Validation of sea ice concentration - American sector
Bulletin date: 2022-08-04
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-07-29:
| 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 |
7380 |
8883 |
141 |
544 |
66 |
0 |
0 |
0 |
| OW |
0 |
318 |
75 |
586 |
75 |
0 |
0 |
0 |
| VODI |
0 |
44 |
20 |
920 |
572 |
1 |
0 |
0 |
| ODI |
0 |
2 |
1 |
532 |
2310 |
635 |
6 |
0 |
| CDI |
0 |
1 |
0 |
169 |
3442 |
4879 |
2028 |
203 |
| VCDI |
0 |
0 |
0 |
18 |
41 |
2049 |
5643 |
4282 |
|
...date precedes bulletin
|
Date: 2022-07-31:
| 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 |
7653 |
8887 |
133 |
541 |
58 |
0 |
0 |
0 |
| OW |
0 |
472 |
72 |
491 |
67 |
0 |
0 |
0 |
| VODI |
0 |
78 |
26 |
1027 |
597 |
3 |
0 |
0 |
| ODI |
0 |
12 |
3 |
550 |
2161 |
540 |
0 |
0 |
| CDI |
0 |
1 |
0 |
150 |
2976 |
5485 |
1370 |
0 |
| VCDI |
0 |
0 |
0 |
80 |
85 |
2289 |
6394 |
3665 |
|
...date precedes bulletin
|
Date: 2022-08-02:
| 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 |
8592 |
8778 |
123 |
401 |
31 |
0 |
0 |
0 |
| OW |
0 |
447 |
76 |
466 |
39 |
0 |
0 |
0 |
| VODI |
0 |
286 |
52 |
1225 |
561 |
4 |
0 |
0 |
| ODI |
0 |
17 |
3 |
353 |
2963 |
218 |
0 |
0 |
| CDI |
0 |
30 |
8 |
69 |
2530 |
6376 |
177 |
0 |
| VCDI |
0 |
0 |
0 |
5 |
20 |
2056 |
6574 |
3386 |
|
...date precedes bulletin
|
Date: 2022-08-04:
| 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 |
10524 |
7461 |
71 |
259 |
22 |
0 |
0 |
0 |
| OW |
0 |
564 |
76 |
544 |
69 |
0 |
0 |
0 |
| VODI |
0 |
342 |
44 |
1178 |
521 |
0 |
0 |
0 |
| ODI |
0 |
48 |
7 |
449 |
2692 |
64 |
0 |
0 |
| CDI |
0 |
31 |
9 |
82 |
3135 |
6312 |
179 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
29 |
2170 |
6329 |
2651 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10524 |
7489 |
79 |
328 |
23 |
0 |
0 |
0 |
| OW |
0 |
478 |
61 |
462 |
73 |
0 |
0 |
0 |
| VODI |
0 |
392 |
51 |
1177 |
531 |
0 |
0 |
0 |
| ODI |
0 |
59 |
8 |
438 |
2678 |
71 |
0 |
0 |
| CDI |
0 |
28 |
8 |
107 |
3133 |
6242 |
135 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
30 |
2233 |
6373 |
2651 |
|
Date: 2022-08-06:
| 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 |
10328 |
7881 |
98 |
314 |
30 |
0 |
0 |
0 |
| OW |
0 |
557 |
73 |
644 |
87 |
0 |
0 |
0 |
| VODI |
0 |
245 |
35 |
1236 |
530 |
0 |
0 |
0 |
| ODI |
0 |
60 |
15 |
535 |
2414 |
160 |
0 |
0 |
| CDI |
0 |
12 |
3 |
185 |
4254 |
5676 |
433 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
58 |
2754 |
6136 |
1109 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10328 |
7947 |
93 |
375 |
45 |
0 |
0 |
0 |
| OW |
0 |
448 |
79 |
556 |
101 |
0 |
0 |
0 |
| VODI |
0 |
276 |
34 |
1259 |
506 |
0 |
0 |
0 |
| ODI |
0 |
78 |
15 |
518 |
2409 |
131 |
0 |
0 |
| CDI |
0 |
6 |
3 |
206 |
4257 |
5606 |
431 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
55 |
2853 |
6138 |
1109 |
|
Date: 2022-08-08:
| 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 |
12184 |
6423 |
83 |
330 |
9 |
0 |
0 |
0 |
| OW |
0 |
623 |
58 |
515 |
23 |
0 |
0 |
0 |
| VODI |
0 |
238 |
38 |
1430 |
419 |
0 |
0 |
0 |
| ODI |
0 |
12 |
3 |
309 |
5212 |
65 |
0 |
0 |
| CDI |
0 |
0 |
0 |
0 |
2339 |
5616 |
212 |
0 |
| VCDI |
0 |
2 |
2 |
1 |
18 |
907 |
5162 |
3633 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12184 |
6404 |
81 |
398 |
40 |
0 |
0 |
0 |
| OW |
0 |
420 |
56 |
546 |
110 |
1 |
0 |
0 |
| VODI |
0 |
293 |
23 |
1038 |
763 |
31 |
0 |
0 |
| ODI |
0 |
165 |
14 |
399 |
2510 |
191 |
0 |
0 |
| CDI |
0 |
14 |
8 |
203 |
4546 |
4730 |
367 |
84 |
| VCDI |
0 |
2 |
2 |
1 |
51 |
1635 |
5007 |
3549 |
|
Date: 2022-08-10:
| 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 |
12603 |
6274 |
91 |
415 |
19 |
0 |
0 |
0 |
| OW |
6 |
634 |
45 |
577 |
46 |
0 |
0 |
0 |
| VODI |
0 |
201 |
33 |
1366 |
593 |
0 |
0 |
0 |
| ODI |
0 |
24 |
9 |
659 |
4459 |
112 |
0 |
0 |
| CDI |
0 |
0 |
0 |
30 |
2264 |
4852 |
1139 |
0 |
| VCDI |
0 |
2 |
2 |
1 |
21 |
372 |
4254 |
4763 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12565 |
6204 |
85 |
470 |
40 |
0 |
0 |
0 |
| OW |
32 |
391 |
38 |
526 |
135 |
3 |
0 |
0 |
| VODI |
12 |
302 |
28 |
965 |
874 |
21 |
0 |
0 |
| ODI |
0 |
172 |
12 |
566 |
2199 |
165 |
0 |
0 |
| CDI |
0 |
65 |
16 |
520 |
4110 |
4306 |
1368 |
29 |
| VCDI |
0 |
1 |
1 |
1 |
44 |
841 |
4025 |
4734 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
12746 |
6157 |
84 |
368 |
76 |
0 |
0 |
0 |
| OW |
35 |
557 |
42 |
386 |
100 |
1 |
0 |
0 |
| VODI |
14 |
547 |
44 |
890 |
682 |
11 |
0 |
0 |
| ODI |
0 |
261 |
27 |
899 |
1891 |
186 |
0 |
0 |
| CDI |
0 |
164 |
14 |
847 |
3672 |
5661 |
1559 |
95 |
| VCDI |
0 |
2 |
1 |
2 |
42 |
991 |
5001 |
1811 |
|
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