AWC Graphical Forecast for Aviation (original) (raw)

TAF Station Plot
Weather Symbols
Flight Cat
LIFR IFR MVFR VFR
non-ceiling clouds below 3000 ft All Symbols

| PIREP | | | | | | | | | | | | --------------------------- | --- | ----- | --- | ---- | --- | --- | --- | --- | -- | | | Turb | Ice | Other | | | | | | | | | | | | | | | | | | | | | | | | | NIL | LGT | MOD | SEV | LLWS | NIL | LGT | MOD | SEV | | |

Radar (dBZ)
5 15 25 35 45 55 65
Radar Echo Tops (kft)
5 15 25 35 45 55 65
Lightning (event density per 5 min)
No Coverage over Alaska
10 20 30 40 50 60 70
Wind Speed (kt)
10 20 30 40 80 120 160
Wind Barbs
Calm 15kt 60kt 25G30kt
Sky Coverage <FL180
FEW SCT BKN OVC
Cloud Top (MSL x100 ft)
060 120 180 300 420
Cloud Base (MSL x100 ft)
060 120 180
Sky Cover <FL180
SKC FEW SCT BKN OVC
Flight Cat
LIFR IFR MVFR
Ceiling (ft AGL)
100 300 500 700 1000 2000
Weather Symbols
Visibility (SM)
0.25 0.5 1 2 3 4
Weather Symbols
Density Alt Dev (ft)
500 1000 1500 2000 2500 3000 3500 4000
Weather Symbols
Precipitation
Rain Snow Mix Ice TS
Chance
Likely Severe
Weather Symbols
Weather
Haze Smoke Fog Dust/Sand
Thunderstorm
ISOL SCT NUM
Weather Symbols
TCF
Coverage Lines
Sparse25-39% Medium40-74% Solid75-100%
Echo Tops (hft)
<40 dBz
≥40 dBz
<25 25-30 30-35 35-40 >40
SPC Convective Outlook
TSTM MRGL SLGT ENH MDT HIGH
SPC Product Description
Winter Weather
Snow Mix Ice
Chance
Likely
Weather Symbols
Icing Severity
Trace Light Mod Heavy
Icing Severity with SLD
Trace Light Mod Heavy SLD
Icing Probability (%)
5 15 25 35 45 55 65 75
Freezing Level (MSL x100ft)
010 030 050 070 090 110 130 150 170
RAP Icing (%)
10 20 30 40 50 60 70 80 90 100
Temperature
C -70 -65 -60 -55 -50 -45 -40 -35 -30 -25 -20 -15 -10 -5 0 5 10 15 20 25 30 35
F -94 -85 -76 -67 -58 -49 -40 -31 -22 -13 -4 5 14 23 32 41 50 59 68 77 86 95
GTG (Eddy Dissipation Rate)
L MOD SEV E Heavy
LGT MOD SEV EXTRM Medium
L MOD SEV EXTRM Light
10 20 40 60 80 100
(m2/s3)1/3 × 100
LLWS (/s)
0 .06 .12 .18 .24 .3
Terrain
Below Surface

SIGMET

Conv-ective
Thunderstorm
TropCyclone
BlowingDust/Sand
VolcanicAsh
Turb
Icing

G-AIRMET/AIRMET

SfcWind
LLWS
TurbHigh
TurbLow
FrzLvl
Icing
MtnObsc
Cig/Vis(IFR)

NWS Warnings

Tornado
SevereTS
WinterStorm
Blizzard
IceStorm
LakeEffectSnow
Storm
Gale
HighWind