Validation of sea ice concentration - American sector
Bulletin date: 2022-11-03
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-10-28:
| 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 |
7950 |
6124 |
683 |
501 |
388 |
199 |
0 |
0 |
| OW |
14 |
430 |
241 |
655 |
231 |
125 |
5 |
0 |
| VODI |
17 |
140 |
80 |
326 |
552 |
194 |
0 |
0 |
| ODI |
0 |
13 |
15 |
117 |
478 |
334 |
0 |
0 |
| CDI |
0 |
0 |
0 |
72 |
363 |
647 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
199 |
2398 |
7043 |
15288 |
|
...date precedes bulletin
|
Date: 2022-10-30:
| 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 |
8783 |
4495 |
424 |
314 |
270 |
203 |
0 |
0 |
| OW |
20 |
287 |
230 |
479 |
556 |
219 |
1 |
0 |
| VODI |
0 |
156 |
119 |
328 |
676 |
360 |
8 |
0 |
| ODI |
0 |
51 |
27 |
162 |
309 |
478 |
26 |
0 |
| CDI |
0 |
2 |
12 |
111 |
267 |
591 |
100 |
9 |
| VCDI |
0 |
0 |
0 |
13 |
360 |
2391 |
7716 |
15313 |
|
...date precedes bulletin
|
Date: 2022-11-01:
| 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 |
1741 |
10292 |
1383 |
249 |
93 |
13 |
0 |
0 |
| OW |
26 |
209 |
159 |
178 |
146 |
110 |
3 |
0 |
| VODI |
11 |
137 |
90 |
310 |
353 |
245 |
16 |
0 |
| ODI |
0 |
24 |
32 |
218 |
567 |
528 |
21 |
0 |
| CDI |
0 |
0 |
5 |
68 |
467 |
1436 |
120 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
250 |
2468 |
8473 |
15421 |
|
...date precedes bulletin
|
Date: 2022-11-03:
| 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 |
3073 |
8500 |
1291 |
126 |
59 |
17 |
0 |
0 |
| OW |
31 |
233 |
240 |
206 |
114 |
114 |
1 |
0 |
| VODI |
12 |
122 |
157 |
224 |
224 |
250 |
3 |
0 |
| ODI |
0 |
74 |
71 |
223 |
375 |
342 |
9 |
0 |
| CDI |
0 |
9 |
35 |
138 |
697 |
744 |
44 |
0 |
| VCDI |
0 |
0 |
15 |
65 |
400 |
3098 |
8640 |
15890 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3085 |
8476 |
1272 |
181 |
77 |
54 |
0 |
0 |
| OW |
22 |
228 |
267 |
165 |
97 |
127 |
0 |
0 |
| VODI |
9 |
137 |
124 |
187 |
232 |
234 |
4 |
0 |
| ODI |
0 |
82 |
78 |
226 |
377 |
336 |
9 |
0 |
| CDI |
0 |
13 |
48 |
154 |
652 |
645 |
53 |
0 |
| VCDI |
0 |
2 |
20 |
69 |
434 |
3169 |
8631 |
15890 |
|
Date: 2022-11-05:
| 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 |
6237 |
5312 |
205 |
110 |
58 |
36 |
13 |
0 |
| OW |
58 |
711 |
123 |
175 |
94 |
57 |
11 |
0 |
| VODI |
38 |
209 |
137 |
219 |
246 |
251 |
18 |
0 |
| ODI |
11 |
33 |
56 |
127 |
264 |
355 |
27 |
0 |
| CDI |
0 |
67 |
45 |
115 |
301 |
617 |
56 |
0 |
| VCDI |
0 |
2 |
1 |
48 |
365 |
3763 |
10548 |
14747 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
