Validation of sea ice concentration - American sector
Bulletin date: 2022-12-08
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-12-02:
| 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 |
1444 |
3527 |
40 |
170 |
70 |
0 |
0 |
0 |
| OW |
59 |
845 |
62 |
392 |
260 |
6 |
0 |
0 |
| VODI |
1 |
425 |
42 |
420 |
417 |
177 |
0 |
0 |
| ODI |
0 |
127 |
21 |
172 |
380 |
206 |
1 |
0 |
| CDI |
0 |
19 |
4 |
83 |
374 |
515 |
57 |
0 |
| VCDI |
0 |
2 |
6 |
53 |
297 |
3144 |
6170 |
25878 |
|
...date precedes bulletin
|
Date: 2022-12-04:
| 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 |
473 |
3387 |
32 |
124 |
86 |
0 |
0 |
0 |
| OW |
0 |
1180 |
54 |
451 |
285 |
63 |
0 |
0 |
| VODI |
0 |
426 |
44 |
449 |
489 |
326 |
0 |
0 |
| ODI |
0 |
148 |
24 |
143 |
480 |
232 |
54 |
0 |
| CDI |
0 |
30 |
8 |
61 |
388 |
522 |
119 |
0 |
| VCDI |
0 |
5 |
5 |
40 |
295 |
4530 |
8756 |
22157 |
|
...date precedes bulletin
|
Date: 2022-12-06:
| 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 |
43 |
3288 |
49 |
242 |
1 |
0 |
0 |
0 |
| OW |
8 |
802 |
60 |
716 |
287 |
0 |
0 |
0 |
| VODI |
0 |
308 |
42 |
610 |
832 |
97 |
0 |
0 |
| ODI |
0 |
87 |
5 |
150 |
476 |
408 |
68 |
0 |
| CDI |
0 |
29 |
5 |
80 |
361 |
942 |
128 |
6 |
| VCDI |
0 |
0 |
0 |
67 |
607 |
5558 |
8772 |
20732 |
|
...date precedes bulletin
|
Date: 2022-12-08:
| 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 |
0 |
1228 |
47 |
290 |
222 |
0 |
0 |
0 |
| OW |
0 |
369 |
44 |
721 |
628 |
40 |
0 |
0 |
| VODI |
0 |
123 |
5 |
447 |
1263 |
468 |
0 |
0 |
| ODI |
0 |
53 |
10 |
69 |
764 |
553 |
56 |
0 |
| CDI |
0 |
6 |
3 |
47 |
293 |
974 |
270 |
1 |
| VCDI |
0 |
0 |
0 |
8 |
360 |
4252 |
11741 |
20511 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
1269 |
55 |
385 |
296 |
0 |
0 |
0 |
| OW |
0 |
341 |
34 |
612 |
663 |
60 |
0 |
0 |
| VODI |
0 |
126 |
7 |
468 |
1157 |
497 |
0 |
0 |
| ODI |
0 |
38 |
11 |
76 |
738 |
481 |
54 |
0 |
| CDI |
0 |
5 |
2 |
32 |
350 |
916 |
285 |
1 |
| VCDI |
0 |
0 |
0 |
9 |
326 |
4333 |
11728 |
20511 |
|
Date: 2022-12-10:
| 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 |
3 |
560 |
10 |
51 |
133 |
32 |
0 |
0 |
| OW |
0 |
329 |
39 |
489 |
572 |
60 |
0 |
0 |
| VODI |
0 |
79 |
4 |
271 |
978 |
514 |
0 |
0 |
| ODI |
0 |
44 |
5 |
96 |
869 |
794 |
26 |
0 |
| CDI |
0 |
8 |
4 |
76 |
861 |
918 |
198 |
10 |
| VCDI |
0 |
0 |
0 |
0 |
343 |
3121 |
9348 |
25021 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3 |
560 |
23 |
167 |
236 |
38 |
