Validation of sea ice concentration - American sector
Bulletin date: 2023-09-21
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-09-15:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
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| OW |
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| VODI |
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| ODI |
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| CDI |
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| VCDI |
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...date precedes bulletin
|
Date: 2023-09-17:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
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| OW |
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| VODI |
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| ODI |
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| CDI |
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| VCDI |
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...date precedes bulletin
|
Date: 2023-09-19:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
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|
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| OW |
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| VODI |
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| ODI |
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| CDI |
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| VCDI |
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...date precedes bulletin
|
Date: 2023-09-21:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
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| VODI |
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| ODI |
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| CDI |
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| VCDI |
|
|
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|
|
|
|
|
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
|
|
| VODI |
|
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| ODI |
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| CDI |
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| VCDI |
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Date: 2023-09-23:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
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|
| VODI |
|
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|
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|
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|
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| ODI |
|
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| CDI |
|
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|
|
|
|
|
| VCDI |
|
|
|
|
|
|
|
|
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
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| VODI |
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| ODI |
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| CDI |
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| VCDI |
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|
Date: 2023-09-25:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
|
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| VODI |
|
|
|
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| ODI |
|
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| CDI |
|
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|
|
|
|
|
| VCDI |
|
|
|
|
|
|
|
|
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
|
|
| VODI |
|
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|
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|
|
|
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| ODI |
|
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| CDI |
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| VCDI |
|
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Date: 2023-09-27:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
|
|
| VODI |
|
|
|
|
|
|
|
|
| ODI |
|
|
|
|
|
|
|
|
| CDI |
|
|
|
|
|
|
|
|
| VCDI |
|
|
|
|
|
|
|
|
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
|
|
| VODI |
|
|
|
|
|
|
|
|
| ODI |
|
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|
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|
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|
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| CDI |
|
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| VCDI |
|
|
|
|
|
|
|
|
|
Date: 2023-09-29:
| Best estimate |
Forecast |
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
|
|
| VODI |
|
|
|
|
|
|
|
|
| ODI |
|
|
|
|
|
|
|
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| CDI |
|
|
|
|
|
|
|
|
| VCDI |
|
|
|
|
|
|
|
|
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
|
|
|
|
|
|
|
|
| OW |
|
|
|
|
|
|
|
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| VODI |
|
|
|
|
|
|
|
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| ODI |
|
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|
|
|
|
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| CDI |
|
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|
|
|
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| VCDI |
|
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