Dataset Information

HDFEOSVersion: HDFEOS_V2.17
ScaleFactor_AddOffset_Application: Value=scale_factor*(stored integer - add_offset)
Pressure_Levels: 5, 10, 20, 30, 50, 70, 100, 150, 200, 250, 300, 400, 500, 620, 700, 780, 850, 920, 950, 1000 hPa
history: $Id: MOD07.V2.CDL,v 1.1 2005/12/14 16:44:04 kathys Exp $
title: MODIS Level 2 Atmospheric Profiles
identifier_product_doi: 10.5067/MODIS/MOD07_L2.006
identifier_product_doi_authority: http://dx.doi.org


Variables in this Dataset

Band_Number: Array of 32 bit Integers [Band_Number = 0..11]
long_name: MODIS Band Number
units: none
Pressure_Level: Array of 32 bit Reals [Pressure_Level = 0..19]
_FillValue: -9999.000000
long_name: Pressure Levels of Profiles
units: hPa
Pressure_Levels: Array of 16 bit Integers [Pressure_Level = 0..19]
coordinates: Pressure_Level
long_name: Pressure_Levels
Scan_Start_Time: Array of 64 bit Reals [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0.0000000000000000, 3155800064.0000000
_FillValue: -999.90002441406250
long_name: TAI time at start of scan replicated across the swath
units: seconds since 1993-1-1 00:00:00.0 0
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 1.0000000000000000
add_offset: 0.0000000000000000
Solar_Zenith: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 18000
_FillValue: -32768
long_name: Solar Zenith Angle, Cell to Sun
units: degrees
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 0.0000000000000000
Solar_Azimuth: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: -18000, 18000
_FillValue: -32768
long_name: Solar Azimuth Angle, Cell to Sun
units: degrees
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 0.0000000000000000
Sensor_Zenith: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 18000
_FillValue: -32768
long_name: Sensor Zenith Angle, Cell to Sensor
units: degrees
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 0.0000000000000000
Sensor_Azimuth: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: -18000, 18000
_FillValue: -32768
long_name: Sensor Azimuth Angle, Cell to Sensor
units: degrees
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 0.0000000000000000
Brightness_Temperature: Array of 16 bit Integers [Band_Number = 0..11][Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Band_Number Latitude Longitude
valid_range: 0, 20000
_FillValue: -32768
long_name: Brightness Temperature
units: K
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 149.99999664723873
Cloud_Mask: Array of 32 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, -1
_FillValue: 0
long_name: MODIS Cloud Mask, First Byte
units: none
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
description: \n Bit fields within each byte are numbered from the left: 7, 6, 5, 4, 3, 2, 1, 0. The left-most bit (bit 7) is the most significant bit. The right-most bit (bit 0) is the least significant bit. bit field Description Key --------- ----------- --- 0 Cloud Mask Flag 0 = Not determined 1 = Determined 2, 1 Unobstructed FOV Quality Flag 00 = Cloudy 01 = Uncertain 10 = Probably Clear 11 = Confident Clear PROCESSING PATH --------------- 3 Day or Night Path 0 = Night / 1 = Day 4 Sunglint Path 0 = Yes / 1 = No 5 Snow/Ice Background Path 0 = Yes / 1 = No 7, 6 Land or Water Path 00 = Water 01 = Coastal 10 = Desert 11 = Land
scale_factor: 1.0000000000000000
add_offset: 0.0000000000000000
Skin_Temperature: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 20000
_FillValue: -32768
long_name: Skin Temperature
units: K
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 149.99999664723873
Surface_Pressure: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 8000, 11000
_FillValue: -32768
long_name: Surface Pressure
units: hPa
Parameter_Type: Non MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.10000000149011612
add_offset: 0.0000000000000000
Surface_Elevation: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: -400, 8840
_FillValue: -32768
long_name: Surface Elevation
units: m
Parameter_Type: Non MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 1.0000000000000000
add_offset: 0.0000000000000000
Processing_Flag: Array of 32 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 1
_FillValue: 127
long_name: Processing Flag
units: none
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 1.0000000000000000
add_offset: 0.0000000000000000
Tropopause_Height: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 10, 11000
_FillValue: -32768
long_name: Tropopause Height
units: hPa
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.10000000149011612
