Validation of sea ice concentration - American sector
Bulletin date: 2022-09-29
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-09-23:
| 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 |
18421 |
7153 |
71 |
353 |
152 |
4 |
0 |
0 |
| OW |
0 |
907 |
38 |
362 |
149 |
2 |
0 |
0 |
| VODI |
0 |
101 |
31 |
740 |
386 |
58 |
0 |
0 |
| ODI |
0 |
0 |
0 |
149 |
720 |
158 |
1 |
0 |
| CDI |
0 |
0 |
0 |
0 |
309 |
1204 |
106 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
20 |
2034 |
8691 |
3540 |
|
...date precedes bulletin
|
Date: 2022-09-25:
| 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 |
17759 |
6622 |
89 |
478 |
130 |
0 |
0 |
0 |
| OW |
0 |
891 |
47 |
409 |
387 |
39 |
0 |
0 |
| VODI |
0 |
131 |
27 |
483 |
585 |
108 |
0 |
0 |
| ODI |
0 |
3 |
0 |
38 |
826 |
243 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
236 |
1022 |
54 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
21 |
3673 |
9415 |
2145 |
|
...date precedes bulletin
|
Date: 2022-09-27:
| 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 |
16742 |
7650 |
104 |
470 |
257 |
37 |
0 |
0 |
| OW |
0 |
153 |
32 |
286 |
285 |
45 |
0 |
0 |
| VODI |
0 |
20 |
7 |
331 |
665 |
108 |
3 |
0 |
| ODI |
0 |
1 |
0 |
22 |
768 |
363 |
5 |
0 |
| CDI |
0 |
0 |
0 |
0 |
110 |
1078 |
333 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
19 |
3062 |
11097 |
1810 |
|
...date precedes bulletin
|
Date: 2022-09-29:
| 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 |
16228 |
7617 |
101 |
343 |
200 |
78 |
0 |
0 |
| OW |
0 |
413 |
37 |
332 |
201 |
136 |
0 |
0 |
| VODI |
0 |
57 |
13 |
290 |
556 |
219 |
0 |
0 |
| ODI |
0 |
3 |
0 |
44 |
573 |
352 |
12 |
0 |
| CDI |
0 |
0 |
0 |
0 |
339 |
826 |
378 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
15 |
3661 |
11533 |
1309 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16228 |
7667 |
105 |
363 |
216 |
93 |
0 |
0 |
| OW |
0 |
339 |
26 |
266 |
193 |
161 |
0 |
0 |
| VODI |
0 |
80 |
20 |
352 |
532 |
285 |
0 |
0 |
| ODI |
0 |
4 |
0 |
28 |
566 |
280 |
14 |
0 |
| CDI |
0 |
0 |
0 |
0 |
356 |
671 |
265 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
21 |
3782 |
11644 |
1309 |
|
Date: 2022-10-01:
| 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 |
15826 |
7602 |
83 |
353 |
209 |
0 |
0 |
0 |
| OW |
0 |
665 |
50 |
329 |
295 |
15 |
0 |
0 |
| VODI |
0 |
99 |
28 |
375 |
507 |
127 |
0 |
0 |
| ODI |
0 |
9 |
0 |
96 |
680 |
229 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
262 |
932 |
49 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
22 |
3633 |
10073 |
3318 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15819 |
7705 |
90 |
395 |
179 |
11 |
0 |
0 |
| OW |
7 |
488 |
38 |
240 |
346 |
19 |
0 |
0 |
| VODI |
0 |
171 |
33 |
451 |
597 |
140 |
0 |
0 |
| ODI |
0 |
11 |
0 |
67 |
543 |
221 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
243 |
738 |
45 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
67 |
3807 |
10077 |
3318 |
|
Date: 2022-10-03:
| 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 |
15385 |
8162 |
120 |
313 |
85 |
0 |
0 |
0 |
| OW |
0 |
210 |
37 |
320 |
121 |
0 |
0 |
0 |
| VODI |
0 |
37 |
14 |
343 |
505 |
3 |
0 |
10 |
| ODI |
0 |
3 |
0 |
25 |
1060 |
178 |
16 |
17 |
| CDI |
0 |
0 |
0 |
0 |
171 |
1451 |
87 |
11 |
| VCDI |
0 |
0 |
0 |
0 |
26 |
2632 |
8528 |
5996 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15377 |
7708 |
114 |
369 |
123 |
0 |
0 |
0 |
| OW |
8 |
460 |
27 |
257 |
448 |
8 |
0 |
0 |
| VODI |
0 |
218 |
21 |
230 |
694 |
161 |
0 |
0 |
| ODI |
0 |
24 |
9 |
108 |
400 |
357 |
0 |
0 |
| CDI |
0 |
2 |
0 |
22 |
219 |
776 |
51 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
84 |
2962 |
8580 |
6034 |
|
Date: 2022-10-05:
| 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 |
14217 |
9020 |
115 |
321 |
111 |
0 |
0 |
0 |
| OW |
3 |
231 |
59 |
365 |
205 |
5 |
0 |
0 |
| VODI |
0 |
34 |
10 |
224 |
604 |
44 |
0 |
0 |
| ODI |
0 |
2 |
1 |
43 |
596 |
379 |
0 |
0 |
| CDI |
0 |
0 |
0 |
1 |
465 |
1063 |
63 |
3 |
| VCDI |
0 |
0 |
0 |
0 |
37 |
3247 |
8751 |
5647 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14220 |
8448 |
113 |
335 |
175 |
3 |
0 |
0 |
| OW |
0 |
630 |
40 |
215 |
321 |
81 |
0 |
0 |
| VODI |
0 |
199 |
31 |
283 |
528 |
191 |
0 |
0 |
| ODI |
0 |
10 |
1 |
101 |
639 |
306 |
0 |
0 |
| CDI |
0 |
0 |
0 |
17 |
268 |
750 |
31 |
0 |
| VCDI |
0 |
0 |
0 |
3 |
87 |
3407 |
8783 |
5650 |
|
Date: 2022-10-07:
| 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 |
15040 |
8264 |
61 |
182 |
64 |
14 |
0 |
0 |
| OW |
19 |
739 |
59 |
237 |
23 |
0 |
0 |
0 |
| VODI |
0 |
189 |
44 |
537 |
194 |
0 |
0 |
0 |
| ODI |
0 |
17 |
7 |
327 |
522 |
48 |
0 |
0 |
| CDI |
0 |
1 |
2 |
36 |
870 |
482 |
41 |
0 |
| VCDI |
0 |
0 |
0 |
23 |
597 |
4740 |
8141 |
4346 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15059 |
7649 |
61 |
200 |
67 |
14 |
0 |
0 |
| OW |
0 |
915 |
51 |
291 |
20 |
0 |
0 |
0 |
| VODI |
0 |
482 |
38 |
503 |
293 |
0 |
0 |
0 |
| ODI |
0 |
124 |
10 |
185 |
583 |
145 |
0 |
0 |
| CDI |
0 |
30 |
9 |
87 |
634 |
344 |
26 |
0 |
| VCDI |
0 |
10 |
4 |
76 |
673 |
4781 |
8156 |
4346 |
|
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