Validation of sea ice concentration - American sector
Bulletin date: 2024-11-14
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-11-08:
| 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 |
23548 |
3363 |
274 |
431 |
13 |
0 |
0 |
0 |
| OW |
36 |
324 |
100 |
542 |
506 |
14 |
0 |
0 |
| VODI |
12 |
94 |
28 |
248 |
869 |
372 |
1 |
0 |
| ODI |
1 |
82 |
10 |
37 |
674 |
451 |
12 |
0 |
| CDI |
2 |
23 |
13 |
23 |
218 |
1084 |
95 |
0 |
| VCDI |
0 |
3 |
4 |
42 |
106 |
1506 |
9210 |
16860 |
|
...date precedes bulletin
|
Date: 2024-11-10:
| 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 |
22797 |
2824 |
243 |
731 |
126 |
0 |
0 |
0 |
| OW |
26 |
305 |
64 |
460 |
362 |
38 |
0 |
0 |
| VODI |
3 |
77 |
41 |
224 |
573 |
423 |
0 |
0 |
| ODI |
0 |
35 |
4 |
122 |
503 |
759 |
0 |
0 |
| CDI |
0 |
26 |
10 |
36 |
535 |
951 |
68 |
0 |
| VCDI |
0 |
13 |
13 |
61 |
221 |
1722 |
9103 |
17732 |
|
...date precedes bulletin
|
Date: 2024-11-12:
| 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 |
22433 |
2825 |
241 |
467 |
212 |
0 |
0 |
0 |
| OW |
83 |
288 |
76 |
361 |
172 |
13 |
0 |
0 |
| VODI |
15 |
41 |
15 |
298 |
314 |
54 |
0 |
0 |
| ODI |
0 |
5 |
1 |
51 |
555 |
214 |
0 |
0 |
| CDI |
0 |
4 |
3 |
36 |
533 |
1612 |
109 |
11 |
| VCDI |
0 |
1 |
0 |
17 |
246 |
2025 |
8450 |
19450 |
|
...date precedes bulletin
|
Date: 2024-11-14:
| 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 |
22398 |
2036 |
282 |
508 |
205 |
4 |
0 |
0 |
| OW |
76 |
276 |
85 |
601 |
193 |
1 |
0 |
0 |
| VODI |
20 |
62 |
26 |
354 |
309 |
25 |
10 |
0 |
| ODI |
1 |
32 |
4 |
80 |
449 |
135 |
20 |
0 |
| CDI |
0 |
7 |
2 |
20 |
245 |
809 |
148 |
0 |
| VCDI |
0 |
1 |
1 |
9 |
221 |
2408 |
7592 |
21576 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22397 |
2051 |
292 |
658 |
268 |
5 |
0 |
0 |
| OW |
73 |
239 |
71 |
425 |
167 |
2 |
0 |
0 |
| VODI |
24 |
80 |
25 |
354 |
297 |
23 |
12 |
0 |
| ODI |
1 |
32 |
9 |
97 |
427 |
129 |
21 |
0 |
| CDI |
0 |
10 |
3 |
25 |
272 |
803 |
126 |
1 |
| VCDI |
0 |
2 |
0 |
13 |
191 |
2420 |
7611 |
21575 |
|
Date: 2024-11-16:
| 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 |
22145 |
1727 |
212 |
483 |
3 |
0 |
0 |
0 |
| OW |
95 |
303 |
108 |
539 |
229 |
0 |
0 |
0 |
| VODI |
8 |
151 |
28 |
407 |
481 |
50 |
0 |
0 |
| ODI |
1 |
22 |
11 |
110 |
480 |
196 |
0 |
0 |
| CDI |
0 |
9 |
0 |
52 |
243 |
771 |
47 |
0 |
| VCDI |
0 |
0 |
0 |
11 |
194 |
3097 |
10145 |
18873 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22131 |
1751 |
226 |
