MLchartDataset catalogue

Omega high

Term · Meteorology and atmospheric science · MLC-T-MET-001935

A warm high aloft which has become displaced and is on the polarward side of the jet stream. It frequently occurs in the late winter and early spring in the Northern Hemisphere. The name comes from its resemblance to the Greek letter, Omega, when analyzed on upper air charts. It is an example of a blocking high.

Table 1. Record
IdentifierMLC-T-MET-001935
FieldMeteorology and atmospheric science
ReferencesNWS Glossary
Record as JSON 
{
  "id": "MLC-T-MET-001935",
  "term": "Omega high",
  "field": "Meteorology and atmospheric science",
  "term_source": "Omega High",
  "definition": "A warm high aloft which has become displaced and is on the polarward side of the jet stream. It frequently occurs in the late winter and early spring in the Northern Hemisphere. The name comes from its resemblance to the Greek letter, Omega, when analyzed on upper air charts. It is an example of a blocking high.",
  "references": [
    "NWS Glossary"
  ],
  "url": "https://mlchart.com/terminology/meteorology/omega-high/"
}

Record 6,740 of 10,816 in Meteorology and atmospheric science terminology (MLC-0110). Request the full dataset.