Dry Punch - [Slang], a surge of drier air; normally a synoptic-scale or mesoscale process. A dry punch at the surface results in a dry line bulge.
DRY PUNCH
A surge of drier air; normally a synoptic-scale or mesoscale process. A dry punch at the surface results in a dry line bulge. A dry punch aloft above an area of moist air at low levels often increases the potential for severe weather.
DRY PUNCH- This is in reference to a region of drier air filtering toward a mid-latitude cyclone or sub-synoptic scale low pressure area. It often has a fan shape with the small end of the fan connecting to the cyclone.
A bulge in the dry line, representing the area where dry air is advancing most strongly at lower levels (i.e., a surface dry punch). Severe weather potential is increased near and ahead of a dry line bulge.
Dry line storm ...
PUNCH (or PUSH)- A fast moving mass of air (e.g. dry punch, cold punch)
PWAT(S)- Precipitable Water value(s)
Q ...
Abundant
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: carbon dioxide, Dry Line Bulge, Dry Punch
Absolutely Stable Air - permalink - collapse ...
(Blowing dust and rising temperatures also may follow, especially if the dry line passes during the daytime; see dry punch). These changes occur in reverse order when the dry line retreats westward.
 See also: Dust, Summer, Air, Weather, Clear
  
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