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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: 2018-06-19 1940 UT
Kp = 1

Current Integral Flux by Altitude

Selected Latitude: 40, Longitude: 40

Proton Flux Tables

Choose the proton energy:
Altitude (km) >1 MeV (pfu)
500 0.004
1000 0.005
2000 0.006
5000 0.009
10000 0.020
15000 0.044
20000 0.131
25000 0.551
30000 0.551
35000 0.551
Altitude (km) >5 MeV (pfu)
500 0.004
1000 0.005
2000 0.006
5000 0.009
10000 0.020
15000 0.044
20000 0.131
25000 0.223
30000 0.223
35000 0.223
Altitude (km) >10 MeV (pfu)
500 0.004
1000 0.005
2000 0.006
5000 0.009
10000 0.020
15000 0.044
20000 0.131
25000 0.151
30000 0.151
35000 0.151
Altitude (km) >30 MeV (pfu)
500 0.004
1000 0.005
2000 0.006
5000 0.009
10000 0.020
15000 0.044
20000 0.082
25000 0.082
30000 0.082
35000 0.082
Altitude (km) >50 MeV (pfu)
500 0.004
1000 0.005
2000 0.006
5000 0.009
10000 0.020
15000 0.044
20000 0.061
25000 0.061
30000 0.061
35000 0.061
Altitude (km) >100 MeV (pfu)
500 0.004
1000 0.005
2000 0.006
5000 0.009
10000 0.020
15000 0.042
20000 0.042
25000 0.042
30000 0.042
35000 0.042
Altitude (km) >500 MeV (pfu)
500 0.004
1000 0.005
2000 0.006
5000 0.009
10000 0.017
15000 0.017
20000 0.017
25000 0.017
30000 0.017
35000 0.017

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