Validation of sea ice concentration - American sector
Bulletin date: 2024-09-05
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-30:
| 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 |
33929 |
4400 |
9 |
13 |
0 |
0 |
0 |
0 |
| OW |
313 |
3056 |
354 |
224 |
4 |
0 |
0 |
0 |
| VODI |
39 |
159 |
287 |
2603 |
175 |
2 |
0 |
0 |
| ODI |
5 |
6 |
3 |
288 |
6154 |
281 |
0 |
0 |
| CDI |
1 |
29 |
0 |
20 |
1170 |
3938 |
244 |
0 |
| VCDI |
0 |
23 |
0 |
3 |
65 |
1020 |
2407 |
7 |
|
...date precedes bulletin
|
Date: 2024-09-01:
| 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 |
34105 |
4255 |
17 |
19 |
0 |
0 |
0 |
0 |
| OW |
355 |
3073 |
243 |
189 |
5 |
0 |
0 |
0 |
| VODI |
44 |
241 |
363 |
2375 |
239 |
7 |
0 |
0 |
| ODI |
3 |
3 |
0 |
433 |
6284 |
317 |
0 |
0 |
| CDI |
0 |
32 |
0 |
16 |
906 |
4245 |
127 |
0 |
| VCDI |
0 |
20 |
0 |
1 |
91 |
1019 |
2204 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-03:
| 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 |
34921 |
4904 |
12 |
28 |
0 |
0 |
0 |
0 |
| OW |
240 |
2138 |
320 |
306 |
2 |
0 |
0 |
0 |
| VODI |
15 |
112 |
149 |
2512 |
220 |
4 |
0 |
0 |
| ODI |
1 |
7 |
8 |
307 |
6609 |
367 |
0 |
0 |
| CDI |
0 |
40 |
0 |
10 |
571 |
4317 |
99 |
0 |
| VCDI |
0 |
11 |
0 |
1 |
36 |
1203 |
1761 |
0 |
|
...date precedes bulletin
|
Date: 2024-09-05:
| 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 |
35393 |
4673 |
14 |
23 |
2 |
0 |
0 |
0 |
| OW |
352 |
1971 |
275 |
179 |
91 |
0 |
0 |
0 |
| VODI |
17 |
294 |
216 |
1987 |
419 |
3 |
0 |
0 |
| ODI |
1 |
28 |
10 |
262 |
6320 |
651 |
0 |
0 |
| CDI |
0 |
42 |
0 |
13 |
617 |
4245 |
106 |
0 |
| VCDI |
0 |
16 |
0 |
7 |
32 |
1204 |
1768 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
35394 |
4601 |
14 |
14 |
2 |
0 |
0 |
0 |
| OW |
356 |
1998 |
274 |
194 |
107 |
0 |
0 |
0 |
| VODI |
12 |
338 |
218 |
1954 |
559 |
3 |
0 |
0 |
| ODI |
1 |
26 |
9 |
289 |
6163 |
778 |
0 |
0 |
| CDI |
0 |
48 |
0 |
15 |
606 |
4078 |
121 |
0 |
| VCDI |
0 |
13 |
0 |
5 |
44 |
1244 |
1753 |
0 |
|
Date: 2024-09-07:
| 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 |
35913 |
4374 |
5 |
28 |
0 |
0 |
0 |
0 |
| OW |
343 |
1972 |
250 |
115 |
98 |
0 |
0 |
0 |
| VODI |
25 |
406 |
242 |
1604 |
525 |
3 |
0 |
0 |
| ODI |
1 |
25 |
3 |
209 |
5063 |
1124 |
0 |
0 |
| CDI |
0 |
41 |
2 |
13 |
458 |
4400 |
729 |
0 |
| VCDI |
0 |
18 |
0 |
7 |
38 |
2000 |
1197 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
35883 |
4257 |
9 |
13 |
0 |
0 |
0 |
0 |
| OW |
369 |
2049 |
240 |
155 |
115 |
0 |
0 |
0 |
| VODI |
30 |
440 |
246 |
1526 |
561 |
2 |
0 |
0 |
| ODI |
0 |
29 |
4 |
261 |
5001 |
1513 |
0 |
0 |
| CDI |
0 |
44 |
3 |
14 |
431 |
4027 |
784 |
0 |
| VCDI |
0 |
17 |
0 |
7 |
74 |
1985 |
1142 |
0 |
|
Date: 2024-09-09:
| 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 |
36477 |
4988 |
14 |
26 |
0 |
0 |
0 |
0 |
| OW |
130 |
1763 |
455 |
251 |
1 |
0 |
0 |
0 |
| VODI |
8 |
44 |
15 |
1576 |
113 |
1 |
0 |
0 |
| ODI |
0 |
18 |
5 |
66 |
3867 |
67 |
0 |
0 |
| CDI |
0 |
48 |
1 |
4 |
628 |
6424 |
104 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
14 |
1616 |
2507 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
36224 |
4026 |
11 |
19 |
0 |
0 |
0 |
0 |
| OW |
359 |
2164 |
181 |
187 |
8 |
0 |
0 |
0 |
| VODI |
32 |
569 |
288 |
1407 |
382 |
16 |
0 |
0 |
| ODI |
0 |
41 |
4 |
302 |
3792 |
2056 |
104 |
0 |
| CDI |
0 |
58 |
6 |
8 |
361 |
4413 |
1324 |
0 |
| VCDI |
0 |
3 |
0 |
0 |
80 |
1623 |
1183 |
0 |
|
Date: 2024-09-11:
| 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 |
35943 |
5715 |
38 |
42 |
0 |
0 |
0 |
0 |
| OW |
164 |
1606 |
419 |
318 |
0 |
0 |
0 |
0 |
| VODI |
5 |
93 |
48 |
1435 |
204 |
2 |
0 |
0 |
| ODI |
0 |
28 |
5 |
105 |
2591 |
506 |
20 |
0 |
| CDI |
0 |
43 |
2 |
4 |
972 |
4670 |
462 |
0 |
| VCDI |
0 |
0 |
0 |
0 |
13 |
2332 |
3446 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
35791 |
4724 |
34 |
36 |
0 |
0 |
0 |
0 |
| OW |
278 |
2023 |
176 |
241 |
14 |
0 |
0 |
0 |
| VODI |
43 |
621 |
279 |
1245 |
420 |
16 |
0 |
0 |
| ODI |
0 |
70 |
21 |
378 |
2672 |
2042 |
63 |
0 |
| CDI |
0 |
45 |
2 |
4 |
652 |
4570 |
1570 |
0 |
| VCDI |
0 |
2 |
0 |
0 |
22 |
882 |
2295 |
0 |
|
Date: 2024-09-13:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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