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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: 2017-12-12 2330 UT
Kp = 4

Current Integral Flux by Altitude

Selected Latitude: 40, Longitude: 40

Proton Flux Tables

Choose the proton energy:
Altitude (km) >1 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.027
15000 0.071
20000 0.240
25000 1.359
30000 1.359
35000 1.359
Altitude (km) >5 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.027
15000 0.071
20000 0.240
25000 0.473
30000 0.473
35000 0.473
Altitude (km) >10 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.027
15000 0.071
20000 0.240
25000 0.300
30000 0.300
35000 0.300
Altitude (km) >30 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.027
15000 0.071
20000 0.146
25000 0.146
30000 0.146
35000 0.146
Altitude (km) >50 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.027
15000 0.071
20000 0.104
25000 0.104
30000 0.104
35000 0.104
Altitude (km) >100 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.027
15000 0.066
20000 0.066
25000 0.066
30000 0.066
35000 0.066
Altitude (km) >500 MeV (pfu)
500 0.005
1000 0.005
2000 0.007
5000 0.011
10000 0.023
15000 0.023
20000 0.023
25000 0.023
30000 0.023
35000 0.023

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