:Data_list: refm.txt :Created: 2026 May 18 0014 UTC # # Prepared by the U.S. Dept. of Commerce, NOAA, Space Weather Prediction Center. # Please send comments and suggestions to SWPC.Webmaster@noaa.gov # # Relative Electron Forcast Model # Based on observed solar wind speed from ACE spacecraft # (ACE mode, 00 UTC Model Run) # # Observed values valid on date shown (00-00 UTC) # Forecasts valid for subsequent 24-hour periods, as specified # by forecast day number # # Units: fluence and forecast = electrons/cm2-da-sr # Missing data: SW Speed = -999, other fields = -9.9e+04 # # Observed Observed # UTC Date Fluence SW Speed Forecast Forecast Forecast # YR MO DA (>2 MeV) (km/s) Day 1 Day 2 Day 3 #------------------------------------------------------- 2026 03 19 1.6e+08 358 3.1e+07 1.2e+07 2.3e+07 2026 03 20 5.1e+07 447 7.0e+07 5.2e+07 1.2e+08 2026 03 21 9.9e+06 494 1.9e+07 8.1e+07 1.3e+08 2026 03 22 2.3e+07 592 1.1e+08 4.5e+08 1.0e+09 2026 03 23 1.5e+08 653 7.8e+08 2.7e+09 2.1e+09 2026 03 24 5.0e+08 583 9.9e+08 1.0e+09 3.7e+08 2026 03 25 4.7e+08 534 3.2e+08 3.6e+08 1.8e+08 2026 03 26 4.8e+08 464 1.3e+08 8.6e+07 4.4e+07 2026 03 27 3.1e+08 423 1.1e+08 3.7e+07 2.0e+07 2026 03 28 5.0e+07 371 1.5e+07 7.4e+06 5.4e+06 2026 03 29 4.6e+07 381 1.8e+07 5.4e+06 5.7e+06 2026 03 30 4.7e+07 451 6.4e+07 1.7e+07 1.4e+07 2026 03 31 4.4e+07 422 4.6e+07 9.3e+06 7.0e+06 2026 04 01 6.8e+07 404 4.9e+07 6.8e+06 8.6e+06 2026 04 02 1.7e+07 582 9.9e+07 1.8e+08 3.1e+08 2026 04 03 9.1e+07 676 9.0e+08 1.6e+09 1.7e+09 2026 04 04 9.7e+07 618 1.7e+08 9.2e+08 5.0e+08 2026 04 05 2.1e+08 545 1.6e+08 3.7e+08 2.1e+08 2026 04 06 2.6e+08 529 1.5e+08 3.3e+08 2.9e+08 2026 04 07 2.8e+08 453 1.0e+08 1.1e+08 1.3e+08 2026 04 08 3.4e+08 393 9.7e+07 3.8e+07 7.3e+07 2026 04 09 3.3e+08 373 1.1e+08 2.1e+07 3.1e+07 2026 04 10 3.4e+07 486 7.9e+07 8.4e+07 2.1e+08 2026 04 11 4.3e+07 560 1.0e+08 2.6e+08 2.7e+08 2026 04 12 6.1e+07 511 9.3e+07 1.2e+08 5.2e+07 2026 04 13 7.6e+07 432 3.4e+07 2.2e+07 1.1e+07 2026 04 14 8.6e+07 373 1.8e+07 6.6e+06 7.6e+06 2026 04 15 1.1e+08 351 3.2e+07 5.8e+06 8.4e+06 2026 04 16 7.3e+07 326 3.4e+07 3.3e+06 7.7e+06 2026 04 17 1.0e+08 324 4.1e+07 3.0e+06 1.2e+07 2026 04 18 1.1e+07 480 6.7e+07 6.7e+07 2.4e+08 2026 04 19 4.1e+07 489 1.6e+08 9.3e+07 1.1e+08 2026 04 20 3.7e+07 478 7.7e+07 7.8e+07 6.1e+07 2026 04 21 9.4e+07 514 1.8e+08 1.4e+08 9.4e+07 2026 04 22 2.1e+08 492 2.0e+08 1.1e+08 6.3e+07 2026 04 23 1.8e+08 444 1.1e+08 4.7e+07 2.0e+07 2026 04 24 2.5e+08 388 8.0e+07 1.1e+07 6.4e+06 2026 04 25 1.5e+07 407 6.6e+06 1.1e+07 1.0e+07 2026 04 26 2.0e+07 458 3.0e+07 3.7e+07 4.0e+07 2026 04 27 1.4e+07 444 1.7e+07 3.4e+07 4.7e+07 2026 04 28 1.5e+07 371 6.5e+06 1.1e+07 1.3e+07 2026 04 29 1.9e+07 325 8.0e+06 4.7e+06 1.0e+07 2026 04 30 1.5e+07 395 1.5e+07 1.5e+07 3.2e+07 2026 05 01 1.5e+07 467 5.9e+07 5.6e+07 5.3e+07 2026 05 02 2.1e+07 434 2.8e+07 2.5e+07 1.6e+07 2026 05 03 2.1e+07 417 1.4e+07 1.8e+07 1.2e+07 2026 05 04 2.0e+07 413 1.8e+07 1.9e+07 1.4e+07 2026 05 05 1.4e+07 402 1.2e+07 1.6e+07 1.7e+07 2026 05 06 2.2e+07 370 1.3e+07 1.1e+07 1.2e+07 2026 05 07 2.3e+07 366 1.8e+07 8.4e+06 1.0e+07 2026 05 08 1.6e+07 499 6.8e+07 8.2e+07 8.0e+07 2026 05 09 1.4e+07 505 3.7e+07 7.5e+07 3.5e+07 2026 05 10 1.6e+07 422 9.9e+06 1.6e+07 6.0e+06 2026 05 11 1.7e+07 384 7.8e+06 7.9e+06 3.6e+06 2026 05 12 1.7e+07 359 7.6e+06 3.6e+06 2.5e+06 2026 05 13 1.7e+07 413 1.7e+07 8.4e+06 9.1e+06 2026 05 14 1.2e+07 420 1.4e+07 1.1e+07 1.1e+07 2026 05 15 1.2e+07 540 6.4e+07 1.3e+08 2.3e+08 2026 05 16 4.5e+07 673 4.9e+08 2.6e+09 2.9e+09 2026 05 17 2.9e+08 616 9.2e+08 2.1e+09 1.1e+09