COLD FRONT IN WARM ADVECTION - WEATHER EVENTS

by ZAMG

In comparison to other types of cold fronts, the CF in WA has less precipitation than classical Cold Fronts. Very weak fronts are more frequent than with the other types and very severe weather events are less frequent.

Parameter Description

Precipitation

Mostly slight, sometimes moderate precipitation

Temperature

Falls slowly after the passage of the surface front

Wind (incl. gusts)

Veering of the wind at the front passage

Other relevant information

Quite often an inactive front in terms of precipitation and cloudiness (= 1/3 of cases)
Risk of moderate icing
Small risks of thunderstorms
Sometimes front only consists of low cloudiness
Less precipitation than in a classical Cold Front

	10 June 1999/06.00 UTC - Meteosat IR image; weather events (green: rain and showers, blue: drizzle, cyan: snow, red: thunderstorm, black: no precipitation), blue: amount of precipitation during last 12 hours, magenta: areas excluded from precipitation analysis

SUB-MENU OF COLD FRONT IN WARM ADVECTION

TYPICAL APPEARANCE IN VERTICAL CROSS SECTIONS

REFERENCES

Parameter	Description
Precipitation	Mostly slight, sometimes moderate precipitation
Temperature	Falls slowly after the passage of the surface front
Wind (incl. gusts)	Veering of the wind at the front passage
Other relevant information	Quite often an inactive front in terms of precipitation and cloudiness (= 1/3 of cases) Risk of moderate icing Small risks of thunderstorms Sometimes front only consists of low cloudiness Less precipitation than in a classical Cold Front