Blackthorn winter

{
  "id": "MLC-T-MET-003946",
  "term": "Blackthorn winter",
  "field": "Meteorology and atmospheric science",
  "definition": "A period of cold weather that occurs in early spring in the British Isles, coinciding with the blossoming of the blackthorn shrub. This cold spell brings a return of frosty conditions and northerly winds after an initial period of milder spring weather. It is a traditional term reflecting a recurring meteorological phenomenon.",
  "url": "https://mlchart.com/terminology/meteorology/blackthorn-winter/"
}