Noun
warm front (plural warm fronts)
(meteorology) The trailing edge of a retreating mass of cold air.
A cold front will appear on the west side, while a warm front will form on the east side. Source: Internet
First, a warm front will allow clouds to thicken up overnight tonight, but temperatures will still dip into the lower 30s in the nighttime hours, so don’t put away the winter coat just yet. Source: Internet
The sun and moon are visible in clear outline. citation Cirrostratus often thickens into altostratus ahead of a warm front or low-pressure area. Source: Internet
This cloud often forms under a precipitating deck of altostratus or high-based nimbostratus associated with a well-developed warm front, slow-moving cold front, or low-pressure area. Source: Internet
A warm front is lifting through southwest Alabama, and we find temperatures in the upper 60s to low 70s there. Source: Internet
A warm front will lift into the area by Thursday. Source: Internet