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 Data
 Flight Path & Vertical Cross Section
Top: FL
ft MSL
Station Plot
TAF Station Plot
Flight Cat Dots
LIFRIFRMVFRVFR
non-ceiling clouds below 3000 ft
PIREP
TurbIceOther
||
NILLGTMODSEVLLWSNILLGTMODSEV

Weather Symbols
Satellite Infrared (C)
-100-84-76-68-62-56-50-44-38-32-22-102142638
Radar (dBZ)
5152535455565
Radar Echo Tops (kft)
5152535455565
Lightning (event density per 5 min)
No Coverage over Alaska
10203040506070
Wind Speed (kt)
1020304080120160
Wind Barbs
Calm15kt60kt25G30kt
Sky Coverage <FL180
FEWSCTBKNOVC
Cloud Top (MSL x100 ft)
060120180300420
Cloud Base (MSL x100 ft)
060120180
Sky Cover <FL180
SKCFEWSCTBKNOVC
Flight Cat
LIFRIFRMVFR
Ceiling (ft AGL)
10030050070010002000
Visibility (SM)
0.250.51234
Density Alt Dev (ft)
5001000150020002500300035004000
PrecipitationWeather
Chance
LikelySevere
RainSnowMixIceTSHazeSmokeFogDust
Thunderstorm
ISOLSCTNUM
Reflectivity
510152025303540455055606570
Reflectivity
Rain
Freezing Rain
Ice Pellets
Snow
510152025303540455055606570
TCF
CoverageLines
Sparse
25-39%
Medium
40-74%
Solid
75-100%
Echo Tops (hft)
<40 dBz
≥40 dBz
<2525-3030-3535-40>40
SPC Convective Outlook
TSTMMRGLSLGTENHMDTHIGH
Winter Weather
Chance
Likely
SnowMixIce
Icing Severity
TraceLightModHeavy
Icing Severity with SLD
TraceLightModHeavySLD
Icing Probability (%)
515253545556575
Freezing Level (MSL x100ft)
010030050070090110130150170
RAP Icing (%)
102030405060708090100
Temperature
C-70-65-60-55-50-45-40-35-30-25-20-15-10-505101520253035
F-94-85-76-67-58-49-40-31-22-13-4514233241505968778695
GTG (Eddy Dissipation Rate × 100)
Lgt
Moderate
  Severe
Ex
Heavy
Lgt
Moderate
  Severe
Extreme
Medium
L
Moderate
  Severe
Extreme
Light
10203040506070809098
LLWS (/s)
0.06.12.18.24.3
Terrain
Below Surface
SIGMET/CWA
Conv-
ective
Thunder
storm
Trop
Cyclone
Blowing
Dust/Sand
Volcanic
Ash

Turb

Icing
G-AIRMET/AIRMET
Sfc
Wind

LLWS
Turb
High
Turb
Low
Frz
Lvl

Icing
Mtn
Obsc
Cig/Vis
(IFR)
NWS Warnings

Tornado
Severe
TS
Winter
Storm

Blizzard
Ice
Storm
Lake
Eff Snow

Storm

Gale
High
Wind
Turbulence EDR (m2/3 s-1 x 100)
1020406080100
Icing Severity
TraceLightModHeavy
CB Tops (1000 ft)
27303336394245485155
Wind Speed (kt)
60708090100110120130140150

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