Fronts Flashcards
What are the types of fronts?
Cold, warm stationery, and occluded
What is cold front?
When cold dense and stable air undercuts a warmer air mass
What is typical cold front weather with respect to clouds?
Before - towering cumulus or Cb
During - towering cumulus or Cb
After - Cumulus
What is typical cold front weather with respect to precipitation ?
Before - Showers
During - heavy showers
After - slow decreasing showers
What is typical cold front weather with respect to visibility?
Before - Haze but fair
During - poor
After - good
What is typical cold front weather with respect to winds?
Before - ssw
During - variable and gusty
After - WNW
What is typical cold front weather with respect to temperature?
Before - warm
During - cooler
After - continue cooler
What is typical cold front weather with respect to pressure
Before - falling
During - bottoms then rises
After - rising
What is warm front
When warm air overtakes cooler air
What is typical warm front weather with respect to clouds?
Before - Fog/stratiform
During - stratiform
After - stratocumulus (cb in summer)
What is typical warm front weather with respect to precipitation?
Before - drizzle
During - drizzle (if)
After - rain (if)
What is typical warm front weather with respect to visibility?
Before - poor
During - improving
After - fair (haze)
What is typical warm front weather with respect to winds?
Before - SSE
During - Variable
After - SSW
What is typical warm front weather with respect to temperature?
Before - Cool
During - rising
After - rising
What is typical warm front weather with respect to pressure?
Before - falling
During - steady
After - falling
What is cold front occlusion?
Cold air catches up with cooler air ahead of the warm front in front of it
What is cold front occlusion?
Cold air catches up with cooler air ahead of the warm front in front of it
What is a warm front occlusion?
Cool air catches up with the cold air, which is ahead of the warm front ahead of it
What is typical occluded front weather with respect to clouds?
Before - stratiform
During - nimbostratus
After - nimbostratus
What is typical occluded front weather with respect to precipitation?
Before - light to heavy
During - light to heavy
After - light to moderate
What is typical occluded front weather with respect to visibility?
Before - Poor
During - poor
After - improving
What is typical occluded front weather with respect to pressure?
Before - falling
During - steady
After - slight drop
