Validation of sea ice concentration - Full domain
Bulletin date: 2023-01-26
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-01-20:
| 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 |
55932 |
25026 |
6758 |
223 |
80 |
27 |
25 |
0 |
| OW |
74 |
589 |
309 |
230 |
63 |
23 |
11 |
0 |
| VODI |
0 |
399 |
269 |
402 |
198 |
62 |
12 |
0 |
| ODI |
0 |
177 |
133 |
293 |
236 |
131 |
18 |
0 |
| CDI |
0 |
128 |
116 |
294 |
312 |
328 |
136 |
7 |
| VCDI |
0 |
196 |
297 |
668 |
1497 |
5208 |
30514 |
55647 |
|
...date precedes bulletin
|
Date: 2023-01-22:
| 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 |
59018 |
24260 |
3988 |
336 |
105 |
11 |
0 |
0 |
| OW |
73 |
552 |
305 |
382 |
139 |
41 |
0 |
0 |
| VODI |
0 |
423 |
247 |
481 |
360 |
111 |
5 |
0 |
| ODI |
0 |
252 |
123 |
281 |
291 |
144 |
6 |
0 |
| CDI |
0 |
196 |
109 |
286 |
359 |
387 |
120 |
0 |
| VCDI |
0 |
330 |
226 |
663 |
1479 |
5676 |
31595 |
53688 |
|
...date precedes bulletin
|
Date: 2023-01-24:
| 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 |
53750 |
26218 |
7585 |
734 |
125 |
8 |
0 |
0 |
| OW |
62 |
350 |
203 |
378 |
146 |
25 |
0 |
0 |
| VODI |
0 |
280 |
141 |
547 |
551 |
65 |
1 |
0 |
| ODI |
0 |
154 |
96 |
277 |
504 |
179 |
0 |
0 |
| CDI |
0 |
111 |
118 |
327 |
495 |
606 |
145 |
1 |
| VCDI |
0 |
209 |
179 |
597 |
1432 |
7228 |
30984 |
52237 |
|
...date precedes bulletin
|
Date: 2023-01-26:
| 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 |
54605 |
25851 |
6796 |
618 |
105 |
13 |
2 |
0 |
| OW |
73 |
242 |
223 |
378 |
190 |
23 |
6 |
0 |
| VODI |
0 |
299 |
166 |
472 |
495 |
71 |
18 |
0 |
| ODI |
0 |
136 |
102 |
305 |
561 |
181 |
17 |
0 |
| CDI |
0 |
66 |
78 |
295 |
550 |
556 |
183 |
0 |
| VCDI |
0 |
120 |
124 |
661 |
1602 |
7515 |
31971 |
51379 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54604 |
25851 |
6807 |
643 |
119 |
14 |
5 |
0 |
| OW |
74 |
225 |
200 |
324 |
176 |
24 |
7 |
0 |
| VODI |
0 |
255 |
172 |
468 |
455 |
75 |
17 |
0 |
| ODI |
0 |
167 |
99 |
326 |
562 |
183 |
18 |
0 |
| CDI |
0 |
100 |
86 |
295 |
553 |
522 |
191 |
3 |
| VCDI |
0 |
116 |
125 |
673 |
1638 |
7541 |
31959 |
51376 |
|
Date: 2023-01-28:
| 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 |
53102 |
27455 |
6331 |
602 |
191 |
22 |
9 |
0 |
| OW |
69 |
253 |
176 |
314 |
224 |
59 |
5 |
0 |
| VODI |
0 |
218 |
111 |
348 |
394 |
108 |
11 |
0 |
| ODI |
0 |
156 |
103 |
243 |
468 |
258 |
43 |
0 |
| CDI |
0 |
104 |
81 |
182 |
550 |
559 |
138 |
6 |
| VCDI |
0 |
113 |
160 |
518 |
1459 |
7868 |
33782 |
50255 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53102 |
27457 |
6350 |
614 |
