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Data Usage Guidance/Restrictions
The operational data for this datatype is available to all registered CLASS users. Pre-operational data may be restricted to authorized users. To become an authorized user, send a request to the CLASS Help Desk.
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Dataset Name
The name of the CoastWatch data set archived at CLASS. There are two different naming formats used for these files:
- CoastWatch-RegionYearDayStart-Time.CoastWatch-SubregionProduct-Type with each qualifier defined below:
| Qualifier |
Details |
| CoastWatch-Region |
One character identifying the CoastWatch Region to which this data applies. Valid character is:
s=Southeast |
| Year |
Last two digits of the year (99 = 1999, 00 = 2000), which identifies the year in which the spacecraft began recording the data set. |
| Day |
Day of the year [001-366], which identifies the Julian day on which the spacecraft began recording the data set. |
| Start-time |
e.g. 13, where "13" denotes 13 hours UTC (to the nearest hour) and represents the time at which spacecraft recording began. |
| CoastWatch-Subregion |
One character identifying sub-regions within the CoastWatch region to which data pertains. Valid sub-region characters are:
n = North Carolina high resolution
g = South Carolina and Georgia high resolution
e = East Florida high resolution
s = South Florida high resolution
w = West Florida high resolution
y = Southeast synoptic
x = Extended SE region
r = Full Regional panel |
| Product-Type |
Two characters identifying codes for the types of products. Valid character groups are:
b7 = daytime/nighttime split-window non-linear sea-surface-temperature (c4 and c5)
bm = daytime/nighttime multiple sea-surface-temperature algorithm
c1 = AVHRR channel 1 albedo (%)
c2 = AVHRR channel 2 albedo (%)
c3 = AVHRR channel 3 brightness temperature (deg C)
c4 = AVHRR channel 4 brightness temperature (deg C)
c5 = AVHRR channel 5 brightness temperature (deg C)
cm = cloud mask
d1 = daytime split-window multi-channel sea-surface-temperature (c4 and c5)
d2 = daytime dual-window multi-channel sea-surface-temperature (c3 and c4)
d4 = daytime split-window cross product sea-surface-temperature (c4 and c5)
d5 = daytime dual-window cross product sea-surface-temperature (c3 and c4)
d6 = daytime triple-window cross product sea-surface-temperature (c3, c4, c5)
d7 = daytime split-window non-linear sea-surface-temperature (c4 and c5)
s1 = nighttime split-window multi-channel sea-surface-temperature (c4 and c5)
s2 = nighttime dual-window multi-channel sea-surface-temperature (c3 and c4)
s3 = nighttime triple-window multi-channel sea-surface-temperature (c3, c4, c5)
s6 = nighttime triple-window cross product sea-surface-temperature (c3, c4, c5)
s7 = nighttime split-window non-linear sea-surface-temperature (c4 and c5)
s9 = nighttime triple-window non-linear sea-surface-temperature (c3, c4, c5)
sm = nighttime multiple sea-surface-temperature algorithm
za = Solar zenith angle (degrees) |
- Year_Day_Start-Time_Spacecraft-Unique-ID_CoastWatch-RegionCoastWatchSubregion_Product-Type. File-Format with each qualifier defined below:
| Qualifier |
Details |
| Year |
Full year with century, e.g., 2005, which identifies the year in which the spacecraft began recording the data set. |
| Day |
Day of the year [001-366], which identifies the Julian day on which the spacecraft began recording the data set. |
| Start-Time |
e.g. 1355, where "1355" denotes 13 hours 55 minutes UTC (to the nearest minute) and represents the time at which spacecraft recording began. |
| Spacecraft-Unique-ID |
n15 = NOAA-15 (NOAA-K)
n16 = NOAA-16 (NOAA-L)
n17 = NOAA-17 (NOAA-M) |
| CoastWatch-Region |
One character identifying CoastWatch Region to which this data applies. Valid characters is:
s=Southeast Coast |
| CoastWatch-Subregion |
One or two characters identifying sub-regions within the CoastWatch region to which the data pertains. Valid sub-region characters are:
n = North Carolina high resolution
g = South Carolina and Georgia high resolution
e = East Florida high resolution
s = South Florida high resolution
w = West Florida high resolution
y = Southeast synoptic
x = Extended SE region
r = Full Regional panel |
| Product-Type |
Two characters identifying codes for the types of products. Valid character groups are:
b7 = daytime/nighttime split-window non-linear sea-surface-temperature (c4 and c5)
