Description of algorithm
Full domain
American sector
European sector
Asian sector
GODAE regions
  Ice concntr, edge pos
  Contingency tables

Validation of sea ice concentration - GODAE regions

Bulletin date: 2025-07-10

Model: ARC-MFC PHYS (TOPAZ)

Data source: OSI SAF N.H. multi-product sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2025-07-14

Best estimate

Forecast

Arctic Deep Basin:

...observations not yet available ...observations not yet available

Queen Elisabeth Islands:

...observations not yet available ...observations not yet available

Beaufort Sea:

...observations not yet available ...observations not yet available

Chuckchi Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -1360 0 0 0 0 0 0 0
OW 0 0 -485 0 0 0 0 0
VODI 0 0 0 -1102 0 0 0 0
ODI 0 0 0 0 -2258 0 0 0
CDI 0 0 0 0 0 -448 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -1360 0 0 0 0 0 0 0
OW 0 0 -485 0 0 0 0 0
VODI 0 0 0 -1102 0 0 0 0
ODI 0 0 0 0 -2258 0 0 0
CDI 0 0 0 0 0 -448 0 0
VCDI 0 0 0 0 0 0 0 0

Siberian Sea:

...observations not yet available ...observations not yet available

Laptev Sea:

...observations not yet available ...observations not yet available

Kara Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -4893 0 0 0 0 0 0 0
OW 0 0 -726 0 0 0 0 0
VODI 0 0 0 -617 0 0 0 0
ODI 0 0 0 0 -81 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -4893 0 0 0 0 0 0 0
OW 0 0 -726 0 0 0 0 0
VODI 0 0 0 -617 0 0 0 0
ODI 0 0 0 0 -81 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Barents Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -11201 0 0 0 0 0 0 0
OW 0 0 -82 0 0 0 0 0
VODI 0 0 0 -39 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -11201 0 0 0 0 0 0 0
OW 0 0 -82 0 0 0 0 0
VODI 0 0 0 -39 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Greenland Basin:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -8388 0 0 0 0 0 0 0
OW 0 0 -857 0 0 0 0 0
VODI 0 0 0 -1187 0 0 0 0
ODI 0 0 0 0 -1072 0 0 0
CDI 0 0 0 0 0 -192 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -8388 0 0 0 0 0 0 0
OW 0 0 -857 0 0 0 0 0
VODI 0 0 0 -1187 0 0 0 0
ODI 0 0 0 0 -1072 0 0 0
CDI 0 0 0 0 0 -192 0 0
VCDI 0 0 0 0 0 0 0 0

Southeast Greenland:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -12392 0 0 0 0 0 0 0
OW 0 0 -453 0 0 0 0 0
VODI 0 0 0 -142 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -12392 0 0 0 0 0 0 0
OW 0 0 -453 0 0 0 0 0
VODI 0 0 0 -142 0 0 0 0
ODI 0 0 0 0 0 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Baffin Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -4094 0 0 0 0 0 0 0
OW 0 0 -518 0 0 0 0 0
VODI 0 0 0 -458 0 0 0 0
ODI 0 0 0 0 -298 0 0 0
CDI 0 0 0 0 0 -435 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -4094 0 0 0 0 0 0 0
OW 0 0 -518 0 0 0 0 0
VODI 0 0 0 -458 0 0 0 0
ODI 0 0 0 0 -298 0 0 0
CDI 0 0 0 0 0 -435 0 0
VCDI 0 0 0 0 0 0 0 0

Hudson Bay:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -7060 0 0 0 0 0 0 0
OW 0 0 -1014 0 0 0 0 0
VODI 0 0 0 -297 0 0 0 0
ODI 0 0 0 0 -94 0 0 0
CDI 0 0 0 0 0 -73 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -7060 0 0 0 0 0 0 0
OW 0 0 -1014 0 0 0 0 0
VODI 0 0 0 -297 0 0 0 0
ODI 0 0 0 0 -94 0 0 0
CDI 0 0 0 0 0 -73 0 0
VCDI 0 0 0 0 0 0 0 0

Labrador Sea:

observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -14843 0 0 0 0 0 0 0
OW 0 0 -478 0 0 0 0 0
VODI 0 0 0 -289 0 0 0 0
ODI 0 0 0 0 -136 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0
observations
Ice free Ice free
near MIZ		 OW VODI ODI CDI VCDI
near MIZ		 VCDI
m
o
d
e
l		 Ice free -14843 0 0 0 0 0 0 0
OW 0 0 -478 0 0 0 0 0
VODI 0 0 0 -289 0 0 0 0
ODI 0 0 0 0 -136 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0


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