153 |
25 |
9 |
0 |
| OW |
69 |
235 |
155 |
288 |
260 |
48 |
3 |
0 |
| VODI |
0 |
199 |
107 |
344 |
352 |
115 |
15 |
0 |
| ODI |
0 |
148 |
91 |
253 |
456 |
242 |
40 |
0 |
| CDI |
0 |
113 |
92 |
182 |
560 |
564 |
129 |
7 |
| VCDI |
0 |
147 |
167 |
526 |
1505 |
7880 |
33792 |
50254 |
|
Date: 2023-01-30:
| 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 |
54926 |
25383 |
6777 |
445 |
75 |
6 |
4 |
0 |
| OW |
74 |
281 |
257 |
342 |
134 |
21 |
9 |
0 |
| VODI |
0 |
179 |
268 |
420 |
316 |
59 |
12 |
0 |
| ODI |
0 |
126 |
136 |
317 |
528 |
289 |
35 |
0 |
| CDI |
0 |
75 |
82 |
289 |
604 |
753 |
159 |
2 |
| VCDI |
0 |
37 |
64 |
210 |
1013 |
5658 |
31297 |
55386 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54924 |
25168 |
6718 |
449 |
114 |
17 |
16 |
0 |
| OW |
76 |
274 |
210 |
252 |
143 |
31 |
8 |
0 |
| VODI |
0 |
214 |
167 |
309 |
241 |
111 |
23 |
0 |
| ODI |
0 |
127 |
113 |
221 |
305 |
322 |
50 |
0 |
| CDI |
0 |
79 |
102 |
203 |
422 |
533 |
167 |
8 |
| VCDI |
0 |
219 |
274 |
589 |
1445 |
5772 |
31252 |
55380 |
|
Date: 2023-02-01:
| 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 |
53123 |
27492 |
5985 |
460 |
98 |
14 |
3 |
0 |
| OW |
76 |
220 |
251 |
324 |
185 |
27 |
3 |
0 |
| VODI |
0 |
150 |
146 |
358 |
328 |
106 |
7 |
0 |
| ODI |
0 |
83 |
100 |
227 |
327 |
261 |
25 |
0 |
| CDI |
0 |
75 |
126 |
191 |
450 |
736 |
147 |
1 |
| VCDI |
0 |
67 |
121 |
421 |
1273 |
5161 |
36210 |
51690 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53139 |
27258 |
5898 |
510 |
174 |
30 |
4 |
0 |
| OW |
60 |
292 |
230 |
250 |
184 |
54 |
1 |
0 |
| VODI |
0 |
196 |
149 |
259 |
238 |
139 |
11 |
0 |
| ODI |
0 |
113 |
99 |
215 |
270 |
346 |
49 |
0 |
| CDI |
0 |
83 |
102 |
179 |
367 |
553 |
151 |
3 |
| VCDI |
0 |
145 |
251 |
568 |
1428 |
5183 |
36179 |
51688 |
|
Date: 2023-02-03:
| 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 |
58057 |
24260 |
3703 |
672 |
177 |
23 |
14 |
0 |
| OW |
60 |
262 |
240 |
281 |
231 |
51 |
5 |
0 |
| VODI |
0 |
176 |
174 |
305 |
277 |
157 |
1 |
0 |
| ODI |
0 |
97 |
71 |
168 |
301 |
245 |
12 |
0 |
| CDI |
0 |
59 |
89 |
144 |
385 |
598 |
141 |
5 |
| VCDI |
0 |
6 |
99 |
407 |
1118 |
4800 |
33194 |
55983 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58057 |
24037 |
3643 |
776 |
324 |
103 |
14 |
0 |
| OW |
60 |
346 |
225 |
186 |
193 |
69 |
8 |
0 |
| VODI |
0 |
210 |
184 |
206 |
290 |
161 |
10 |
0 |
| ODI |
0 |
140 |
112 |
173 |
277 |
249 |
35 |
0 |
| CDI |
0 |
88 |
91 |
160 |
270 |
558 |
173 |
0 |
| VCDI |
0 |
39 |
121 |
476 |
1135 |
4734 |
33127 |
55988 |
|
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