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
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	HVAR	m^2	Variance of height
11	TMP	K	Temp.
12	VTMP	K	Virtual temp.
13	POT	K	Potential temp.
14	EPOT	K	Pseudo-adiabatic pot. temp.
15	T_MAX	K	Max. temp.
16	T_MIN	K	Min. temp.
17	DPT	K	Dew point temp.
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)
25	TMP_A	K	Temp. 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 wind
34	V_GRD	m/s	v 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 shear
46	VVCSH	/s	Vertical v shear
47	DIR_C	deg	Direction of current
48	SP_C	m/s	Speed of current
49	UOGRD	m/s	u of current
50	VOGRD	m/s	v of current
51	SPFH	kg/kg	Specific humidity
52	RH	%	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 equiv.
65	WEASD	kg/m^2	Accum. snow
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
78	SNO_C	kg/m^2	Convective snow
79	SNO_L	kg/m^2	Large scale snow
80	WTMP	K	Water temp.
81	LAND	1=land; 0=sea	Land-sea mask
82	DSL_M	m	Deviation of sea level from mean
83	SFC_R	m	Surface roughness
84	ALBDO	%	Albedo
85	TSOIL	K	Soil temp.
86	SOIL_M	kg/m^2	Soil moisture content
87	VEG	%	Vegetation
88	SALTY	kg/kg	Salinity
89	DEN	kg/m^3	Density
90	RUNOF	kg/m^2	Runoff
91	ICE_C	ice=1;no ice=0	Ice concentration
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 of ice drift
96	V_ICE	m/s	v 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	Sig height of wind waves
103	WVPER	s	Mean period of wind waves
104	SWDIR	deg	Direction of swell waves
105	SWELL	m	Sig 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 (surface)
112	NLWRS	W/m^2	Net long wave (surface)
113	NSWRT	W/m^2	Net short wave (top)
114	NLWRT	W/m^2	Net long wave (top)
115	LWAVR	W/m^2	Long wave
116	SWAVR	W/m^2	Short wave
117	G_RAD	W/m^2	Global radiation
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	Zonal momentum flux
125	V_FLX	N/m^2	Meridional momentum flux
126	WMIXE	J	Wind mixing energy
127	IMG_D	integer	Image data
128	MSLSA	Pa	Mean sea level pressure (Std Atm)
129	MSLMA	Pa	Mean sea level pressure (MAPS)
130	MSLET	Pa	Mean sea level pressure (ETA model)
131	LFT_X	K	Surface lifted index
132	4LFTX	K	Best (4-layer) lifted index
133	K_X	K	K index
134	S_X	K	Sweat index
135	MCONV	kg/kg/s	Horizontal moisture divergence
136	VW_SH	1/s	Vertical speed shear
137	TSLSA	Pa/s	3-hr pressure tendency
138	BVF_2	1/s^2	Brunt-Vaisala frequency^2
139	PV_MW	1/s/m	Potential vorticity (mass-weighted)
140	CRAIN	yes=1;no=0	Categorical rain
141	CFRZR	yes=1;no=0	Categorical freezing rain
142	CICEPL	yes=1;no=0	Categorical ice pellets
143	CSNOW	yes=1;no=0	Categorical snow
144	SOILW	fraction	Volumetric soil moisture
145	PEVPR	W/m^2	Potential evaporation rate
146	CWORK	J/kg	Cloud work function
147	U_GWD	N/m^2	Zonal gravity wave stress
148	V_GWD	N/m^2	Meridional gravity wave stress
149	PV	m^2/s/kg	Potential vorticity
153	MFXDV	gr/gr*m/s/m	Moisture flux divergence
155	GFLUX	W/m^2	Ground heat flux
156	CIN	J/kg	Convective inhibition
157	CAPE	J/kg	Convective Avail. Pot. Energy
158	TKE	J/kg	Turbulent kinetic energy
159	CONDP	Pa	Lifted parcel condensation pressure
160	CSUSF	W/m^2	Clear sky upward solar flux
161	CSDSF	W/m^2	Clear sky downward solar flux
162	CSULF	W/m^2	Clear sky upward long wave flux
163	CSDLF	W/m^2	Clear sky downward long wave flux
164	CFNSF	W/m^2	Cloud forcing net solar flux