613 |
54 |
0 |
0 |
0 |
| OW |
105 |
265 |
85 |
436 |
261 |
1 |
0 |
0 |
| VODI |
12 |
150 |
33 |
340 |
421 |
70 |
0 |
0 |
| ODI |
1 |
30 |
12 |
131 |
417 |
192 |
0 |
0 |
| CDI |
0 |
13 |
3 |
63 |
271 |
730 |
54 |
0 |
| VCDI |
0 |
3 |
0 |
19 |
206 |
3121 |
10138 |
18873 |
|
Date: 2024-11-18:
| 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 |
21412 |
2218 |
83 |
169 |
73 |
0 |
0 |
0 |
| OW |
47 |
414 |
79 |
339 |
144 |
0 |
0 |
0 |
| VODI |
12 |
85 |
62 |
697 |
372 |
1 |
0 |
0 |
| ODI |
0 |
3 |
0 |
117 |
781 |
144 |
0 |
0 |
| CDI |
0 |
0 |
0 |
48 |
350 |
1251 |
21 |
0 |
| VCDI |
0 |
0 |
0 |
37 |
743 |
2747 |
7786 |
20996 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
21394 |
2124 |
88 |
301 |
263 |
0 |
0 |
0 |
| OW |
52 |
313 |
35 |
419 |
249 |
8 |
0 |
0 |
| VODI |
20 |
178 |
37 |
336 |
376 |
117 |
0 |
0 |
| ODI |
5 |
85 |
35 |
144 |
427 |
303 |
1 |
0 |
| CDI |
0 |
19 |
28 |
124 |
256 |
701 |
34 |
19 |
| VCDI |
0 |
1 |
1 |
83 |
892 |
3014 |
7772 |
20977 |
|
Date: 2024-11-20:
| 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 |
22180 |
1599 |
63 |
80 |
9 |
0 |
0 |
0 |
| OW |
112 |
547 |
105 |
241 |
48 |
0 |
0 |
0 |
| VODI |
38 |
296 |
115 |
343 |
229 |
5 |
0 |
0 |
| ODI |
3 |
87 |
37 |
270 |
528 |
168 |
0 |
0 |
| CDI |
0 |
14 |
3 |
174 |
821 |
589 |
4 |
0 |
| VCDI |
0 |
1 |
1 |
48 |
821 |
3091 |
8685 |
19876 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22114 |
1531 |
92 |
149 |
0 |
0 |
0 |
0 |
| OW |
140 |
491 |
102 |
237 |
119 |
0 |
0 |
0 |
| VODI |
63 |
305 |
53 |
325 |
290 |
42 |
0 |
0 |
| ODI |
16 |
131 |
37 |
168 |
481 |
128 |
0 |
0 |
| CDI |
0 |
67 |
37 |
169 |
622 |
575 |
6 |
0 |
| VCDI |
0 |
19 |
3 |
108 |
944 |
3108 |
8683 |
19876 |
|
Date: 2024-11-22:
| 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 |
22320 |
1290 |
63 |
114 |
25 |
0 |
0 |
0 |
| OW |
133 |
357 |
88 |
305 |
132 |
0 |
0 |
0 |
| VODI |
46 |
172 |
76 |
305 |
272 |
53 |
0 |
0 |
| ODI |
4 |
79 |
17 |
162 |
381 |
275 |
0 |
0 |
| CDI |
0 |
18 |
5 |
90 |
558 |
770 |
12 |
0 |
| VCDI |
0 |
3 |
0 |
14 |
442 |
4800 |
10880 |
16970 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22080 |
1061 |
81 |
215 |
97 |
0 |
0 |
0 |
| OW |
256 |
348 |
41 |
210 |
187 |
4 |
0 |
0 |
| VODI |
118 |
309 |
61 |
258 |
314 |
112 |
0 |
0 |
| ODI |
32 |
112 |
39 |
141 |
291 |
280 |
0 |
0 |
| CDI |
17 |
57 |
26 |
112 |
309 |
624 |
40 |
0 |
| VCDI |
0 |
32 |
1 |
54 |
612 |
4878 |
10852 |
16970 |
|
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