add_offset: 0.0000000000000000
Guess_Temperature_Profile: Array of 16 bit Integers [Pressure_Level = 0..19][Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Pressure_Level Latitude Longitude
valid_range: 0, 20000
_FillValue: -32768
long_name: Guess Temperature Profile
units: K
Parameter_Type: Non MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 149.99999664723873
Guess_Moisture_Profile: Array of 16 bit Integers [Pressure_Level = 0..19][Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Pressure_Level Latitude Longitude
valid_range: 0, 20000
_FillValue: -32768
long_name: Guess Mixing ratio Profile
units: g/kg
Parameter_Type: Non MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0010000000474974513
add_offset: 0.0000000000000000
Retrieved_Temperature_Profile: Array of 16 bit Integers [Pressure_Level = 0..19][Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Pressure_Level Latitude Longitude
valid_range: 0, 20000
_FillValue: -32768
long_name: Retrieved Temperature Profile
units: K
Parameter_Type: MODIS Ouput
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 149.99999664723873
Retrieved_Moisture_Profile: Array of 16 bit Integers [Pressure_Level = 0..19][Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Pressure_Level Latitude Longitude
valid_range: 0, 20000
_FillValue: -32768
long_name: Retrieved Dew Point Temperature Profile
units: K
Parameter_Type: MODIS Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 149.99999664723873
Retrieved_WV_Mixing_Ratio_Profile: Array of 16 bit Integers [Pressure_Level = 0..19][Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Pressure_Level Latitude Longitude
valid_range: 0, 20000
_FillValue: -32768
long_name: Retrieved Water Vapour Mixing Ratio Profile
units: g/kg
Parameter_Type: MODIS Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0010000000474974513
add_offset: 0.0000000000000000
Retrieved_Height_Profile: Array of 16 bit Integers [Pressure_Level = 0..19][Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Pressure_Level Latitude Longitude
valid_range: -32500, 32500
_FillValue: -32768
long_name: Retrieved Geopotential Height Profile
units: m
Parameter_Type: MODIS Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 1.0000000000000000
add_offset: 32500.000000000000
Total_Ozone: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 5000
_FillValue: -32768
long_name: Total Ozone Burden
units: Dobson
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.10000000149011612
add_offset: 0.0000000000000000
Total_Totals: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 8000
_FillValue: -32768
long_name: Total Totals
units: K
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 0.0000000000000000
Lifted_Index: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: -2000, 4000
_FillValue: -32768
long_name: Lifted Index
units: K
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 0.0000000000000000
K_Index: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 11500, 20000
_FillValue: -32768
long_name: K_Index
units: K
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0099999997764825821
add_offset: 149.99999664723873
Water_Vapor: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 20000
_FillValue: -9999
long_name: Total Column Precipitable Water Vapor - IR Retrieval
units: cm
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0010000000474974513
add_offset: 0.0000000000000000
Water_Vapor_Direct: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 20000
_FillValue: -9999
long_name: Total Column Precipitable Water Vapor - Direct IR Retrieval
units: cm
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0010000000474974513
add_offset: 0.0000000000000000
Water_Vapor_Low: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 20000
_FillValue: -9999
long_name: Precipitable Water Vapor Low - IR Retrieval
units: cm
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0010000000474974513
add_offset: 0.0000000000000000
Water_Vapor_High: Array of 16 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
coordinates: Latitude Longitude
valid_range: 0, 20000
_FillValue: -9999
long_name: Precipitable Water Vapor High - IR Retrieval
units: cm
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
scale_factor: 0.0010000000474974513
add_offset: 0.0000000000000000
Quality_Assurance: Array of 32 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269][Output_Parameter = 0..9]
coordinates: Latitude Longitude Output_Parameter
valid_range: 0, -1
_FillValue: 0
