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AER Nowcast of Solar Energetic Protons



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Real-time SEP Nowcast


Map of the Integral Proton Fluence

Choose Location and Altitude

Latitude (degrees):

Longitude (degrees):

Altitude (km):

Energy (> MeV):


Last Update Time: 2017-10-17 1100 UT
Kp = 2

Current Integral Flux by Altitude

Selected Latitude: 40, Longitude: 40

Proton Flux Tables

Choose the proton energy:
Altitude (km) >1 MeV (pfu)
500 0.028
1000 0.030
2000 0.032
5000 0.042
10000 0.061
15000 0.094
20000 0.161
25000 0.349
30000 0.349
35000 0.349
Altitude (km) >5 MeV (pfu)
500 0.028
1000 0.030
2000 0.032
5000 0.042
10000 0.061
15000 0.094
20000 0.161
25000 0.218
30000 0.218
35000 0.218
Altitude (km) >10 MeV (pfu)
500 0.028
1000 0.030
2000 0.032
5000 0.042
10000 0.061
15000 0.094
20000 0.161
25000 0.178
30000 0.178
35000 0.178
Altitude (km) >30 MeV (pfu)
500 0.028
1000 0.030
2000 0.032
5000 0.042
10000 0.061
15000 0.094
20000 0.129
25000 0.129
30000 0.129
35000 0.129
Altitude (km) >50 MeV (pfu)
500 0.028
1000 0.030
2000 0.032
5000 0.042
10000 0.061
15000 0.094
20000 0.111
25000 0.111
30000 0.111
35000 0.111
Altitude (km) >100 MeV (pfu)
500 0.028
1000 0.030
2000 0.032
5000 0.042
10000 0.061
15000 0.091
20000 0.091
25000 0.091
30000 0.091
35000 0.091
Altitude (km) >500 MeV (pfu)
500 0.028
1000 0.030
2000 0.032
5000 0.042
10000 0.057
15000 0.057
20000 0.057
25000 0.057
30000 0.057
35000 0.057

The cursor position option allows for a more exact determination of proton flux at the specified altitude, latitude, and longitude.