High. Anticyclone
Trough
Upper front
Secondary front
Eye of storm
Sleet
il
Ridge
Ridge of high pressure
Thunderstorm (TSTM)
Thunder
Depression
Rain
Long-range forecast
. Mist. Haze
. Isobars. Isotherms Short-range forecast
Shower
Sleet
Damp
, Frost, freezing
Drizzle
Monsoons
Cloud
Widely-scattered TSTMS
Occlusion
Precipitation
Sea subsiding
Overcast
Polar front
Hurricane warning
Discontinuance
Forecast
Clearing up
Dew
Col
Strong
Occasional
. Snow. Sleet
Blizzard
Snow pellets
Stratosphere
Dry
Typhoon
Dew point
Tropical cyclone
Troposphere
. Fog. Haze
Moderate
Hurricane
. / Front. Cold/warm
Thunderhead
Frontal wave
Low. Cyclone
Squall
Storm warning
Beaufort scale
Calm, less than 1 knot
Light air, 1-3 knots 1
2 Light breeze, 4-5 knots
Gentle breeze, 7-8 knots 3
4 Moderate breeze,
11-16 knots
5 Fresh breeze,
17-21 knots
6 Strong breeze,
22-27 knots
Near (hard) gale, 7 22-33 knots
8 Gale, 34-40 knots 9 Strong gale,
41-47 knots
10 Storm, 48-55 knots 11 Violent storm,
56-63 knots
12 Hurricane, 64 and over
knots
. Gust. Gusty wind
Squall
Sea breeze
Land breeze
Prevailing wind
Trade-wind
Bora
Sirocco
Norther
, Whirlwind, water-spout
Duststorm
Sandstorm
Shift of wind veer
Shift of wind back
Typhoon
Low
The wind is blowing
from S
The weather is
improving
The weather was bad The weather will be
fine
The wind has fallen ()
What is the w. f. for
? Tomorrow?
- SE wind near 10 kt 10
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Monsoon
Tornado
Wind ahead (adverse
wind, foul wind, head) Wind aft (following) Side wind Relative wind ()
Wind-force
Becalmed wind
Choppy wind
Wave
- Calm (glassy)
, , Calm (rippled)
1
, Smooth (waveless)
2 , 0,2-0,3
, Slight
3 , 0,5- 1,25
, Moderate
4 , 1,25- 2,5
Rough
5 , 2,5-4,0
Very rough
6 , 4-6
High
7 , 6-9
Very high
8 , 9-12
Phenomenal
9 , 12
5 Seas less than 5 fts
Heavy sea
Surge
Wave lent
I low sea
Surging sea (angry)
Ground sea
No swell
2 Low swell
2-4 Moderate swell 4 Heavy swell
Confused swell
Surge
Surf
Tsunamis
Breaker
100 Short swell waves
0-100 m
100-200 Average swell waves 100-200 m
Long swell waves
200 over 200 m
Chopping (choppy)
Head sea, meeting wave Bow-sea, quarter head wave
Astern sea, following
wave
Quarter(ing) sea
, Sea abeam, athwart sea
]
( )
- 0 Pancake -
- 1 Brash - 1
M - 2 Ice cakes - 2
- 3 Sinai I floe - 3
Medium floe - 4 - 4
Big floe - 5
- 5
Vast floe - 6
- 6
Giant floe - 7
- 7
- 8 Fast ice - 8
- 9 Iceberg - 9
- No form -
( )
New ice - 1 - 1
- 2 Nilas - 2
- 4 Grey ice - 4
- - 5 Grey-white ice - 5
/ Thin first-year/White
- 7 ice - 7
Medium first-year
- 1 ice - 1
Thick first-year
- 4 ice - 4
- 7 Old ice - 7
Iceberg
Bare ice
Friendly ice
Pancake ice
Ice-bound
Big floe
Large fracture
Large ice field
Fracturing
Giant fIoe
Glacier ice
Rotten ice
Sleet
Concentration boundary
Fast-ice boundary
Ridge
Ridge ice
Ridging
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Second-year ice
Anchor ice
Pack ice
Beset
Bight
Flaw polynya
Snow covered ice
Sastrugi
Flooded ice
Flaw lead
Fracture zone
Finger rafting
Finger-rafted ice
Lead
Ice limit
Ice edge
Fast-ice edge
Small floes
Glowler
, Easy area, slight ice
Ice of land origin
Stranded ice
, Grounded ice
Glacier
Ice boundary
Ice cover
Ice blink
Brash ice, slab ice
Ice wall
Floe
Grease ice
Ice front
Ice island
Young coastal ice
Ice Jam
Ice keel
Ice mass if
Ice canopy
Small fracture
Small icefield
Ice cake
Multi-year ice
New ice
Consolidated ridge
Frost smoke
Sea ice
Rafting
Rafted ice
Hostile ice
Floeberg
Nil as
Medium floe
Bergy bit
Vast floes
First-year ice Medium first-year ice
Lake ice
Sky light
Open water
Very close pack ice
