Validation of sea ice concentration - American sector
Bulletin date: 2022-08-18
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-08-12:
| 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 |
12787 |
6490 |
80 |
280 |
42 |
0 |
0 |
0 |
| OW |
8 |
807 |
64 |
433 |
51 |
0 |
0 |
0 |
| VODI |
0 |
343 |
58 |
1425 |
461 |
0 |
0 |
0 |
| ODI |
0 |
46 |
9 |
1179 |
3571 |
47 |
0 |
0 |
| CDI |
0 |
0 |
0 |
73 |
2294 |
5536 |
1091 |
26 |
| VCDI |
0 |
2 |
1 |
2 |
44 |
1267 |
5469 |
1880 |
|
...date precedes bulletin
|
Date: 2022-08-14:
| 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 |
13468 |
5921 |
69 |
352 |
46 |
0 |
0 |
0 |
| OW |
4 |
742 |
40 |
441 |
132 |
0 |
0 |
0 |
| VODI |
0 |
473 |
59 |
1348 |
543 |
5 |
0 |
0 |
| ODI |
0 |
62 |
12 |
1386 |
2861 |
224 |
17 |
0 |
| CDI |
0 |
0 |
1 |
125 |
2378 |
5928 |
1089 |
19 |
| VCDI |
0 |
0 |
0 |
4 |
74 |
1125 |
4722 |
2196 |
|
...date precedes bulletin
|
Date: 2022-08-16:
| 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 |
12155 |
7462 |
65 |
329 |
23 |
0 |
0 |
0 |
| OW |
0 |
956 |
55 |
362 |
54 |
0 |
0 |
0 |
| VODI |
0 |
254 |
62 |
2264 |
442 |
0 |
0 |
0 |
| ODI |
0 |
0 |
1 |
599 |
4066 |
341 |
0 |
0 |
| CDI |
0 |
0 |
0 |
4 |
1343 |
4312 |
2265 |
32 |
| VCDI |
0 |
1 |
2 |
1 |
17 |
680 |
5846 |
1873 |
|
...date precedes bulletin
|
Date: 2022-08-18:
| 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 |
13745 |
6058 |
60 |
274 |
32 |
0 |
0 |
0 |
| OW |
0 |
1044 |
52 |
367 |
55 |
0 |
0 |
0 |
| VODI |
0 |
416 |
79 |
2032 |
647 |
0 |
0 |
0 |
| ODI |
0 |
9 |
3 |
877 |
3205 |
573 |
0 |
0 |
| CDI |
0 |
0 |
2 |
4 |
1717 |
4101 |
2105 |
106 |
| VCDI |
0 |
1 |
0 |
0 |
20 |
490 |
4906 |
2886 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13745 |
6217 |
62 |
309 |
48 |
0 |
0 |
0 |
| OW |
0 |
912 |
56 |
347 |
46 |
0 |
0 |
0 |
| VODI |
0 |
385 |
73 |
2019 |
681 |
0 |
0 |
0 |
| ODI |
0 |
13 |
3 |
875 |
2998 |
534 |
0 |
0 |
| CDI |
0 |
0 |
2 |
4 |
1876 |
4132 |
2012 |
82 |
| VCDI |
0 |
1 |
0 |
0 |
27 |
498 |
4999 |
2910 |
|
Date: 2022-08-20:
| 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 |
13677 |
6187 |
75 |
270 |
19 |
0 |
0 |
0 |
| OW |
0 |
1230 |
58 |
373 |
22 |
0 |
0 |
0 |
| VODI |
0 |
639 |
94 |
2147 |
331 |
0 |
0 |
0 |
| ODI |
0 |
33 |
7 |
825 |
2665 |
700 |
0 |
0 |
| CDI |
0 |
0 |
0 |
34 |
1730 |
4179 |
2364 |
2 |
| VCDI |
0 |
2 |
1 |
5 |
98 |
487 |
3887 |
3725 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13677 |
6360 |
87 |
