US National Weather Service - NCEP (WMC)

Index	Abbreviation	Units	Longname
1	PRES	Pa	Pressure
2	PRMSL	Pa	Pressure reduced to MSL
3	PTEND	Pa/s	Pressure tendency
4	PVORT	km^2/kg/s	Potential vorticity
5	ICAHT	M	ICAO Standard Atmosphere Reference Height
6	GP	m^2/s^2	Geopotential
7	HGT	gpm	Geopotential height
8	DIST	m	Geometric height
9	HSTDV	m	Std dev of height
10	TOZONE	Dobson	Total ozone
11	TMP	K	Temperature
12	VTMP	K	Virtual temperature
13	POT	K	Potential temperature
14	EPOT	K	Pseudo-adiabatic potential temperature
15	T_MAX	K	Maximum temperature
16	T_MIN	K	Minimum temperature
17	DPT	K	Dew point temperature
18	DEPR	K	Dew point depression
19	LAPR	K/m	Lapse rate
20	VIS	m	Visibility
21	RDSP1	non-dim	Radar spectra (1)
22	RDSP2	non-dim	Radar spectra (2)
23	RDSP3	non-dim	Radar spectra (3)
24	PLI	K	Parcel lifted index (to 500 hPa)
25	TMP_A	K	Temperature anomaly
26	PRESA	Pa	Pressure anomaly
27	GPA	gpm	Geopotential height anomaly
28	WVSP1	non-dim	Wave spectra (1)
29	WVSP2	non-dim	Wave spectra (2)
30	WVSP3	non-dim	Wave spectra (3)
31	WDIR	deg	Wind direction
32	WIND	m/s	Wind speed
33	U_GRD	m/s	u-component of wind
34	V_GRD	m/s	v-component of wind
35	STRM	m^2/s	Stream function
36	V_POT	m^2/s	Velocity potential
37	MNTSF	m^2/s^2	Montgomery stream function
38	SGCVV	/s	Sigma coord. vertical velocity
39	V_VEL	Pa/s	Pressure vertical velocity
40	DZDT	m/s	Geometric vertical velocity
41	ABS_V	/s	Absolute vorticity
42	ABS_D	/s	Absolute divergence
43	REL_V	/s	Relative vorticity
44	REL_D	/s	Relative divergence
45	VUCSH	/s	Vertical u-component shear
46	VVCSH	/s	Vertical v-component shear
47	DIR_C	deg	Direction of current
48	SP_C	m/s	Speed of current
49	UOGRD	m/s	u-component of current
50	VOGRD	m/s	v-component of current
51	SPF_H	kg/kg	Specific humidity
52	R_H	%	Relative humidity
53	MIXR	kg/kg	Humidity mixing ratio
54	P_WAT	kg/m^2	Precipitable water
55	VAPP	Pa	Vapor pressure
56	SAT_D	Pa	Saturation deficit
57	EVP	kg/m^2	Evaporation
58	C_ICE	kg/m^2	Cloud Ice
59	PRATE	kg/m^2/s	Precipitation rate
60	TSTM	%	Thunderstorm probability
61	A_PCP	kg/m^2	Total precipitation
62	NCPCP	kg/m^2	Large scale precipitation
63	ACPCP	kg/m^2	Convective precipitation
64	SRWEQ	kg/m^2/s	Snowfall rate water equivalent.
65	WEASD	kg/m^2	Water equivalent of accum. snow depth
66	SNO_D	m	Snow depth
67	MIXHT	m	Mixed layer depth
68	TTHDP	m	Transient thermocline depth
69	MTHD	m	Main thermocline depth
70	MTH_A	m	Main thermocline anomaly
71	T_CDC	%	Total cloud cover
72	CDCON	%	Convective cloud cover
73	L_CDC	%	Low level cloud cover
74	M_CDC	%	Mid level cloud cover
75	H_CDC	%	High level cloud cover
76	C_WAT	kg/m^2	Cloud water
77	BLI	K	Best lifted index (to 500 hPa)
78	SNO_C	kg/m^2	Convective snow
79	SNO_L	kg/m^2	Large scale snow
80	WTMP	K	Water temperature
81	LAND	fraction	Land-sea mask (land=1;sea=0)
82	DSL_M	m	Deviation of sea level from mean
83	SFC_R	m	Surface roughness
84	ALBDO	%	Albedo
85	TSOIL	K	Soil temperature
86	SOIL_M	kg/m^2	Soil moisture content
87	VEG	%	Vegetation
88	SALTY	kg/kg	Salinity
89	DEN	kg/m^3	Density
90	WATR	kg/m^2	Water runoff
91	ICE_C	fraction	Ice concentration (ice=1;no ice=0)
92	ICETK	m	Ice thickness
93	DICED	deg	Direction of ice drift
94	SICED	m/s	Speed of ice drift
95	U_ICE	m/s	u-component of ice drift
96	V_ICE	m/s	v-component of ice drift
97	ICE_G	m/s	Ice growth rate
98	ICE_D	/s	Ice divergence
99	SNO_M	kg/m^2	Snow melt
100	HTSGW	m	Sig height of wind waves and swell
101	WVDIR	deg	Direction of wind waves
102	WVHGT	m	Significant height of wind waves
103	WVPER	s	Mean period of wind waves
104	SWDIR	deg	Direction of swell waves
105	SWELL	m	Significant height of swell waves
106	SWPER	s	Mean period of swell waves
107	DIRPW	deg	Primary wave direction
108	PERPW	s	Primary wave mean period
