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| Latest Values as of 21:56:00 UTC | |||||||||||
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The algorithms used to derive b2i and Kp are valid only between 16 MLT and 5 MLT. Presently, the GOES satellite is at 3 MLT |
 Movie Archive |
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| Original data courtesy of Dr. Howard Singer and NOAA http://www.sec.noaa.gov Send Science questions/comments to Dr. P. Newell Send Web questions/comments to webmaster Formula for converting the GOES magnetometer measurements of magnetotail stretching into nowcast Kp and b2i can be found in the documents Convert GOES To Kp and Convert GOES To b2i |
| UTC | Bx | By | Bz | b2i | Effective Kp |
|---|---|---|---|---|---|
| 20:56:00 | -45.5 | -45.1 | 93 | 65.2 | 1 |
| 20:57:00 | -45.3 | -45.1 | 93 | 65.2 | 1 |
| 20:58:00 | -45.2 | -45.3 | 93 | 65.2 | 1 |
| 20:59:00 | -45.1 | -45.6 | 93 | 65.2 | 1 |
| 21:00:00 | -45.3 | -45.5 | 93 | 65.2 | 1 |
| 21:01:00 | -44.9 | -45.8 | 93 | 65.2 | 1 |
| 21:02:00 | -44.9 | -45.8 | 93 | 65.2 | 1 |
| 21:03:00 | -44.6 | -45.8 | 93.1 | 65.2 | 1 |
| 21:04:00 | -44.7 | -46 | 93 | 65.2 | 1 |
| 21:05:00 | -44.6 | -45.9 | 93 | 65.2 | 1 |
| 21:06:00 | -44.2 | -46.1 | 93.1 | 65.2 | 1 |
| 21:07:00 | -44.4 | -46.2 | 93 | 65.2 | 1 |
| 21:08:00 | -44 | -46.1 | 93.2 | 65.2 | 1 |
| 21:09:00 | -44 | -46.3 | 93.1 | 65.2 | 1 |
| 21:10:00 | -44 | -46.5 | 93.1 | 65.2 | 1 |
| 21:11:00 | -43.5 | -46.5 | 92.1 | 65.2 | 1 |
| 21:12:00 | -43.4 | -46.5 | 92.1 | 65.2 | 1 |
| 21:13:00 | -43.3 | -46.5 | 92.2 | 65.2 | 1 |
| 21:14:00 | -43.4 | -46.7 | 92.1 | 65.2 | 1 |
| 21:15:00 | -43 | -46.6 | 92.2 | 65.2 | 1 |
| 21:16:00 | -43 | -46.7 | 92.2 | 65.2 | 1 |
| 21:17:00 | -42.9 | -46.8 | 92.2 | 65.2 | 1 |
| 21:18:00 | -42.7 | -46.9 | 92.3 | 65.2 | 1 |
| 21:19:00 | -42.7 | -47 | 92.2 | 65.2 | 1 |
| 21:20:00 | -42.3 | -47.1 | 92.3 | 65.2 | 1 |
| 21:21:00 | -42.3 | -47.2 | 92.3 | 65.2 | 1 |
| 21:22:00 | -42 | -47.3 | 92.4 | 65.2 | 1 |
| 21:23:00 | -42.1 | -47.3 | 92.3 | 65.2 | 1 |
| 21:24:00 | -42 | -47.7 | 92.3 | 65.2 | 1 |
| 21:25:00 | -41.8 | -47.6 | 92.3 | 65.2 | 1 |
| 21:26:00 | -41.5 | -47.6 | 92.4 | 65.2 | 1 |
| 21:27:00 | -41.2 | -47.7 | 92.5 | 65.2 | 1 |
| 21:28:00 | -41.2 | -47.6 | 92.5 | 65.2 | 1 |
| 21:29:00 | -41.2 | -47.7 | 92.5 | 65.2 | 1 |
| 21:30:00 | -40.9 | -47.8 | 92.5 | 65.2 | 2.6 |
| 21:31:00 | -40.7 | -47.9 | 92.6 | 65.2 | 2.6 |
| 21:32:00 | -40.6 | -47.9 | 92.6 | 65.2 | 2.6 |
| 21:33:00 | -40.5 | -48 | 92.6 | 65.2 | 2.6 |
| 21:34:00 | -40.5 | -48 | 92.6 | 65.2 | 2.6 |
| 21:35:00 | -40.4 | -48.2 | 92.6 | 65.2 | 2.6 |
| 21:36:00 | -40.4 | -48.3 | 92.6 | 65.2 | 2.6 |
| 21:37:00 | -40 | -48.1 | 91.6 | 65.2 | 2.6 |
| 21:38:00 | -39.9 | -48.3 | 91.6 | 65.2 | 2.6 |
| 21:39:00 | -39.7 | -48.5 | 91.6 | 65.2 | 2.6 |
| 21:40:00 | -39.6 | -48.5 | 91.7 | 65.2 | 2.6 |
| 21:41:00 | -39.4 | -48.5 | 91.7 | 65.2 | 2.6 |
| 21:42:00 | -39.2 | -48.6 | 91.8 | 65.2 | 2.6 |
| 21:43:00 | -39 | -48.7 | 91.8 | 65.2 | 2.6 |
| 21:44:00 | -38.9 | -48.9 | 91.8 | 65.2 | 2.6 |
| 21:45:00 | -38.8 | -49 | 91.8 | 65.2 | 2.6 |
| 21:46:00 | -38.6 | -49.1 | 91.8 | 65.2 | 2.6 |
| 21:47:00 | -38.4 | -49.2 | 91.9 | 65.2 | 2.6 |
| 21:48:00 | -38.2 | -49.2 | 91.9 | 65.2 | 2.6 |
| 21:49:00 | -38.1 | -49.1 | 91.9 | 65.2 | 2.6 |
| 21:50:00 | -38.1 | -49.2 | 91.9 | 65.2 | 2.6 |
| 21:51:00 | -38 | -49.2 | 92 | 65.2 | 2.6 |
| 21:52:00 | -37.8 | -49.3 | 92 | 65.2 | 2.6 |
| 21:53:00 | -37.7 | -49.4 | 92 | 65.2 | 2.6 |
| 21:54:00 | -37.6 | -49.4 | 92 | 65.2 | 2.6 |
| 21:55:00 | -37.5 | -49.5 | 92 | 65.2 | 2.6 |
| 21:56:00 | -37.3 | -49.6 | 92.1 | 65.2 | 2.6 |
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