT
3
3
2
15-18UT
2
2
2
18-21UT
2
3
2
21-00UT
3
3
2
High Latitudes
Mar 31
Apr 01
Apr 02
00-03UT
3
3
3
03-06UT
4
3
3
06-09UT
4
4
2
09-12UT
5 G1
5 G1
3
12-15UT
4
4
4
15-18UT
4
4
3
18-21UT
2
3
2
21-00UT
2
2
1
Geomagnetic Activity Probabilities - Issued: Mar 31 to Apr 02
Middle Latitudes
Mar 31
Apr 01
Apr 02
Active
45%
35%
35%
Minor Storm
25%
10%
10%
Major-severe storm
5%
1%
1%
High Latitudes
Mar 31
Apr 01
Apr 02
Active
10%
10%
10%
Minor Storm
25%
25%
25%
Major-severe storm
70%
45%
40%
Last 30 Days Daily Geomagnetic Data - Issued: 0330 UT 31 Mar 2023
Prepared by the U.S. Dept. of Comm, NOAA, Space Weather Prediction Center