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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: 2017-11-21 0050 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 0.005
1000 0.005
2000 0.006
5000 0.009
10000 0.018
15000 0.038
20000 0.097
25000 0.372
30000 0.372
35000 0.372
Altitude (km) >5 MeV (pfu)
500 0.005
1000 0.005
2000 0.006
5000 0.009
10000 0.018
15000 0.038
20000 0.097
25000 0.164
30000 0.164
35000 0.164
Altitude (km) >10 MeV (pfu)
500 0.005
1000 0.005
2000 0.006
5000 0.009
10000 0.018
15000 0.038
20000 0.097
25000 0.116
30000 0.116
35000 0.116
Altitude (km) >30 MeV (pfu)
500 0.005
1000 0.005
2000 0.006
5000 0.009
10000 0.018
15000 0.038
20000 0.066
25000 0.066
30000 0.066
35000 0.066
Altitude (km) >50 MeV (pfu)
500 0.005
1000 0.005
2000 0.006
5000 0.009
10000 0.018
15000 0.038
20000 0.051
25000 0.051
30000 0.051
35000 0.051
Altitude (km) >100 MeV (pfu)
500 0.005
1000 0.005
2000 0.006
5000 0.009
10000 0.018
15000 0.036
20000 0.036
25000 0.036
30000 0.036
35000 0.036
Altitude (km) >500 MeV (pfu)
500 0.005
1000 0.005
2000 0.006
5000 0.009
10000 0.016
15000 0.016
20000 0.016
25000 0.016
30000 0.016
35000 0.016

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