( Calving
)
Floating ice
Shearing
Icefoot
Bummick
Belt
Ridged ice zone
Strip
Flaw
Polynya
Shore polynya
Shore lead
Tide crack
Fast ice
Thaw hole
Ice patch
Fracture
Diffuse ice edge
Open pack ice
Glacier berg
Very open pack ice
River ice
Level ice
Standing floe
New ridge
Light Nilas
- Grey-white ice
Grey ice
Nip
Ice under pressure
Icefield
Consolidated pack ice
Ice breccio
Puddle
Snowdnft
Slush
, Compacting
Compacted ice edge
Concentration
Compacted pack ice
Close floating ice
Medium fracture
Medium ice field
Mean ice edge
Grounded hummock
Aged ridge
Old ice
Recurring polynya
Tabular berg
Ram
Dark Nilas
Small ice cake
Thick first-year ice
Thin first-year ice
Topoc Hummock
Hummocked ice
Hummocking
Crack
Difficult area
Very small fracture
Firn
Ice-free / open water
Iceport
Ice shelf
Shuga
Iceberg tongue
Glacier tongue
Tongue
-
(A) Tidal amplitude
Anomalous tides
Coastal line
Great diurnal range
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Bore
Range of tide
Night water
Age of tide
Time of low water
Duration of fall
Time of high water
Duration of rise
Stand of tide
() Higher low water (HLW)
Higher High water (HHW)
()
Height of low water
Height of high water
Height (rise) of tide
Spring rise
Height of mean level
(ML)
Harmonic constants
Depth at any moment
Depth at low water
Depth at high water
, Depth at chart datum
The depth at any moment
Sea level at any moment
Secondary point
Slacken
(, Slack water
)
Low water neaps (LWN)
High water neaps (HWN)
Neap tide
Rat ion of (tide) ranges
Lunar (Lunitidal)
interval
(MB) Low water (LW) Low water neaps Low water springs Shallow tide Mixed tide
() Lower Low water (LLW)
Lower high water (LHW) ()
Datum; datum of
soundings
Chart datum
Datum level
Standard port
Ebb; falling water Ebb current; ebb tide
stream
Period
Rise
() Rise (height) above datum of sounding () High water (HW)
High water neaps
High water springs Semi-diurnal tide
Allowance
Time difference
Height difference
Correction for high
water full and change
High water full and
change
It is high water full 2 20 and change at port at
2 h 20m
Low water full and
change
Tide; flood; raising
water
Tidal wave Interval from high () water/low water
Dead tide
High (low-water)
() spring
Spring
Mixed tide
Fall of tide
Mean sea level
Mean high water spring
(Neaps)
()
Mean tide level
Mean range of tide
Mean higher high water
() High (low water) stand
(, Slack water )
Diurnal inequality
Diurnal tide
Tidal current tables
Tide tables
Height of tide
Morning water
Quarter-diurnal tide
Broken (bn)
Boulders ()
Weeds (Wd)
Volcanic (V)
Sticky (Sy)
Shingle (Sn)
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Gips
Clay ()
Loamy mud
Globigerina
Boulders ()
Pebbles (P)
Gravel (G)
Ground (Gr)
Sponge (Sp)
Diatom mud
Carcareous (Ca)
Mud (M) SiIty sand
Stones (St)
Quarts (Qr)
Shingle (Sn)
Corals (Co)
Lava (Lv)
Glacial (Gl)
Manganese (Mg)
Chalk (Ck)
Fine (f)
Marl (Ml)
Soft (so)
Pumice (Pm)
Sand (S)
Sundy mud
Hard ground
Radiolaria
Shells (Sh)
Light (Lt)
Rock (R)
Schist
Stiff (sf)
Dark (d)
Tufa (T)
Oysters (Oy)
Scoria (Sc)
Grus (Gr)
a Characteristic of barometric tendency
( (3-hours pressure change)
3 )
bi Ice of land origin (icebergs)
()
Ch Type of high cloud (cirrocumulus, cirrostratus)
l Type of low cloud (stratocumulus stratus, cumulus)
Cm Type of medium cloud (altocumulus, altostratus, nimb)
ci Concentration of sea ice
Di Bearing of principal ice edge
( Ds Direction towards which ship is moving
) (Course)
- dd Direction in tens of degrees, from which wind
is blowing
() c- dw1 (dw2) Direction from which first swell waves are
