Pre-hurricane squall line

{
  "id": "MLC-T-MET-002105",
  "term": "Pre-hurricane squall line",
  "field": "Meteorology and atmospheric science",
  "term_source": "Pre-Hurricane Squall Line",
  "definition": "It is often the first serious indication that a hurricane is approaching. It is a generally a straight line and resembles a squall-line that occurs with a mid-latitude cold front. It is as much as 50 miles or even more before the first ragged rain echoes of the hurricane's bands and is usually about 100 to 200 miles ahead of the eye, but it has been observed to be as much as 500 miles ahead of the eye in the largest hurricanes.",
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/pre-hurricane-squall-line/"
}