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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: 2018-04-26 0350 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 0.003
1000 0.003
2000 0.004
5000 0.007
10000 0.018
15000 0.048
20000 0.180
25000 1.154
30000 1.154
35000 1.154
Altitude (km) >5 MeV (pfu)
500 0.003
1000 0.003
2000 0.004
5000 0.007
10000 0.018
15000 0.048
20000 0.180
25000 0.372
30000 0.372
35000 0.372
Altitude (km) >10 MeV (pfu)
500 0.003
1000 0.003
2000 0.004
5000 0.007
10000 0.018
15000 0.048
20000 0.180
25000 0.228
30000 0.228
35000 0.228
Altitude (km) >30 MeV (pfu)
500 0.003
1000 0.003
2000 0.004
5000 0.007
10000 0.018
15000 0.048
20000 0.105
25000 0.105
30000 0.105
35000 0.105
Altitude (km) >50 MeV (pfu)
500 0.003
1000 0.003
2000 0.004
5000 0.007
10000 0.018
15000 0.048
20000 0.074
25000 0.074
30000 0.074
35000 0.074
Altitude (km) >100 MeV (pfu)
500 0.003
1000 0.003
2000 0.004
5000 0.007
10000 0.018
15000 0.045
20000 0.045
25000 0.045
30000 0.045
35000 0.045
Altitude (km) >500 MeV (pfu)
500 0.003
1000 0.003
2000 0.004
5000 0.007
10000 0.015
15000 0.015
20000 0.015
25000 0.015
30000 0.015
35000 0.015

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