0 |
0 |
| OW |
0 |
305 |
24 |
384 |
563 |
84 |
0 |
0 |
| VODI |
0 |
101 |
6 |
277 |
822 |
534 |
0 |
0 |
| ODI |
0 |
44 |
5 |
88 |
830 |
760 |
42 |
0 |
| CDI |
0 |
10 |
4 |
67 |
905 |
871 |
184 |
15 |
| VCDI |
0 |
0 |
0 |
0 |
400 |
3152 |
9346 |
25016 |
|
Date: 2022-12-12:
| 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 |
0 |
520 |
9 |
55 |
25 |
2 |
0 |
0 |
| OW |
0 |
162 |
25 |
180 |
72 |
31 |
0 |
0 |
| VODI |
0 |
71 |
11 |
287 |
535 |
245 |
0 |
0 |
| ODI |
0 |
11 |
5 |
159 |
1361 |
1054 |
0 |
0 |
| CDI |
0 |
0 |
0 |
23 |
731 |
2220 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
285 |
4467 |
13636 |
19684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
341 |
9 |
77 |
219 |
216 |
0 |
0 |
| OW |
0 |
198 |
15 |
201 |
504 |
344 |
0 |
0 |
| VODI |
0 |
122 |
11 |
177 |
607 |
759 |
1 |
0 |
| ODI |
0 |
81 |
7 |
102 |
371 |
1048 |
49 |
0 |
| CDI |
0 |
22 |
8 |
102 |
773 |
1435 |
154 |
8 |
| VCDI |
0 |
0 |
0 |
45 |
535 |
4217 |
13432 |
19676 |
|
Date: 2022-12-14:
| 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 |
0 |
337 |
21 |
85 |
2 |
1 |
0 |
0 |
| OW |
0 |
156 |
22 |
161 |
102 |
11 |
0 |
0 |
| VODI |
0 |
35 |
10 |
251 |
399 |
166 |
0 |
0 |
| ODI |
0 |
5 |
2 |
95 |
1192 |
460 |
0 |
0 |
| CDI |
0 |
0 |
0 |
48 |
1514 |
929 |
8 |
15 |
| VCDI |
0 |
0 |
0 |
19 |
731 |
5240 |
11944 |
21905 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
195 |
13 |
74 |
124 |
124 |
0 |
0 |
| OW |
0 |
232 |
18 |
229 |
358 |
180 |
0 |
0 |
| VODI |
0 |
71 |
15 |
123 |
721 |
327 |
0 |
0 |
| ODI |
0 |
20 |
7 |
108 |
711 |
661 |
36 |
0 |
| CDI |
0 |
12 |
1 |
55 |
997 |
1008 |
83 |
22 |
| VCDI |
0 |
3 |
1 |
70 |
1029 |
4507 |
11833 |
21898 |
|
Date: 2022-12-16:
| 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 |
0 |
166 |
8 |
81 |
3 |
0 |
0 |
0 |
| OW |
0 |
162 |
13 |
249 |
102 |
15 |
1 |
0 |
| VODI |
0 |
40 |
15 |
253 |
267 |
251 |
26 |
0 |
| ODI |
0 |
61 |
7 |
174 |
628 |
558 |
19 |
0 |
| CDI |
0 |
7 |
6 |
65 |
570 |
1195 |
12 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
675 |
5640 |
10654 |
23930 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
0 |
110 |
10 |
88 |
91 |
156 |
1 |
0 |
| OW |
0 |
186 |
13 |
214 |
195 |
260 |
20 |
0 |
| VODI |
0 |
77 |
13 |
285 |
293 |
506 |
48 |
0 |
| ODI |
0 |
52 |
9 |
110 |
244 |
638 |
88 |
0 |
| CDI |
0 |
11 |
4 |
52 |
455 |
1167 |
149 |
5 |
| VCDI |
0 |
0 |
0 |
86 |
967 |
4932 |
10406 |
23925 |
|
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