long_name: Quality Assurance Parameters
units: none
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
description: \n Product and Optional run time QA flags Product run time QA flags QA Flag Name Number of Bit Value Description Bits ------------------------------------------------------------- Retrieved Temperature 1 0 not useful Profile QA 1 useful Retrieved Temperature 2 0-3 4 confidence Profile levels Confidence QA Spare 1 Retrieved Moisture 1 0 not useful Profile 1 useful QA Retrieved Moisture 2 0-3 4 confidence Profile levels Confidence QA Spare 1 Total Ozone 1 0 not useful Burden QA 1 useful Total Ozone 2 0-3 4 confidence Burden levels Confidence QA Spare 1 Lifted Index 1 0 not useful Stability 1 useful Index QA Lifted Index 2 0-3 4 confidence Stability levels Confidence QA Spare 1 K Index 1 0 not useful Stability 1 useful Index QA K Index 2 0-3 4 confidence Stability levels Confidence QA Spare 1 Total Totals 1 0 not useful Stability 1 useful Index QA Total Totals 2 0-3 4 confidence Stability levels Confidence QA Spare 1 ---------------------- 3 bytes total ----------------------- Optional run time QA flags - processing path flags QA Flag Name Number of Bit Value Description Bits ------------------------------------------------------------- Number of 8 0-25 Cloudy Pixels within 5x5 km box Number of 8 0-25 Clear Pixels within 5x5 km box Number of 8 0-25 Missing Pixels within 5x5 km box Method 2 0 Statistical of Profiles 1 Physical Retrieval 2 Other 3 No retrieval Method 2 0 RTE Perturbation of Ozone 1 Upper and Lower Retrieval Stratospheric Ozone Method 2 Other 3 No retrieval Spares 4 --------------- 4 bytes total ----------------------------- Optional run time QA flags - data resource flags QA Flag Name Number of Bit Value Description Bits ------------------------------------------------------------- Guess Moisture 2 0 NCEP profile 1 DAO source 2 AIRS/AMSU 3 Not used Guess Temperature 2 0 NCEP Profile 1 DAO source 2 AIRS/AMSU 3 Not used Surface 2 0 NCEP Temperature 1 DAO Over Land 2 Other 3 Not used Surface 2 0 Reynolds blended Temperature 1 DAO Over Ocean 2 Other 3 Not used Surface 2 0 NCEP Pressure 1 DAO 2 Other 3 Not used Ozone 2 0 TOMS Profile 1 TOVS First 2 DAO Guess 3 Other Spares 12 ------------------ 2 bytes total ----------------------------
scale_factor: 1.0000000000000000
add_offset: 0.0000000000000000
Quality_Assurance_Infrared: Array of 32 bit Integers [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269][Water_Vapor_QA_Bytes = 0..4]
coordinates: Latitude Longitude Water_Vapor_QA_Bytes
valid_range: 0, -1
_FillValue: 0
long_name: Run time QA flags
units: none
Parameter_Type: Output
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
description: \n Water Vapor IR product and Optional run time QA flags Product run time QA flags QA Flag Name Number of Bit Value Description Bits ------------------------------------------------------------- IR Water Vapor 1 0 not useful QA 1 useful IR Water Vapor 2 0-3 4 confidence Confidence QA levels Spares 5 ---------------------- 1 byte total ------------------------- Optional run time QA flags - processing path flags QA Flag Name Number of Bit Value Description Bits ------------------------------------------------------------- Number of 8 0-25 Cloudy Pixels within 5x5 km box Number of 8 0-25 Clear Pixels within 5x5 km box Number of 8 0-25 Missing Pixels within 5x5 km box IR Water Vapor 2 0 Split Window (11- 12) technique Retrieval 1 Integration of moisture profile Method Used 2 Other 3 No Retrieval Spares 6 ---------------------- 4 bytes total -----------------------
scale_factor: 1.0000000000000000
add_offset: 0.0000000000000000
Latitude: Array of 32 bit Reals [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
units: degrees_north
valid_range: -90.00000000, 90.00000000
_FillValue: -999.9000244
long_name: Geodetic Latitude
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
Longitude: Array of 32 bit Reals [Cell_Along_Swath = 0..405][Cell_Across_Swath = 0..269]
units: degrees_east
valid_range: -180.0000000, 180.0000000
_FillValue: -999.9000244
long_name: Geodetic Longitude
Parameter_Type: MODIS Input
Cell_Along_Swath_Sampling: 3, 2028, 5
Cell_Across_Swath_Sampling: 3, 1348, 5
Geolocation_Pointer: Internal geolocation arrays
Output_Parameter: Array of 32 bit Integers [Output_Parameter = 0..9]
units: level
long_name: Output_Parameter(fake)
Water_Vapor_QA_Bytes: Array of 32 bit Integers [Water_Vapor_QA_Bytes = 0..4]
units: level
long_name: Water_Vapor_QA_Bytes(fake)