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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: 2018-07-23 0900 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 0.008
1000 0.008
2000 0.010
5000 0.016
10000 0.034
15000 0.079
20000 0.231
25000 1.051
30000 1.051
35000 1.051
Altitude (km) >5 MeV (pfu)
500 0.008
1000 0.008
2000 0.010
5000 0.016
10000 0.034
15000 0.079
20000 0.231
25000 0.417
30000 0.417
35000 0.417
Altitude (km) >10 MeV (pfu)
500 0.008
1000 0.008
2000 0.010
5000 0.016
10000 0.034
15000 0.079
20000 0.231
25000 0.280
30000 0.280
35000 0.280
Altitude (km) >30 MeV (pfu)
500 0.008
1000 0.008
2000 0.010
5000 0.016
10000 0.034
15000 0.079
20000 0.149
25000 0.149
30000 0.149
35000 0.149
Altitude (km) >50 MeV (pfu)
500 0.008
1000 0.008
2000 0.010
5000 0.016
10000 0.034
15000 0.079
20000 0.111
25000 0.111
30000 0.111
35000 0.111
Altitude (km) >100 MeV (pfu)
500 0.008
1000 0.008
2000 0.010
5000 0.016
10000 0.034
15000 0.075
20000 0.075
25000 0.075
30000 0.075
35000 0.075
Altitude (km) >500 MeV (pfu)
500 0.008
1000 0.008
2000 0.010
5000 0.016
10000 0.030
15000 0.030
20000 0.030
25000 0.030
30000 0.030
35000 0.030

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