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
128	MSLSA	Pa	Mean sea level pressure (Std Atm)
130	MSLET	Pa	Mean sea level pressure (ETA model)
131	LFTX	K	Surface lifted index
132	4LFTX	K	Best (4-layer) lifted index
134	PRESN	Pa	Pressure (nearest grid point)
135	MCONV	kg/kg/s	Horizontal moisture divergence
136	VWSH	1/s	Vertical speed shear
139	PVMW	1/s/m	Potential vorticity (mass-weighted)
140	CRAIN	non-dim	Categorical rain [yes=1; no=0]
141	CFRZR	non-dim	Categorical freezing rain [yes=1; no=0]
142	CICEP	non-dim	Categorical ice pellets [yes=1; no=0]
143	CSNOW	non-dim	Categorical snow [yes=1; no=0]
144	SOILW	fraction	Volumetric soil moisture (frozen + liquid)
145	PEVPR	W/m^2	Potential evaporation rate
146	VEGT	K	Vegetation canopy temperature
147	BARET	K	Bare soil surface skin temperature
148	AVSFT	K	Average surface skin temperature
149	RADT	K	Effective radiative skin temperature
150	SSTOR	kg/m^2	Surface water storage
151	LSOIL	kg/m^2	Liquid soil moisture content (non-frozen)
152	EWATR	W/m^2	Open water evaporation (standing water)
153	CLWMR	kg/kg	Cloud water
155	GFLUX	W/m^2	Ground Heat Flux
156	CIN	J/kg	Convective inhibition
157	CAPE	J/kg	Convective available potential energy
158	TKE	J/kg	Turbulent Kinetic Energy
159	MXSALB	%	Maximum snow albedo
160	SOILL	fraction	Liquid volumetric soil moisture (non-frozen)
161	ASNOW	kg/m^2	Frozen precipitation (e.g. snowfall)
162	ARAIN	kg/m^2	Liquid precipitation (rainfall)
163	GWREC	kg/m^2	Groundwater recharge
164	QREC	kg/m^2	Flood plain recharge
165	SNOWT	K	Snow temperature, depth-avg
166	VBDSF	W/m^2	Visible beam downward solar flux
167	VDDSF	W/m^2	Visible diffuse downward solar flux
168	NBDSF	W/m^2	Near IR beam downward solar flux
169	NDDSF	W/m^2	Near IR diffuse downward solar flux
170	SNFALB	%	Snow-free albedo
171	RLYRS	non-dim	Number of soil layers in root zone
172	MFLX	N/m^2	Momentum flux
173	LMH	non-dim	Mass point model surface
174	LMV	non-dim	Velocity point model surface
175	MLYNO	non-dim	Model layer number (from bottom up)
176	NLAT	deg	Latitude (-90 to +90)
177	ELON	deg	East longitude (0-360)
178	ICMR	kg/kg	Ice mixing ratio
179	ACOND	m/s	Aerodynamic conductance
180	SNOAG	s	Snow age
181	CCOND	m/s	Canopy conductance
182	LAI	non-dim	Leaf area index (0-9)
183	SFCRH	m	Roughness length for heat
184	SALBD	%	Snow albedo (over snow cover area only)
187	NDVI	non-dim	Normalized Difference Vegetation Index
188	DRIP	kg/m^2	Rate of water dropping from canopy to gnd
189	LANDN	non-dim	Land-sea coverage (nearest neighbor) [land=1, sea=0]
190	HLCY	m^2/s^2	Storm relative helicity
191	NLATN	deg	Latitude (nearest neighbor) (-90 to +90)
192	ELONN	deg	East longitude (nearest neighbor) (0-360)
194	CPOFP	%	Prob. of frozen precipitation
196	USTM	m/s	u-component of storm motion
197	VSTM	m/s	v-component of storm motion
198	SBSNO	W/m^2	Sublimation (evaporation from snow)
199	EVBS	W/m^2	Direct evaporation from bare soil
200	EVCW	W/m^2	Canopy water evaporation
202	APCPN	kg/m^2	Total precipitation (nearest grid point)
203	RSMIN	s/m	Minimal stomatal resistance
204	DSWRF	W/m^2	Downward shortwave radiation flux
205	DLWRF	W/m^2	Downward longwave radiation flux
206	ACPCPN	kg/m^2	Convective precipitation (nearest grid point)
207	MSTAV	%	Moisture availability
208	SFEXC	(kg/m^3)(m/s)	Exchange coefficient
210	TRANS	W/m^2	Transpiration
211	USWRF	W/m^2	Upward short wave radiation flux
212	ULWRF	W/m^2	Upward long wave radiation flux
213	CDLYR	%	Non-convective cloud
214	CPRAT	kg/m^2/s	Convective precip. rate
216	TTRAD	K/s	Temperature tendency by all radiation
218	HGTN	gpm	Geopotential Height (nearest grid point)
219	WILT	fraction	Wilting point
220	FLDCP	fraction	Field Capacity
221	HPBL	m	Planetary boundary layer height
222	SLTYP	index	Surface slope type
223	CNWAT	kg/m^2	Plant canopy surface water
224	SOTYP	index	Soil type
225	VGTYP	index	Vegetation type
226	BMIXL	m	Blackadars mixing length scale
227	AMIXL	m	Asymptotic mixing length scale
228	PEVAP	kg/m^2	Potential evaporation
229	SNOHF	W/m^2	Snow phase-change heat flux
230	SMREF	fraction	Transpiration stress-onset (soil moisture)
231	SMDRY	fraction	Direct evaporation cease (soil moisture)
232	WVINC	kg/m^2	water vapor added by precip assimilation
233	WCINC	kg/m^2	water condensate added by precip assimilation
234	BGRUN	kg/m^2	Subsurface runoff (baseflow)
235	SSRUN	kg/m^2	Surface runoff (non-infiltrating)
237	WVCONV	kg/m^2	Water vapor flux convergence (vertical int)
238	SNOWC	%	Snow cover
239	SNOT	K	Snow temperature
240	POROS	fraction	Soil porosity
241	WCCONV	kg/m^2	Water condensate flux convergence (vertical int)
242	WVUFLX	kg/m	Water vapor zonal flux (vertical int)
243	WVVFLX	kg/m	Water vapor meridional flux (vertical int)
244	WCUFLX	kg/m	Water condensate zonal flux (vertical int)
245	WCVFLX	kg/m	Water condensate meridional flux (vertical int)
246	RCS	fraction	Solar parameter in canopy conductance
247	RCT	fraction	Temperature parameter in canopy conductance
248	RCQ	fraction	Humidity parameter in canopy conductance
249	RCSOL	fraction	Soil moisture parameter in canopy conductance
250	SWHR	K/s	Solar radiative heating
251	LWHR	K/s	Longwave radiative heating
252	CD	non-dim	Surface drag coefficient
253	FRICV	m/s	Surface friction velocity
254	RI	non-dim	Richardson number