343 |
19 |
0 |
0 |
0 |
| OW |
0 |
1055 |
46 |
344 |
23 |
0 |
0 |
0 |
| VODI |
0 |
629 |
89 |
2086 |
417 |
0 |
0 |
0 |
| ODI |
0 |
43 |
12 |
841 |
2514 |
622 |
0 |
0 |
| CDI |
0 |
2 |
0 |
34 |
1797 |
4242 |
2229 |
1 |
| VCDI |
0 |
2 |
1 |
6 |
95 |
502 |
4022 |
3726 |
|
Date: 2022-08-22:
| 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 |
13559 |
7742 |
65 |
226 |
32 |
0 |
0 |
0 |
| OW |
0 |
909 |
116 |
425 |
3 |
0 |
0 |
0 |
| VODI |
0 |
189 |
50 |
2614 |
255 |
0 |
0 |
0 |
| ODI |
0 |
2 |
0 |
158 |
2951 |
196 |
0 |
0 |
| CDI |
0 |
0 |
0 |
16 |
995 |
4867 |
622 |
0 |
| VCDI |
0 |
2 |
2 |
3 |
21 |
429 |
5432 |
3985 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13548 |
6774 |
67 |
295 |
32 |
0 |
0 |
0 |
| OW |
11 |
1191 |
62 |
429 |
16 |
0 |
0 |
0 |
| VODI |
0 |
787 |
91 |
1881 |
251 |
0 |
0 |
0 |
| ODI |
0 |
76 |
11 |
814 |
2123 |
683 |
0 |
0 |
| CDI |
0 |
14 |
0 |
12 |
1808 |
4499 |
1957 |
11 |
| VCDI |
0 |
2 |
2 |
11 |
27 |
310 |
4097 |
3974 |
|
Date: 2022-08-24:
| 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 |
13909 |
8263 |
61 |
182 |
10 |
0 |
0 |
0 |
| OW |
0 |
936 |
66 |
329 |
0 |
0 |
0 |
0 |
| VODI |
0 |
579 |
81 |
1829 |
353 |
8 |
0 |
0 |
| ODI |
0 |
0 |
0 |
259 |
2191 |
313 |
0 |
0 |
| CDI |
0 |
0 |
1 |
14 |
1327 |
3935 |
1269 |
0 |
| VCDI |
0 |
2 |
1 |
5 |
53 |
1021 |
4979 |
3890 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
13898 |
7071 |
57 |
221 |
10 |
0 |
0 |
0 |
| OW |
11 |
1327 |
43 |
278 |
10 |
0 |
0 |
0 |
| VODI |
0 |
1267 |
86 |
1209 |
210 |
0 |
0 |
0 |
| ODI |
0 |
103 |
21 |
883 |
1827 |
556 |
16 |
0 |
| CDI |
0 |
10 |
2 |
19 |
1824 |
4015 |
2083 |
232 |
| VCDI |
0 |
2 |
1 |
8 |
53 |
706 |
4149 |
3658 |
|
Date: 2022-08-26:
| 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 |
15151 |
7491 |
51 |
128 |
4 |
0 |
0 |
0 |
| OW |
0 |
1258 |
56 |
263 |
2 |
0 |
0 |
0 |
| VODI |
0 |
522 |
74 |
1786 |
174 |
0 |
0 |
0 |
| ODI |
0 |
1 |
0 |
464 |
2083 |
116 |
0 |
0 |
| CDI |
0 |
2 |
0 |
11 |
1825 |
3944 |
510 |
0 |
| VCDI |
0 |
2 |
0 |
5 |
25 |
1240 |
5815 |
2863 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15118 |
6432 |
50 |
172 |
4 |
0 |
0 |
0 |
| OW |
33 |
1606 |
36 |
206 |
20 |
0 |
0 |
0 |
| VODI |
0 |
1087 |
75 |
1048 |
132 |
0 |
0 |
0 |
| ODI |
0 |
142 |
20 |
1141 |
1596 |
300 |
0 |
2 |
| CDI |
0 |
6 |
0 |
84 |
2337 |
3553 |
716 |
440 |
| VCDI |
0 |
3 |
0 |
6 |
24 |
1447 |
5609 |
2421 |
|
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