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Three Model (NAM, NAMRR, NAMX) Combined loops
Sea Level Pressure
SLP, 6-h Accumulated Precipitation
6-h Accumulated Convective Precipitation
Precipitation Type
2-m Temperature
Total Column Precipitable Water
6-h Averaged Total Cloud Fraction
Total Column Condensate
850 mb Height, Temp
850 mb Wind
700 mb Height, RH
700 mb Vertical Velocity
500 mb Height
250 mb Height, Wind Speed
250 mb Wind

SLP, 1000-500 mb
Thickness

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

SLP, 6-H Accumulated
Precipitation (in)

06h 12h 18h 24h
30h 36h 42h 48h
54h 60h 66h 72h
78h 84h 0-84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

SLP, Alaska 6-H Accumulated
Precipitation (in)

06h 12h 18h 24h
30h 36h 42h 48h
54h 60h 66h 72h
78h 84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

24-H Accumulated
Precipitation (in)

06-30h 18-42h
30-54h 42-66h
54-78h

Precipitation Type

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

6-H Accumulated
Convective
Precipitation (in)

06h 12h 18h 24h
30h 36h 42h 48h
54h 60h 66h 72h
78h 84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

Shelter
Temperature (deg C)

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h

Alaska Shelter
Temperature (deg C)

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
N. America Alaska
NAM X X
NAMRR X X
NAMX X X
NAM,NAMRR X X
NAM,NAMX X X
NAMX,NAMRR X X
NAMRR-NAM X X
NAMX-NAM X X
NAMRR-NAMX X X
Combined NAMX-NAM,
NAMRR-NAM
X X

Total Column
Precipitable Water (mm)

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

Total Cloud
Fraction (%)

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMX,NAMRR NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

Total Column
Condensate

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

850 mb Temp, Height

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

850 mb Wind

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

Wind differences

NAMRR-
NAM
NAMX-
NAM
NAMX-
NAMRR
850mb (East) X X X
700mb (Central) X X X
700mb (West) X X X

700mb Height and RH

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

700mb Vertical Velocity

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

700mb Temperature

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

500mb Height
and Vorticity

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

500mb Wind

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR

250mb Height
and Wind Speed (kt)

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Combined
Loop
NAM
NAMRR NAMRR,NAM
NAMX NAMX,NAM
NAMX,NAMRR

250mb Wind

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR

250mb Temperature

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

50mb Temperature

00h 06h 12h 18h
24h 30h 36h 42h
48h 54h 60h 66h
72h 78h 84h
Model
Loop
Difference
Loop
Combined
Loop
NAM
NAMRR NAMRR-NAM NAMRR,NAM
NAMX NAMX-NAM NAMX,NAM
NAMRR-NAMX NAMX,NAMRR
NAMX-NAM,
NAMRR-NAM

6-h averaged
surface fluxes

NAM NAMRR NAMX
Downward
short-wave
X X X
Downward
long-wave
X X X
Upward
short-wave
X X X
Upward
long-wave
X X X
Net short-wave X X X
Net long-wave X X X
Net short-wave
+ long-wave
X X X
Latent heat X X X
Sensible heat X X X
Ground heat X X X

NAM,
NAMRR
NAM,
NAMX
NAMRR,
NAMX
Downward
short-wave
X X X
Downward
long-wave
X X X
Upward
short-wave
X X X
Upward
long-wave
X X X
Net short-wave X X X
Net long-wave X X X
Net short-wave
+ long-wave
X X X
Latent heat X X X
Sensible heat X X X
Ground heat X X X