Sudden impulse (SI+ or SI-)
Term · Meteorology and atmospheric science · MLC-T-MET-002689
In solar-terrestrial terms, a sudden perturbation of several gammas
in the northward component of the low-latitude geomagnetic field,
not associated with a following geomagnetic storm. (An SI becomes
an SC if a storm follows.)
| Identifier | MLC-T-MET-002689 |
|---|---|
| Field | Meteorology and atmospheric science |
| References | NWS Glossary |
Record as JSON
{
"id": "MLC-T-MET-002689",
"term": "Sudden impulse (SI+ or SI-)",
"field": "Meteorology and atmospheric science",
"term_source": "Sudden Impulse (SI+ or SI-)",
"definition": "In solar-terrestrial terms, a sudden perturbation of several gammas\nin the northward component of the low-latitude geomagnetic field,\nnot associated with a following geomagnetic storm. (An SI becomes\nan SC if a storm follows.)",
"references": [
"NWS Glossary"
],
"url": "https://mlchart.com/terminology/meteorology/sudden-impulse-si-plus-or-si/"
}
Record 9,313 of 10,816 in Meteorology and atmospheric science terminology (MLC-0110). Request the full dataset.