Validation of sea ice concentration - American sector
Bulletin date: 2022-11-17
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-11-11:
| 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 |
5410 |
6068 |
42 |
139 |
53 |
25 |
0 |
0 |
| OW |
0 |
497 |
34 |
242 |
50 |
15 |
0 |
0 |
| VODI |
0 |
335 |
15 |
282 |
197 |
32 |
0 |
0 |
| ODI |
0 |
153 |
9 |
176 |
243 |
81 |
8 |
0 |
| CDI |
1 |
35 |
7 |
57 |
379 |
350 |
33 |
0 |
| VCDI |
0 |
2 |
1 |
20 |
576 |
4486 |
10168 |
15645 |
|
...date precedes bulletin
|
Date: 2022-11-13:
| 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 |
5299 |
5447 |
49 |
188 |
86 |
27 |
0 |
0 |
| OW |
48 |
435 |
32 |
253 |
77 |
23 |
0 |
0 |
| VODI |
44 |
218 |
10 |
181 |
274 |
33 |
5 |
0 |
| ODI |
20 |
226 |
9 |
117 |
207 |
108 |
10 |
0 |
| CDI |
2 |
187 |
11 |
77 |
242 |
321 |
23 |
0 |
| VCDI |
0 |
3 |
0 |
29 |
335 |
3358 |
7882 |
19970 |
|
...date precedes bulletin
|
Date: 2022-11-15:
| 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 |
5371 |
5315 |
42 |
196 |
40 |
22 |
0 |
0 |
| OW |
1 |
406 |
35 |
152 |
175 |
3 |
0 |
0 |
| VODI |
0 |
202 |
17 |
211 |
228 |
17 |
3 |
0 |
| ODI |
0 |
91 |
12 |
157 |
288 |
39 |
1 |
0 |
| CDI |
0 |
12 |
9 |
210 |
389 |
289 |
6 |
0 |
| VCDI |
0 |
4 |
0 |
85 |
579 |
3367 |
9165 |
18727 |
|
...date precedes bulletin
|
Date: 2022-11-17:
| 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 |
4627 |
6038 |
30 |
97 |
20 |
12 |
0 |
0 |
| OW |
3 |
480 |
45 |
260 |
58 |
6 |
0 |
0 |
| VODI |
0 |
210 |
27 |
324 |
194 |
3 |
0 |
0 |
| ODI |
0 |
57 |
11 |
204 |
355 |
8 |
0 |
0 |
| CDI |
0 |
12 |
5 |
138 |
554 |
109 |
3 |
0 |
| VCDI |
0 |
0 |
1 |
79 |
1160 |
5692 |
8363 |
16681 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4627 |
6151 |
45 |
189 |
37 |
16 |
0 |
0 |
| OW |
3 |
382 |
36 |
182 |
87 |
2 |
0 |
0 |
| VODI |
0 |
196 |
21 |
305 |
176 |
3 |
0 |
0 |
| ODI |
0 |
54 |
11 |
193 |
321 |
11 |
2 |
0 |
| CDI |
0 |
14 |
5 |
126 |
536 |
96 |
1 |
0 |
| VCDI |
0 |
0 |
1 |
107 |
1184 |
5702 |
8363 |
16681 |
|
Date: 2022-11-19:
| 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 |
3534 |
6344 |
70 |
289 |
29 |
5 |
0 |
0 |
| OW |
11 |
461 |
33 |
328 |
215 |
22 |
2 |
0 |
| VODI |
0 |
233 |
21 |
212 |
412 |
35 |
1 |
0 |
| ODI |
0 |
57 |
15 |
124 |
404 |
106 |
4 |
0 |
| CDI |
0 |
18 |
4 |
95 |
385 |
336 |
4 |
2 |
| VCDI |
0 |
1 |
1 |
14 |
1042 |
7173 |
8213 |
15611 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3539 |
6463 |
73 |
