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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: 2018-01-19 0850 UT
Kp = 3

Current Integral Flux by Altitude

Selected Latitude: 40, Longitude: 40

Proton Flux Tables

Choose the proton energy:
Altitude (km) >1 MeV (pfu)
500 0.023
1000 0.025
2000 0.027
5000 0.036
10000 0.055
15000 0.088
20000 0.161
25000 0.379
30000 0.379
35000 0.379
Altitude (km) >5 MeV (pfu)
500 0.023
1000 0.025
2000 0.027
5000 0.036
10000 0.055
15000 0.088
20000 0.161
25000 0.225
30000 0.225
35000 0.225
Altitude (km) >10 MeV (pfu)
500 0.023
1000 0.025
2000 0.027
5000 0.036
10000 0.055
15000 0.088
20000 0.161
25000 0.180
30000 0.180
35000 0.180
Altitude (km) >30 MeV (pfu)
500 0.023
1000 0.025
2000 0.027
5000 0.036
10000 0.055
15000 0.088
20000 0.126
25000 0.126
30000 0.126
35000 0.126
Altitude (km) >50 MeV (pfu)
500 0.023
1000 0.025
2000 0.027
5000 0.036
10000 0.055
15000 0.088
20000 0.107
25000 0.107
30000 0.107
35000 0.107
Altitude (km) >100 MeV (pfu)
500 0.023
1000 0.025
2000 0.027
5000 0.036
10000 0.055
15000 0.085
20000 0.085
25000 0.085
30000 0.085
35000 0.085
Altitude (km) >500 MeV (pfu)
500 0.023
1000 0.025
2000 0.027
5000 0.036
10000 0.051
15000 0.051
20000 0.051
25000 0.051
30000 0.051
35000 0.051

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