| Meteorological classification of snow crystals (Magono and Lee,
1966) |
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| N Needle crystal |
1. Simple needle |
a. Elementary needle |
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b. Bundle of
elementary needles |
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c. Elementary sheath |
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d. Bundle of
elementary sheaths |
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e. Long solid column |
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2. Combination of |
a. Combination of
needles |
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needle crystals |
b. Combination of
sheaths |
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c. Combination of long solid columns |
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| C Columnar crystal |
1. Simple column |
a. Pyramid |
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b. Cup |
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c. Solid bullet |
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d. Hollow bullet |
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e. Solid column |
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f. Hollow column |
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g. Solid thick plate |
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h. Thick plate of
skelton form |
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i. Scroll |
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2. Combination of columns |
a. Combination of
bullets |
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b. Combination of
columns |
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| P Plane crystal |
1.
Regular crystal |
a. Hexagonal plate |
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developed in one plane |
b. Crystal with sectorlike branches |
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c. Crystal with broad
branches |
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d. Stellar crystal |
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e. Ordinary dendritic
crystal |
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f. Fernlike crystal |
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2. Plane crystal with |
a. Stellar crystal with
plates at ends |
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extensions of different |
b. Stellar crystal with
sectorlike ends |
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form |
c. Dendritic crystal with
plates at ends |
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d. Dendritic crystal with
sectorlike ends |
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e. Plate with simple extensions |
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f. Plate with sectorlike
extensions |
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g. Plate with dendritic
extensions |
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3. Crystal with
irregular |
a. Two-branched crystal |
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number of branches |
b. Three-branched
crystal |
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c. Four-branched
crystal |
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4. Crystal with 12 branches |
a. Broad branch crystal with 12 branches |
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b. Dendritic crystal with 12 branches |
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5. Malformed crystal |
Many varieties |
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6. Spatial assemblage
of |
a. Plate with spatial
plates |
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plane
branches |
b. Plate with spatial
dendrites |
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c. Stellar
crystal with spatial plates |
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d. Stellar
crystal with spatial dendrites |
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7. Radiating assemblage
of |
a. Radiating assemblage of
plates |
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plane
branches |
b. Radiating assemblage of dendrites |
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| CP Combination of |
1. Column with plane |
a. Column with plates |
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column and plane |
crystals at both ends |
b. Column with
dendrites |
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crystals |
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c. Multiple capped
column |
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2. Bullet with plane
crystals |
a. Bullet with plates |
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b. Bullet with
dendrites |
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3. Plane crystal with
spatial |
a. Stellar crystal
with needles |
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extensions at ends |
b. Stellar crystal
with columns |
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c. Stellar
crystal with scrolls at ends |
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d. Plate with scrolls
at ends |
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| S Columnar crystal |
1. Side planes |
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| with extended
side |
2. Scalelike side
planes |
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| planes |
3. Combination of side
planes, |
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bullets and columns |
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| R Rimed crystal |
1. Rimed crystal |
a. Rimed needle crystal |
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cloud |
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b. Rimed columnar
crystal |
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| droplets
attached) |
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c. Rimed plate or
sector |
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d. Rimed stellar
crystal |
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2. Densely rimed crystal |
a. Densely rimed
plate or sector |
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b. Densely rimed
stellar crystal |
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c.
Stellar crystal with rimed spatial branches |
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3. Graupellike snow |
a. Graupellike
snow of hexagonal type |
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b. Graupellike snow
of lump type |
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c.
Graupellike snow with nonrimed extensions |
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4. Graupel |
a. Hexagonal graupel |
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b. Lump graupel |
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c. Conelike graupel |
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| I Irregular snow |
1. lce particle |
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| crystal |
2. Rimed particle |
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3. Broken piece from a crystal |
a. Broken branch |
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b. Rimed broken branch |
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4. Miscellaneous |
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| G Germ of snow |
1. Minute column |
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| crystal
(ice crystal) |
2. Germ of skelton form |
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3. Minute hexagonal
plate |
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4. Minute stellar
crystal |
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5. Minute assemblage
of plates |
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6. Irregular germ |
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