Validation of sea ice concentration - Full domain
Bulletin date: 2023-03-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-24:
| 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 |
52023 |
26212 |
6355 |
754 |
191 |
17 |
7 |
0 |
| OW |
52 |
378 |
259 |
290 |
166 |
18 |
2 |
0 |
| VODI |
0 |
219 |
230 |
350 |
297 |
63 |
35 |
0 |
| ODI |
0 |
97 |
113 |
332 |
355 |
122 |
38 |
0 |
| CDI |
0 |
90 |
65 |
256 |
662 |
545 |
277 |
1 |
| VCDI |
0 |
166 |
126 |
414 |
1834 |
7759 |
39993 |
45885 |
|
...date precedes bulletin
|
Date: 2023-02-26:
| 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 |
53466 |
25389 |
5471 |
641 |
220 |
43 |
25 |
0 |
| OW |
52 |
416 |
249 |
361 |
190 |
32 |
5 |
0 |
| VODI |
0 |
257 |
181 |
369 |
306 |
122 |
11 |
0 |
| ODI |
0 |
111 |
136 |
256 |
332 |
188 |
32 |
0 |
| CDI |
0 |
72 |
88 |
263 |
576 |
759 |
360 |
11 |
| VCDI |
0 |
192 |
267 |
524 |
1731 |
7073 |
38018 |
48253 |
|
...date precedes bulletin
|
Date: 2023-02-28:
| 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 |
54091 |
22521 |
7785 |
888 |
178 |
13 |
13 |
0 |
| OW |
52 |
448 |
280 |
318 |
200 |
37 |
7 |
0 |
| VODI |
0 |
284 |
168 |
424 |
324 |
97 |
16 |
0 |
| ODI |
0 |
100 |
50 |
266 |
452 |
200 |
19 |
0 |
| CDI |
0 |
100 |
47 |
160 |
768 |
840 |
236 |
8 |
| VCDI |
0 |
194 |
257 |
469 |
1648 |
6693 |
33346 |
53051 |
|
...date precedes bulletin
|
Date: 2023-03-02:
| 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 |
56246 |
20824 |
7093 |
796 |
126 |
15 |
23 |
0 |
| OW |
54 |
215 |
361 |
416 |
185 |
47 |
12 |
0 |
| VODI |
0 |
217 |
163 |
478 |
351 |
134 |
29 |
0 |
| ODI |
0 |
140 |
66 |
306 |
415 |
227 |
47 |
0 |
| CDI |
0 |
71 |
52 |
322 |
851 |
860 |
327 |
1 |
| VCDI |
0 |
82 |
150 |
497 |
1424 |
6258 |
36582 |
50585 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56245 |
20821 |
7102 |
809 |
130 |
23 |
24 |
0 |
| OW |
55 |
207 |
355 |
385 |
170 |
39 |
8 |
0 |
| VODI |
0 |
206 |
160 |
492 |
354 |
126 |
36 |
0 |
| ODI |
0 |
142 |
54 |
292 |
398 |
219 |
50 |
0 |
| CDI |
0 |
83 |
56 |
315 |
801 |
817 |
321 |
1 |
| VCDI |
0 |
90 |
158 |
522 |
1499 |
6317 |
36581 |
50585 |
|
Date: 2023-03-04:
| 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 |
56206 |
23344 |
4549 |
824 |
91 |
14 |
16 |
0 |
| OW |
52 |
219 |
354 |
400 |
150 |
42 |
11 |
0 |
| VODI |
0 |
131 |
182 |
485 |
268 |
128 |
40 |
0 |
| ODI |
0 |
88 |
43 |
395 |
352 |
211 |
61 |
0 |
| CDI |
0 |
161 |
27 |
261 |
732 |
832 |
368 |
1 |
| VCDI |
0 |
89 |
109 |
350 |
1372 |
6562 |
35126 |
52402 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56206 |
23339 |
4585 |
848 |