165	CFNLF	W/m^2	Cloud forcing net long wave flux
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	USTR	N/m^2	U wind stress
171	VSTR	N/m^2	V wind stress
172	M_FLX	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	UMAS	gm/m*K*s	Mass weighted u
179	VMAS	gm/m*K*s	Mass weighted v
180	XPRATE	kg/m^2/s	corrected precip
181	LPS_X	1/m	x-gradient of log pressure
182	LPS_Y	1/m	y-gradient of log pressure
183	HGT_X	m/m	x-gradient of height
184	HGT_Y	m/m	y-gradient of height
185	STDZ	m	Std dev of Geop. hgt.
186	STDU	m/s	Std dev of zonal wind
187	STDV	m/s	Std dev of meridional wind
188	STDQ	gm/gm	Std dev of spec. hum.
189	STDT	K	Std dev of temp.
190	CBUW	m/s*Pa/s	Covariance u and omega
191	CBVW	m/s*Pa/s	Covariance v and omega
192	CBUQ	m/s*gm/gm	Covariance u and specific hum
193	CBVQ	m/s*gm/gm	Covariance v and specific hum
194	CBTW	K*Pa/s	Covariance T and omega
195	CBQW	gm/gm*Pa/s	Covariance spec. hum and omega
196	CBMZW	m^2/s^2	Covariance v and u
197	CBTZW	K*m/s	Covariance u and T
198	CBTMW	K*m/s	Covariance v and T
199	STDRH	%	Std dev of Rel. Hum.
200	SDTZ	m	Std dev of time tend of geop. hgt
201	ICWAT	%	Ice-free water surface
202	SDTU	m/s	Std dev of time tend of zonal wind
203	SDTV	m/s	Std dev of time tend of merid wind
204	DSWRF	W/m^2	Downward solar radiation flux
205	DLWRF	W/m^2	Downward long wave flux
206	SDTQ	gm/gm	Std dev of time tend of spec. hum
207	MSTAV	%	Moisture availability
208	SFEXC	kg*m/m^3/s	Exchange coefficient
209	MIXLY	integer	No. of mixed layers next to sfc
210	SDTT	K	Std dev of time tend of temp.
211	USWRF	W/m^2	Upward solar radiation flux
212	ULWRF	W/m^2	Upward long wave flux
213	CDLYR	%	Non-convective cloud
214	CPRAT	kg/m^2/s	Convective precip. rate
215	TTDIA	K/s	Temp. tendency by all physics
216	TTRAD	K/s	Temp. tendency by all radiation
217	TTPHY	K/s	Temp. tendency by nonrad physics
218	PREIX	fraction	Precipitation index
219	TSD1D	K	Std dev of IR T over 1x1 deg area
220	NLSGP	ln(kPa)	Natural log of surface pressure
221	SDTRH	%	Std dev of time tend of rel hum
222	5WAVH	gpm	5-wave geopotential height
223	C_WAT	kg/m^2	Plant canopy surface water
224	PLTRS	s/m	Max. stomato plant resistance
225	RHCLD	%	RH-type cloud cover
226	BMIXL	m	Blackadar's mixing length scale
227	AMIXL	m	Asymptotic mixing length scale
228	PEVAP	kg/m^2	Pot. evaporation
229	SNOHF	W/m^2	Snow melt heat flux
230	SNOEV	W/m^2	Snow sublimation heat flux
231	MFLUX	Pa/s	Convective cloud mass flux
232	DTRF	W/m^2	Downward total radiation flux
233	UTRF	W/m^2	Upward total radiation flux
234	BGRUN	kg/m^2	Baseflow-groundwater runoff
235	SSRUN	kg/m^2	Storm surface runoff
237	OZONE	Dobson	Total column ozone
238	SNOWC	%	Snow cover
239	SNOT	K	Snow temp.
240	GLCR	mask	Permanent snow points
241	LRGHR	K/s	Large scale condensation heating
242	CNVHR	K/s	Deep convective heating
243	CNVMR	kg/kg/s	Deep convective moistening
244	SHAHR	K/s	Shallow convective heating
245	SHAMR	kg/kg/s	Shallow convective moistening
246	VDFHR	K/s	Vertical diffusion heating
247	VDFUA	m/s^2	Vertical diffusion zonal accel
248	VDFVA	m/s^2	Vertical diffusion meridional accel
249	VDFMR	kg/kg/s	Vertical diffusion moistening
250	SWHR	K/s	Solar radiative heating
251	LWHR	K/s	Longwave radiative heating
252	CD	non-dim	Drag coefficient
253	FRICV	m/s	Friction velocity
254	RI	non-dim	Richardson number