Validation of sea ice concentration - Full domain
Bulletin date: 2023-02-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-27:
| 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 |
55096 |
26031 |
5431 |
1052 |
181 |
21 |
9 |
0 |
| OW |
63 |
243 |
214 |
301 |
217 |
50 |
16 |
0 |
| VODI |
0 |
228 |
140 |
461 |
352 |
129 |
20 |
0 |
| ODI |
0 |
149 |
107 |
322 |
477 |
228 |
41 |
0 |
| CDI |
0 |
56 |
78 |
256 |
511 |
557 |
289 |
0 |
| VCDI |
0 |
104 |
91 |
453 |
1649 |
6991 |
29326 |
55108 |
|
...date precedes bulletin
|
Date: 2023-01-29:
| 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 |
56323 |
24803 |
5791 |
533 |
78 |
22 |
21 |
0 |
| OW |
63 |
254 |
227 |
381 |
141 |
28 |
10 |
0 |
| VODI |
0 |
203 |
181 |
337 |
280 |
81 |
10 |
0 |
| ODI |
0 |
108 |
95 |
293 |
501 |
218 |
45 |
0 |
| CDI |
0 |
124 |
98 |
233 |
614 |
425 |
105 |
7 |
| VCDI |
0 |
121 |
153 |
562 |
1408 |
6711 |
32349 |
53111 |
|
...date precedes bulletin
|
Date: 2023-01-31:
| 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 |
57839 |
24152 |
4830 |
484 |
106 |
20 |
0 |
0 |
| OW |
74 |
254 |
245 |
312 |
145 |
32 |
1 |
0 |
| VODI |
0 |
167 |
174 |
363 |
296 |
97 |
7 |
0 |
| ODI |
0 |
106 |
160 |
269 |
367 |
287 |
42 |
0 |
| CDI |
0 |
70 |
134 |
229 |
496 |
728 |
145 |
8 |
| VCDI |
0 |
26 |
117 |
377 |
1207 |
5550 |
36585 |
50547 |
|
...date precedes bulletin
|
Date: 2023-02-02:
| 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 |
53700 |
27913 |
4689 |
550 |
142 |
6 |
1 |
0 |
| OW |
60 |
212 |
293 |
294 |
209 |
24 |
6 |
0 |
| VODI |
0 |
170 |
135 |
315 |
339 |
105 |
2 |
0 |
| ODI |
0 |
109 |
49 |
190 |
342 |
234 |
19 |
0 |
| CDI |
0 |
77 |
86 |
136 |
545 |
580 |
119 |
0 |
| VCDI |
0 |
47 |
151 |
379 |
1267 |
5631 |
37402 |
50520 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53700 |
27926 |
4706 |
592 |
161 |
12 |
5 |
0 |
| OW |
60 |
201 |
273 |
254 |
196 |
19 |
2 |
0 |
| VODI |
0 |
157 |
137 |
312 |
310 |
113 |
1 |
0 |
| ODI |
0 |
129 |
54 |
188 |
350 |
213 |
22 |
0 |
| CDI |
0 |
66 |
82 |
143 |
500 |
583 |
127 |
0 |
| VCDI |
0 |
49 |
151 |
375 |
1327 |
5640 |
37392 |
50520 |
|
Date: 2023-02-04:
| 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 |
54586 |
23356 |
8301 |
550 |
188 |
29 |
26 |
0 |
| OW |
51 |
400 |
210 |
309 |
136 |
51 |
6 |
0 |
| VODI |
0 |
262 |
165 |
284 |
258 |
112 |
2 |
0 |
| ODI |
0 |
138 |
78 |
181 |
357 |
175 |
15 |
0 |
| CDI |
0 |
47 |
84 |
172 |
409 |
456 |
145 |
0 |
| VCDI |
0 |
6 |
60 |
377 |
805 |
4922 |
36862 |
52477 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54586 |
23375 |
8282 |
565 |
183 |
