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Regional Sfc Fields

NEAST=Northeast CONUS
SEAST=Southeast CONUS
NCENT=North Central CONUS
SCENT=South Central CONUS
NWEST=Northwest CONUS
SWEST=Southwest CONUS
BOS-NYC-PHL=Boston/NYC/Philadelphia Metro
DC-BALT=Washington/Baltimore Metro
CHI-DET=Chicago-Detroit
COL=Colorado
OKC=Oklahoma
PNW=Pacific Northwest
CENTCAL=Central California
SOCAL=Southern California

SLP, 1-h Accumulated Precip NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
10-m Wind,
Surface Height
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
10-m Wind
Isotachs
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
10-m Wind
Gust
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Lowest level
wind, sfc height
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Lowest level
wind, isotachs
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
2-m Temp NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
2-m Td NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Lowest Model Layer Temp NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
1-h Precip NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Instantaneous Precip Rate NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Precip Type NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Percent of Frozen Precipitation NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Lowest Model Level Rime Factor NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Precip Water NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Best CAPE NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Sfc CAPE NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Best CIN NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Sfc CIN NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Best CAPE,CIN combined NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Total Cloud
Fraction
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Low Cloud
Fraction
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Middle Cloud
Fraction
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
High Cloud
Fraction
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Total Column
Integrated
Condensate
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Visibility NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Ceiling Hgt NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Composite
Radar
Reflectivity
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
1-km AGL
Radar
Reflectivity
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Radar Echo
Top Height (Kft)
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Mean 150 mb AGL RH, Wind NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Accumulated Snowfall (in, see note at the bottom) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Snow Depth (in) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Snow Depth from F00 (in) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Storm Surface Runoff (mm) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Baseflow-Groundwater Runoff (mm) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL

Regional Sfc Fields - Fire Weather

NEAST=Northeast CONUS
SEAST=Southeast CONUS
NCENT=North Central CONUS
SCENT=South Central CONUS
NWEST=Northwest CONUS
SWEST=Southwest CONUS
BOS-NYC-PHL=New York City Metro
DC-BALT=Washington/Baltimore Metro
CHI-DET=Chicago-Detroit
COL=Colorado
OKC=Oklahoma
PNW=Pacific Northwest
CENTCAL=Central California
SOCAL=Southern California

Haines Index NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Ventilation Rate NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
Transport Wind NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
PBL Height NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
1-h Minimum Relative Humidity NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL

Regional Sfc Fields - Severe Weather

NEAST=Northeast CONUS
SEAST=Southeast CONUS
NCENT=North Central CONUS
SCENT=South Central CONUS
NWEST=Northwest CONUS
SWEST=Southwest CONUS
BOS-NYC-PHL=New York City Metro
DC-BALT=Washington/Baltimore Metro
CHI-DET=Chicago Metro
COL=Denver Metro
OKC=Oklahoma City Metro
PNW=Pacific Northwest
CENTCAL=Central California
SOCAL=Southern California

1-h Maximum 1 km Reflectivity NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
1-h Maximum 400-1000 mb Updraft Vertical Velocity (m/s) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
1-h Maximum 400-1000 mb Downdraft Vertical Velocity (absolute value in m/s) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
1-h Maximum 2-5 km Updraft Helicity (m2/s2) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
1-h Maximum 10-m Wind (kts) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
0-1 km Storm-scale Helicity (m2/s2) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL
0-3 km Storm-scale Helicity (m2/s2) NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
BOS-NYC-PHL
DC-BALT
CHI-DET
COL
OKC
PNW
CENTCA
SOCAL

Regional Upper Level Fields

NEAST=Northeast CONUS
SEAST=Southeast CONUS
NCENT=North Central CONUS
SCENT=South Central CONUS
NWEST=Northwest CONUS
SWEST=Southwest CONUS

500 mb Height, Vorticity NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
700 mb Omega NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
700 mb Height, Temperature NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
850 mb Height, Temperature NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
850 mb RH NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
850 mb Winds (East/Central/West Coast CONUS),
700 mb Winds (Interior West CONUS)
NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
925 mb Temperature NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
250 mb Height, Wind NEAST
SEAST
NCENT
SCENT
NWEST
SWEST

Surface Fluxes/Soil Parameters/Cloud Fields

NEAST=Northeast CONUS
SEAST=Southeast CONUS
NCENT=North Central CONUS
SCENT=South Central CONUS
NWEST=Northwest CONUS
SWEST=Southwest CONUS

Latent Heat Flux NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Sensible Heat Flux NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Ground Heat Flux NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Skin Temperature NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
0-10 cm Soil Temperature NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
0-10 cm Soil Moisture NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Surface Downward Short-wave Flux NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Upward Surface Short-wave Flux NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Net Surface Short-wave Flux NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Net Surface Long-wave Flux NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Cloud Top Pressure NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Cloud Base Pressure NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Total Column-Integrated Liquid NEAST
SEAST
NCENT
SCENT
NWEST
SWEST
Total Column-Integrated Ice NEAST
SEAST
NCENT
SCENT
NWEST
SWEST

NOTE: As of 3/31/2017, The 3-h accumulated snowfall displayed on this web page is computed using the following formula for snow liquid ratio (SLR)

SLR=MIN(SLRmax., MAX(1, 20./RF) )

where RF is the Rime Factor, and SLRMAX=10