6245 |
5367 |
245 |
137 |
73 |
27 |
11 |
0 |
| OW |
57 |
493 |
102 |
158 |
107 |
86 |
8 |
0 |
| VODI |
41 |
359 |
107 |
199 |
216 |
291 |
24 |
0 |
| ODI |
1 |
42 |
67 |
131 |
228 |
311 |
25 |
0 |
| CDI |
0 |
67 |
42 |
98 |
285 |
535 |
79 |
0 |
| VCDI |
0 |
6 |
4 |
71 |
419 |
3829 |
10526 |
14747 |
|
Date: 2022-11-07:
| 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 |
3864 |
8206 |
783 |
111 |
63 |
17 |
0 |
0 |
| OW |
75 |
178 |
114 |
152 |
63 |
27 |
0 |
0 |
| VODI |
27 |
53 |
76 |
195 |
163 |
67 |
0 |
0 |
| ODI |
16 |
17 |
41 |
181 |
387 |
232 |
11 |
0 |
| CDI |
0 |
7 |
6 |
43 |
293 |
1075 |
137 |
0 |
| VCDI |
0 |
1 |
6 |
17 |
213 |
4117 |
14193 |
10639 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3725 |
7477 |
691 |
49 |
45 |
11 |
0 |
0 |
| OW |
85 |
264 |
80 |
67 |
62 |
29 |
0 |
0 |
| VODI |
120 |
508 |
117 |
155 |
170 |
132 |
9 |
0 |
| ODI |
52 |
173 |
71 |
184 |
180 |
388 |
23 |
0 |
| CDI |
0 |
27 |
29 |
128 |
239 |
672 |
116 |
0 |
| VCDI |
0 |
13 |
38 |
116 |
486 |
4303 |
14193 |
10639 |
|
Date: 2022-11-09:
| 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 |
3581 |
8062 |
842 |
89 |
42 |
27 |
0 |
0 |
| OW |
54 |
394 |
156 |
120 |
37 |
27 |
0 |
0 |
| VODI |
31 |
147 |
80 |
180 |
135 |
22 |
30 |
0 |
| ODI |
17 |
46 |
33 |
98 |
273 |
75 |
36 |
0 |
| CDI |
5 |
22 |
39 |
127 |
363 |
445 |
37 |
0 |
| VCDI |
0 |
9 |
18 |
78 |
414 |
4916 |
11772 |
12987 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3591 |
7360 |
744 |
63 |
34 |
26 |
0 |
0 |
| OW |
60 |
320 |
70 |
46 |
44 |
36 |
5 |
0 |
| VODI |
21 |
323 |
101 |
130 |
79 |
18 |
41 |
0 |
| ODI |
3 |
289 |
89 |
124 |
190 |
161 |
31 |
0 |
| CDI |
13 |
328 |
86 |
126 |
253 |
397 |
68 |
0 |
| VCDI |
0 |
60 |
78 |
203 |
664 |
4874 |
11730 |
12987 |
|
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 |
4314 |
6274 |
885 |
148 |
57 |
54 |
5 |
0 |
| OW |
9 |
293 |
239 |
202 |
68 |
14 |
13 |
0 |
| VODI |
9 |
217 |
190 |
208 |
178 |
29 |
30 |
0 |
| ODI |
0 |
114 |
62 |
141 |
214 |
98 |
41 |
0 |
| CDI |
4 |
47 |
8 |
56 |
297 |
390 |
60 |
0 |
| VCDI |
0 |
7 |
8 |
67 |
598 |
4145 |
15408 |
10665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4318 |
6060 |
828 |
148 |
100 |
57 |
8 |
0 |
| OW |
11 |
298 |
113 |
81 |
42 |
23 |
26 |
0 |
| VODI |
3 |
194 |
113 |
176 |
131 |
46 |
36 |
0 |
| ODI |
0 |
80 |
96 |
139 |
140 |
115 |
30 |
0 |
| CDI |
4 |
128 |
48 |
100 |
173 |
236 |
107 |
4 |
| VCDI |
0 |
192 |
194 |
178 |
826 |
4253 |
15350 |
10661 |
|
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