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: 2023-08-31

Model: ARC-MFC PHYS (TOPAZ)

Data source: OSI SAF N.H. sea ice concentration

Model vs. observations, sea ice class contingency tables

Date: 2023-09-04

Best estimate

Forecast

Arctic Deep Basin:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 794 4473 284 69 0 0 0 0
OW 0 77 318 577 7 0 0 0
VODI 0 0 0 2229 390 0 0 0
ODI 0 0 0 293 7778 251 0 0
CDI 0 0 0 5 2530 11304 528 0
VCDI 0 0 0 0 0 2315 2680 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 794 3691 136 130 14 0 0 0
OW 0 712 219 269 33 0 0 0
VODI 0 147 246 1652 483 14 0 0
ODI 0 0 1 1065 5407 922 0 0
CDI 0 0 0 57 4589 8727 847 0
VCDI 0 0 0 0 179 4207 2361 0

Queen Elisabeth Islands:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1240 715 37 36 0 0 0 0
OW 0 11 8 27 0 0 0 0
VODI 0 1 1 22 2 1 0 0
ODI 0 2 1 7 9 17 0 0
CDI 0 4 0 8 25 514 41 0
VCDI 0 0 0 0 25 284 95 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1240 712 37 46 0 0 0 0
OW 0 11 5 14 0 0 0 0
VODI 0 3 4 16 1 2 0 0
ODI 0 2 1 16 11 19 0 0
CDI 0 5 0 8 26 628 72 0
VCDI 0 0 0 0 23 167 64 0

Beaufort Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3825 2828 169 104 0 0 0 0
OW 0 30 84 288 1 0 0 0
VODI 0 0 0 512 139 1 0 0
ODI 0 0 0 29 1206 23 1 0
CDI 0 0 0 0 49 675 16 0
VCDI 0 0 0 0 0 2 0 0
observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3825 2659 138 229 10 0 0 0
OW 0 189 79 249 103 0 0 0
VODI 0 10 36 356 480 9 0 0
ODI 0 0 0 99 680 116 0 0
CDI 0 0 0 0 122 576 17 0
VCDI 0 0 0 0 0 0 0 0

Chuckchi Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3209 2361 77 7 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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 3209 2361 77 7 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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

Siberian Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 5881 1220 4 0 0 0 0 0
OW 0 9 35 18 0 0 0 0
VODI 0 0 0 60 10 0 0 0
ODI 0 0 0 0 9 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 5881 1197 13 1 0 0 0 0
OW 0 32 20 25 0 0 0 0
VODI 0 0 6 50 9 0 0 0
ODI 0 0 0 2 10 0 0 0
CDI 0 0 0 0 0 0 0 0
VCDI 0 0 0 0 0 0 0 0

Laptev Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 1183 1505 57 1 0 0 0 0
OW 0 17 74 97 0 0 0 0
VODI 0 0 3 290 28 0 0 0
ODI 0 0 0 36 559 46 0 0
CDI 0 0 0 0 261 1169 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 1183 1449 33 7 0 0 0 0
OW 0 61 73 53 0 0 0 0
VODI 0 12 26 245 12 0 0 0
ODI 0 0 2 119 383 63 0 0
CDI 0 0 0 0 453 1152 0 0
VCDI 0 0 0 0 0 0 0 0

Kara Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 3942 1957 57 34 0 0 0 0
OW 0 1 30 72 0 0 0 0
VODI 0 0 0 117 24 0 0 0
ODI 0 0 0 2 95 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 3942 1938 43 25 0 0 0 0
OW 0 20 42 63 0 0 0 0
VODI 0 0 2 136 47 0 0 0
ODI 0 0 0 1 72 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 10709 622 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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 10709 622 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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 8382 2099 150 280 1 0 0 0
OW 0 18 26 177 9 0 0 0
VODI 0 0 2 235 44 0 0 0
ODI 0 0 0 33 225 0 0 0
CDI 0 0 0 0 15 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 8382 2059 127 348 10 0 0 0
OW 0 51 31 174 27 0 0 0
VODI 0 7 20 109 109 0 0 0
ODI 0 0 0 84 81 0 0 0
CDI 0 0 0 10 66 0 0 0
VCDI 0 0 0 0 1 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 12988 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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 12988 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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 5254 432 4 13 0 0 0 0
OW 0 3 1 21 0 0 0 0
VODI 0 0 0 51 4 0 0 0
ODI 0 0 0 8 12 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 5254 435 5 24 0 0 0 0
OW 0 0 0 37 0 0 0 0
VODI 0 0 0 28 10 0 0 0
ODI 0 0 0 4 6 0 0 0
CDI 0 0 0 0 0 0 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 8585 2 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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 8585 2 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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

Labrador Sea:

observations
Ice free Ice free
near MIZ
OW VODI ODI CDI VCDI
near MIZ
VCDI
m
o
d
e
l
Ice free 20209 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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 20209 0 0 0 0 0 0 0
OW 0 0 0 0 0 0 0 0
VODI 0 0 0 0 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


Generated by /metno/routine/sms/V2/xSIvalidation/xSIwebPageGODAE.sh ma. 18. sep. 16:02:03 +0000 2023 on arcval

 
See Met Privacy