Progress Test 7 Flashcards
(24 cards)
True or False? precipitation is anything that falls from the sky.
True.
At what height cloud does rain or snow require to be present?
Cloud height of 4000ft.
Will stratus cloud have heavier rain or lighter rain?
Lighter rain
What are included in precipitation forecasts?
Type
Intensity
(reports are only the precipitation that occur on the ground)
What is Drizzle classed as and the Abbreviation?
DZ = Liquid precipitation too light to call rain, carried by winds and usually falls from ST or SC clouds.
What is Rain classed as and the Abbreviation?
RA = Liquid precipitation with drops too big to be drizzle and falls from all types of clouds.
What is Snow classed as and the Abbreviation?
SN = Ice crystal precipitation, Only reaches the ground in temperatures less than 4 degrees.
What is Snow grains classed as and the Abbreviation?
SG = Small ice Particles (frozen drizzle)
What is Hail classed as and the Abbreviation?
GR = Ice stones, falls from well developed CB’s.
GS = can be used for small hail
What is Ice Pellets classed as and the Abbreviation?
PL = Clear ice pellets that fall from NS type clouds.
What is Diamond Dust classed as and the Abbreviation?
IC = Clear ice crystals suspended in the air in calm artic conditions.
What are the three intensity designations?
No Prefix = Moderate intensity
+ prefix = heavy intensity
- Prefix = Light intensity
What does TS stand for?
Thunderstorms
What does SH stand for?
Showers
What does SQ stand for?
Squalls
What does ISOL stand for?
isolated
What does OCNL stand for?
Ocasional
What does NIL stand for?
No precipitation
What does RE stand for?
recent
What does VC stand for?
Vicinity
What does LOC stand for?
Locally
What does MON stand for?
Mountainous Regions
What does LAN stand for?
Over land regions
What does COT stand for?
Over coastal regions