bm = daytime/nighttime multiple sea-surface-temperature algorithm
c1 = AVHRR channel 1 albedo (%)
c2 = AVHRR channel 2 albedo (%)
c3 = AVHRR channel 3 brightness temperature (deg C)
c4 = AVHRR channel 4 brightness temperature (deg C)
c5 = AVHRR channel 5 brightness temperature (deg C)
cm = cloud mask
d1 = daytime split-window multi-channel sea-surface-temperature (c4 and c5)
d2 = daytime dual-window multi-channel sea-surface-temperature (c3 and c4)
d4 = daytime split-window cross product sea-surface-temperature (c4 and c5)
d5 = daytime dual-window cross product sea-surface-temperature (c3 and c4)
d6 = daytime triple-window cross product sea-surface-temperature (c3, c4, c5)
d7 = daytime split-window non-linear sea-surface-temperature (c4 and c5)
s1 = nighttime split-window multi-channel sea-surface-temperature (c4 and c5)
s2 = nighttime dual-window multi-channel sea-surface-temperature (c3 and c4)
s3 = nighttime triple-window multi-channel sea-surface-temperature (c3, c4, c5)
s6 = nighttime triple-window cross product sea-surface-temperature (c3, c4, c5)
s7 = nighttime split-window non-linear sea-surface-temperature (c4 and c5)
s9 = nighttime triple-window non-linear sea-surface-temperature (c3, c4, c5)
sm = nighttime multiple sea-surface-temperature algorithm
za = Solar zenith angle (degrees) |
| File-Format |
cwf ( denotes CoastWatch Format) |
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Dataset Size
The size of the file to be delivered to the user in bytes.
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Data Source
Code internal to CLASS for the source of CoastWatch regional input data.
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Inventory ID
A unique numerical ID assigned to the data set for CLASS inventory purposes.
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Product
The datatypes or products available for the CoastWatch Southeast region are:
B7 = daytime/nighttime split-window non-linear sea-surface-temperature (c4 and c5)
BM = daytime/nighttime multiple sea-surface-temperature algorithm
C1 = AVHRR channel 1 albedo (%)
C2 = AVHRR channel 2 albedo (%)
C3 = AVHRR channel 3 brightness temperature (deg C)
C4 = AVHRR channel 4 brightness temperature (deg C)
C5 = AVHRR channel 5 brightness temperature (deg C)
CM = cloud mask
D1 = daytime split-window multi-channel sea-surface-temperature (c4 and c5)
D2 = daytime dual-window multi-channel sea-surface-temperature (c3 and c4)
D4 = daytime split-window cross product sea-surface-temperature (c4 and c5)
D5 = daytime dual-window cross product sea-surface-temperature (c3 and c4)
D6 = daytime triple-window cross product sea-surface-temperature (c3, c4, c5)
D7 = daytime split-window non-linear sea-surface-temperature (c4 and c5)
S1 = nighttime split-window multi-channel sea-surface-temperature
S2 = nighttime dual-window multi-channel sea-surface-temperature
S3 = nighttime triple-window multi-channel sea-surface-temperature
S6 = nighttime triple-window cross product sea-surface-temperature
S7 = nighttime split-window non-linear sea-surface-temperature
S9 = nighttime triple-window non-linear sea-surface-temperature
SM = nighttime multiple sea-surface-temperature algorithm
ZA = Solar zenith angle (degrees)
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Region
Identifies the five character CoastWatch region that the data is mapped to. Valid regions are:
| Five Letter Code |
CoastWatch Region |
| CWSOE |
CoastWatch Region Southeast |
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Satellite
The satellite that acquired the CoastWatch data.
| N15 |
NK |
NOAA-15 |
| N16 |
NL |
NOAA-16 |
| N17 |
NM |
NOAA-17 |
| N18 |
NN |
NOAA-18 |
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Subregion
Valid CoastWatch subregions are:
SN = North Carolina high resolution
SG = South Carolina and Georgia high resolution
SE = East Florida high resolution
SS = South Florida high resolution
SW = West Florida high resolution
SY = Southeast synoptic
SX = Extended SE region
SR = Full Regional Panel
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Temporal
Refers to the time span of interest to the user. This section of the search page allows the user to define the range of dates/times of interest.
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Time
The UTC date and time corresponding to the beginning of the coverage of the given dataset. Format is yyyy-mm-dd hh:mm:ss.fff where fff is the fraction of a second in milliseconds.
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