coming
Direction from which (second) swell waves are
coming
- Es Es Thickness of ice accretion in cm
ff Wind speed in knots or metres (second)
UTC GG Hour of observation in whole hours UTC
Hw Hw Height of sea waves in half metres
() Hw1 (Hw2) Height of first swell waves in half metres
Height of (second) swell waves in half metres
h Height of the lowest cloud
- LaLaLa Latitude in degrees and tenths
LoLoLo Longitude in degrees and tenths
N Total amount of cloud; total cloud cover
Nh Lowest cloud cover
PwPw Period of sea waves in seconds
() Pw1 (Pw2) Period of first swell waves in seconds
Period of (second) swell waves in seconds
Pressure in millibars and tenths
Amount of barom. tendency during 3 hrs preceding
3 the time of observation
Rs Rate of ice accretion
Si Stage of development of sea ice
Sn Sign of temperature in code
- Air temperature in whole degrees and tenths
( - (dry bulb temperature) )
TdTdTd Dew-point temperature in whole degrees and
tenths
TwTwTw Sea-surface temperature in degrees and tenths
VV Horizontal visibility
Vs Speed of ship, ship's average speed
W1W2 Past weather (1-primary, 2-secondary)
WW Present Weather
Year
MM Month
() YY Day of the month
- 2i Ice situation and trend
UUU Humidity of the air in per cent
Speed of the current
zz Hundreds of metres of depth
RRR Amount of precipitation
Is Ice accretion cause
iw Wind indicator
iR Precipitations data indicator
ix Weather data indicator
, Qc Quadrant
about ABV above ACPY accompany
ACRS across ADVN advance AFTN afternoon AMS air mass , ARND around AT attitude , AVG average become BCMG becoming BGF big floe BGN begin , BHND behind BLO below
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BRKN broken CHG change CLO cloud , CLR clear CLRG clearing CMNC commence CN concentra- tion
CND condition , CNTR centre CONTN continue close pack
ice , CSTL costal () BSH brash ice DCR decrease , DCRG decreasing developing
low
) OMSH diminish , DNS dense , DFT drift DRZL drizzle DSIPT disperse DSNT distant DST destroy DWLP development DWPNT dew point ENDG ending
ENTR entirely
FCST forecast
FLD field
, FIG falling
FLW follow
, FQT frequent
FQT SHWRS frequent
shower
, FRMG forming
FRST frost
FRZ freeze
FRZN frozen
, GENLY generally
, GND ground
GNDFG ground fog
GRDL gradual
GRP group
(33-43 ) GW gale
wind
HIGH
(12-15 ) SEAS
HRZN horizon
HURCN hurricane
HUREP
HZY hazy
ICE FREE
ICG icing
I NCR increase
INDFT indefinite
, INTS intensive
, INVIC in vicinity
() IPV improve
LCL local
LCLY locally
LGT light
LEAD
LKLY likely
LTL little
LVL level
LWR lower
LYR layer
MBS millibars
MDF medium floe
MDT moderate
, MID middle
MIDN midnight
MIN minimum
MOV movement
MRNQ morning
MSL mean sea
level
NRN northen
OCFNT occlusion
front
OCLN occlusion OCN occasion
OPEN
WATER
1 OPWR open water OVC overcast
PCPN precipita tion
PRO period PRTG protracting PSBL possible PSN position PRLY partly PVL prevail QS quasistationary RDG ridge RMN remain
RPDLY rapidly SCTD scattered SHWRS showers SFC surface
SHFT shift
, SHLW shallow
SHWR shower
, , SL slush
SLGTLY slightly
SLOWLY
SLT sleet SMF small floes
SMK smoke
SNW snow
SQLL squall
STA stationary
STM storm
STNY stationary
STNRY stationary
SVRL several
SW storm wind ( 48 )
SYN synopsis
TD tropical
depression thaw hole THN thin
TROG through TS tropical
storm
TSNWR thundershower
TSTM thunderstorm
TWO toward(s) TY typhoon UNK unknown VAF vast floes VAR variable
VCPK very close (10 ) pack ice
VEL velocity
VOPK very open
pack ice VSB visible VSBY visibility WO wide
WK weak WKN weaken WLY westerly
WNO wind
WRM warm
WRN western
WWD westward
