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NCEP distributes output from the High Resolution Rapid Refresh (HRRR) model via NOAAPORT and the SBN with the following WMO headers:

T1T2A1A2ii   CCCC

where:

CCCC = KWBY

T1 = Y (GRIB2 Products)

T2 A - total cloud A - dew point temperature
  A - wind speed at 10 m above ground  
  D - percent of frozen precipitation E - total precipitation
  F - precipitable water H - height
  H - height of cloud top H - lifted condensation level
  H - planetary boundary layer height H - model terrain height
  K - surface visibility  
  M - categorical precipitation types (snow, ice pellets, freezing rain and rain) N - wind gust speed
  O - vertical velocity O - mean vertical velocity
  P - pressure mean sea level P - surface pressure
  P - Pressure of level from which parcel was lifted  
  Q - best 4 layers lifted index  
  S - Snow depth S - Water equivalent accumulated snow depth
  T - temperature U - U component of wind
  U - U component of wind shear - Low Level U - U component of wind shear - Deep Layer
  V - V component of wind V - V component of wind shear - Low Level
  V - V component of wind shear - Deep Layer W - CAPE
  X - surface lifted index Y - CIN
  Z - radar reflectivity Z - maximum radar reflectivity
  Z - composite radar reflectivity Z - echo top
  Z - radar vertically-integrated liquid water Z - high-level cloud fraction
  Z - mid-level cloud fraction Z - low-level cloud fraction
  Z - lightning Z - storm relative helicty
  Z - maximum of updraft helicity over layer 2 to 5km AGL Z - maximum updraft velocity
  Z - maximum downdraft velocity Z - total column integrate graupel

 

A1 = C - 2.5 km NDFD grid over CONUS (Lambert Conformal)

 

A2 specifies the forecast time (ranging from 00 to 15 hours)

A= 00, B=01, C=02, D=03, E=04, F=05, G=06, H=07, I=08, J=09, K=10, L=11, M=12, Z=13, Z=14, Z=15

 

ii = 99 - 1000 mb 98 - surface
98 - 10m above ground 98 - 80m above ground
97 - level of the tropopause 96 - level of maximum wind
92 - 925 mb 89 - any parameter reduced to see level
86 - boundary layer 85 - 850 mb
70 - 700 mb 50 - 500 mb
01 - refer to grib PDS 00 - entire atmosphere

Page last modified: 27 April 2023.