122 |
18 |
17 |
0 |
| OW |
52 |
224 |
331 |
364 |
121 |
38 |
11 |
0 |
| VODI |
0 |
131 |
170 |
493 |
255 |
119 |
49 |
0 |
| ODI |
0 |
93 |
40 |
389 |
358 |
206 |
57 |
0 |
| CDI |
0 |
159 |
24 |
246 |
653 |
752 |
342 |
0 |
| VCDI |
0 |
86 |
114 |
375 |
1456 |
6656 |
35146 |
52403 |
|
Date: 2023-03-06:
| 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 |
57484 |
22334 |
4455 |
466 |
64 |
16 |
28 |
0 |
| OW |
52 |
506 |
342 |
342 |
81 |
21 |
9 |
0 |
| VODI |
0 |
148 |
229 |
518 |
289 |
71 |
34 |
0 |
| ODI |
0 |
50 |
81 |
372 |
487 |
239 |
66 |
0 |
| CDI |
0 |
36 |
75 |
270 |
630 |
1386 |
412 |
3 |
| VCDI |
0 |
34 |
38 |
167 |
905 |
5549 |
37286 |
51473 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57484 |
22466 |
4561 |
510 |
112 |
44 |
43 |
0 |
| OW |
52 |
328 |
242 |
353 |
107 |
58 |
33 |
0 |
| VODI |
0 |
182 |
213 |
440 |
259 |
108 |
80 |
0 |
| ODI |
0 |
40 |
88 |
303 |
346 |
203 |
78 |
0 |
| CDI |
0 |
34 |
38 |
239 |
439 |
817 |
445 |
10 |
| VCDI |
0 |
58 |
78 |
290 |
1193 |
6052 |
37156 |
51466 |
|
Date: 2023-03-08:
| 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 |
60624 |
19790 |
3949 |
531 |
79 |
13 |
21 |
0 |
| OW |
52 |
360 |
276 |
409 |
158 |
12 |
6 |
0 |
| VODI |
0 |
176 |
161 |
419 |
347 |
81 |
14 |
0 |
| ODI |
0 |
70 |
83 |
261 |
401 |
182 |
35 |
0 |
| CDI |
0 |
38 |
83 |
208 |
600 |
745 |
269 |
3 |
| VCDI |
0 |
79 |
69 |
305 |
1103 |
7127 |
40297 |
47612 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60624 |
19822 |
4031 |
603 |
130 |
48 |
48 |
0 |
| OW |
52 |
346 |
206 |
435 |
182 |
47 |
37 |
0 |
| VODI |
0 |
187 |
136 |
379 |
389 |
193 |
74 |
0 |
| ODI |
0 |
43 |
86 |
211 |
361 |
228 |
127 |
0 |
| CDI |
0 |
27 |
68 |
159 |
449 |
574 |
316 |
10 |
| VCDI |
0 |
88 |
94 |
346 |
1177 |
7070 |
40040 |
47605 |
|
Date: 2023-03-10:
| 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 |
58667 |
19487 |
6385 |
452 |
75 |
12 |
17 |
0 |
| OW |
52 |
446 |
253 |
412 |
131 |
13 |
5 |
0 |
| VODI |
0 |
272 |
161 |
450 |
272 |
64 |
5 |
0 |
| ODI |
0 |
111 |
107 |
243 |
328 |
153 |
21 |
0 |
| CDI |
0 |
135 |
100 |
236 |
454 |
579 |
156 |
1 |
| VCDI |
0 |
144 |
195 |
529 |
1530 |
7441 |
38293 |
48661 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58667 |
19339 |
6435 |
567 |
158 |
30 |
21 |
0 |
| OW |
52 |
575 |
209 |
414 |
191 |
72 |
5 |
0 |
| VODI |
0 |
280 |
174 |
390 |
306 |
140 |
56 |
0 |
| ODI |
0 |
140 |
87 |
216 |
268 |
155 |
86 |
1 |
| CDI |
0 |
81 |
75 |
202 |
344 |
386 |
225 |
76 |
| VCDI |
0 |
180 |
221 |
533 |
1523 |
7479 |
38104 |
48585 |
|
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