376 |
98 |
15 |
1 |
0 |
| OW |
6 |
364 |
29 |
229 |
205 |
13 |
1 |
0 |
| VODI |
0 |
208 |
19 |
221 |
348 |
58 |
1 |
0 |
| ODI |
0 |
65 |
15 |
119 |
377 |
92 |
6 |
0 |
| CDI |
0 |
12 |
7 |
80 |
398 |
329 |
2 |
5 |
| VCDI |
0 |
2 |
1 |
37 |
1061 |
7170 |
8213 |
15608 |
|
Date: 2022-11-21:
| 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 |
2452 |
6418 |
71 |
281 |
10 |
0 |
0 |
0 |
| OW |
49 |
480 |
60 |
355 |
109 |
0 |
0 |
0 |
| VODI |
3 |
91 |
21 |
372 |
470 |
2 |
0 |
0 |
| ODI |
0 |
22 |
7 |
71 |
702 |
198 |
13 |
0 |
| CDI |
0 |
2 |
2 |
31 |
490 |
707 |
10 |
0 |
| VCDI |
0 |
0 |
0 |
44 |
521 |
6554 |
8242 |
17006 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2483 |
6535 |
99 |
470 |
115 |
0 |
13 |
0 |
| OW |
21 |
281 |
35 |
273 |
244 |
12 |
5 |
0 |
| VODI |
0 |
106 |
11 |
209 |
429 |
190 |
1 |
0 |
| ODI |
0 |
52 |
11 |
71 |
350 |
204 |
2 |
0 |
| CDI |
0 |
20 |
2 |
37 |
447 |
336 |
11 |
1 |
| VCDI |
0 |
19 |
3 |
94 |
717 |
6719 |
8233 |
17005 |
|
Date: 2022-11-23:
| 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 |
2612 |
5404 |
74 |
309 |
173 |
0 |
0 |
0 |
| OW |
67 |
656 |
58 |
322 |
82 |
0 |
0 |
0 |
| VODI |
20 |
122 |
25 |
372 |
335 |
6 |
0 |
0 |
| ODI |
0 |
4 |
3 |
91 |
491 |
128 |
0 |
0 |
| CDI |
0 |
0 |
0 |
40 |
445 |
408 |
33 |
14 |
| VCDI |
0 |
0 |
0 |
26 |
530 |
5089 |
9120 |
18807 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2618 |
5533 |
99 |
451 |
168 |
0 |
0 |
11 |
| OW |
70 |
430 |
25 |
233 |
200 |
3 |
4 |
4 |
| VODI |
11 |
176 |
22 |
226 |
404 |
82 |
4 |
2 |
| ODI |
0 |
45 |
12 |
96 |
328 |
212 |
5 |
2 |
| CDI |
0 |
2 |
2 |
78 |
326 |
420 |
29 |
7 |
| VCDI |
0 |
0 |
0 |
76 |
630 |
4914 |
9111 |
18795 |
|
Date: 2022-11-25:
| 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 |
3186 |
3995 |
45 |
447 |
162 |
0 |
0 |
0 |
| OW |
76 |
963 |
53 |
331 |
134 |
3 |
0 |
0 |
| VODI |
18 |
202 |
26 |
353 |
300 |
24 |
0 |
0 |
| ODI |
0 |
20 |
5 |
143 |
390 |
85 |
0 |
0 |
| CDI |
0 |
8 |
2 |
40 |
422 |
219 |
34 |
5 |
| VCDI |
0 |
0 |
0 |
16 |
484 |
4152 |
10016 |
19507 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3174 |
4217 |
70 |
544 |
164 |
11 |
0 |
0 |
| OW |
83 |
553 |
21 |
294 |
137 |
21 |
2 |
13 |
| VODI |
22 |
278 |
23 |
262 |
385 |
39 |
5 |
4 |
| ODI |
1 |
114 |
11 |
114 |
374 |
149 |
1 |
2 |
| CDI |
0 |
21 |
4 |
61 |
303 |
350 |
32 |
10 |
| VCDI |
0 |
5 |
2 |
55 |
529 |
3913 |
10010 |
19483 |
|
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