32 |
26 |
0 |
| OW |
51 |
374 |
236 |
298 |
134 |
48 |
6 |
0 |
| VODI |
0 |
258 |
151 |
287 |
239 |
104 |
3 |
0 |
| ODI |
0 |
145 |
86 |
167 |
366 |
174 |
23 |
0 |
| CDI |
0 |
48 |
83 |
179 |
405 |
454 |
162 |
0 |
| VCDI |
0 |
9 |
60 |
377 |
826 |
4933 |
36836 |
52477 |
|
Date: 2023-02-06:
| 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 |
52282 |
29352 |
4845 |
657 |
157 |
19 |
34 |
0 |
| OW |
75 |
371 |
231 |
333 |
131 |
14 |
6 |
0 |
| VODI |
0 |
168 |
175 |
380 |
381 |
46 |
6 |
0 |
| ODI |
0 |
57 |
87 |
175 |
467 |
148 |
18 |
0 |
| CDI |
0 |
11 |
84 |
163 |
414 |
435 |
192 |
0 |
| VCDI |
0 |
7 |
21 |
163 |
731 |
6406 |
34936 |
52870 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52297 |
28930 |
4755 |
673 |
179 |
24 |
38 |
0 |
| OW |
60 |
475 |
188 |
275 |
153 |
31 |
5 |
0 |
| VODI |
0 |
311 |
156 |
289 |
314 |
76 |
16 |
0 |
| ODI |
0 |
146 |
107 |
162 |
352 |
159 |
57 |
0 |
| CDI |
0 |
81 |
100 |
141 |
362 |
435 |
334 |
0 |
| VCDI |
0 |
23 |
137 |
331 |
921 |
6343 |
34742 |
52870 |
|
Date: 2023-02-08:
| 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 |
51367 |
24444 |
9983 |
891 |
174 |
47 |
6 |
0 |
| OW |
52 |
303 |
343 |
326 |
203 |
26 |
0 |
0 |
| VODI |
0 |
164 |
207 |
408 |
330 |
73 |
6 |
0 |
| ODI |
0 |
86 |
101 |
240 |
425 |
139 |
39 |
0 |
| CDI |
0 |
56 |
98 |
195 |
722 |
479 |
207 |
0 |
| VCDI |
0 |
112 |
337 |
608 |
1628 |
6895 |
30644 |
54684 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
51367 |
24211 |
9773 |
871 |
209 |
49 |
6 |
0 |
| OW |
52 |
352 |
288 |
318 |
195 |
49 |
1 |
0 |
| VODI |
0 |
215 |
246 |
279 |
324 |
119 |
29 |
0 |
| ODI |
0 |
129 |
158 |
205 |
307 |
156 |
81 |
0 |
| CDI |
0 |
72 |
151 |
188 |
585 |
482 |
141 |
0 |
| VCDI |
0 |
186 |
453 |
807 |
1862 |
6804 |
30644 |
54684 |
|
Date: 2023-02-10:
| 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 |
53776 |
25212 |
7035 |
518 |
88 |
5 |
0 |
0 |
| OW |
59 |
537 |
173 |
290 |
190 |
21 |
0 |
0 |
| VODI |
2 |
345 |
229 |
303 |
287 |
72 |
1 |
0 |
| ODI |
0 |
162 |
103 |
261 |
357 |
148 |
17 |
0 |
| CDI |
0 |
142 |
94 |
224 |
502 |
512 |
144 |
0 |
| VCDI |
0 |
321 |
684 |
890 |
1902 |
8331 |
29857 |
53254 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53769 |
24847 |
7028 |
611 |
155 |
16 |
2 |
0 |
| OW |
66 |
520 |
142 |
245 |
215 |
36 |
5 |
0 |
| VODI |
2 |
359 |
120 |
236 |
294 |
110 |
17 |
0 |
| ODI |
0 |
216 |
101 |
120 |
252 |
202 |
41 |
0 |
| CDI |
0 |
175 |
107 |
153 |
321 |
367 |
127 |
2 |
| VCDI |
0 |
602 |
820 |
1121 |
2089 |
8358 |
29827 |
53252 |
|
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