109	DIRSW	deg	Secondary wave direction
110	PERSW	s	Secondary wave mean period
111	NSWRS	W/m^2	Net short wave radiation (surface)
112	NLWRS	W/m^2	Net long wave radiation(surface)
113	NSWRT	W/m^2	Net short wave radiation (top)
114	NLWRT	W/m^2	Net long wave radiation (top)
115	LWAVR	W/m^2	Long wave radiation
116	SWAVR	W/m^2	Short wave radiation
117	G_RAD	W/m^2	Global radiation
118	BRTMP	K	Brightness temperature
119	LWRAD	W/m/sr	Radiance with respect to wave no.
120	SWRAD	W/m^3/sr	Radiance with respect ot wave len.
121	LHTFL	W/m^2	Latent heat flux
122	SHTFL	W/m^2	Sensible heat flux
123	BLYDP	W/m^2	Boundary layer dissipation
124	U_FLX	N/m^2	Momentum flux, u component
125	V_FLX	N/m^2	Momentum flux, v component
126	WMIXE	J	Wind mixing energy
127	IMG_D	none	Image data
139	POZT	kg/kg/s	Ozone production from temperature term
154	OMGALF	K	Omega (Dp/Dt) divide by density
164	COVZZ	m^2/s^2	Covariance between zonal and zonal components of the wind. Defined as [uu]-[u][u], where [] indicates the mean over the indicated time span.
165	COVMM	m^2/s^2	Covariance between meridional and meridional components of the wind. Defined as [vv]-[v][v], where [] indicates the mean over the indicated time span.
166	COVQZ	kg/kg*m/s	Covariance between specific humidity and zonal components of the wind. Defined as [uq]-[u][q], where [] indicates the mean over the indicated time span.
167	COVQM	kg/kg*m/s	Covariance between specific humidity and meridional components of the wind. Defined as [vq]-[v][q], where [] indicates the mean over the indicated time span.
168	COVTVV	K*Pa/s	Covariance between temperature and vertical components of the wind. Defined as [wT]-[w][T], where [] indicates the mean over the indicated time span.
169	COVQVV	kg/kg*Pa/s	Covariance between specific humidity and vertical components of the wind. Defined as [w*q]-[w][q], where [] indicates the mean over the indicated time span.
173	LRGMR	kg/kg/s	Large scale moistening rate
174	VDFOZ	kg/kg/s	Ozone vertical diffusion
175	POZ	kg/kg/s	Ozone production
181	GWDU	m/s^2	Gravity wave drag zonal acceleration
182	GWDV	m/s^2	Gravity wave drag meridional acceleration
183	CNVU	m/s^2	Convective zonal momentum mixing acceleration
184	CNVV	m/s^2	Convective meridional momentum mixing acceleration
185	AKHS	m/s	Surface exchange coefficients for T and Q divided by delta z
186	AKMS	m/s	Surface exchange coefficients for U and V divided by delta z
188	TOZ	kg/kg/s	Ozone tendency
193	EPSR	non-dim	Radiative emissivity
195	QZ0	kg/kg	Specific humidity at top of viscous sublayer
196	CNGWDU	m/s^2	Convective Gravity wave drag zonal acceleration
197	CNGWDV	m/s^2	Convective Gravity wave drag meridional acceleration
201	THZ0	K	Potential temperature at top of viscous sublayer
202	CNVUMF	kg/m^2/s	Convective updraft mass flux
203	COVPSPS	Pa*Pa	Covariance between surface pressure and surface pressure. Defined as [Psfc]-[Psfc][Psfc], where [] indicates the mean over the indicated time span.
204	QMAX	kg/kg	Maximum specific humidity at 2m
205	QMIN	kg/kg	Minimum specific humidity at 2m
206	COVQQ	kg/kg*kg/kg	Covariance between specific humidity and specific humidy. Defined as [qq]-[q][q], where [] indicates the mean over the indicated time span.
209	CNVDMF	kg/m^2/s	Convective downdraft mass flux
219	CNVDEMF	kg/m^2/s	Convective detrainment mass flux
220	COVVVVV	Pa^2/s^2	Covariance between vertical and vertical components of the wind. Defined as [w]-[w][w], where [] indicates the mean over the indicated time span.
234	COVTT	K*K	Covariance between temperature and temperature. Defined as [TT]-[T][T], where [] indicates the mean over the indicated time span.
236	WTEND	m/s^2	Tendency of vertical velocity
239	POZO	kg/kg/s	Ozone production from col ozone term