Validation of sea ice concentration - Full domain
Bulletin date: 2024-02-22
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-16:
| 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 |
66431 |
17311 |
373 |
436 |
167 |
108 |
44 |
0 |
| OW |
57 |
822 |
143 |
353 |
159 |
74 |
6 |
0 |
| VODI |
0 |
694 |
139 |
333 |
308 |
161 |
23 |
0 |
| ODI |
0 |
371 |
62 |
211 |
269 |
259 |
48 |
0 |
| CDI |
0 |
265 |
98 |
211 |
284 |
474 |
271 |
0 |
| VCDI |
0 |
258 |
127 |
592 |
1168 |
5297 |
31679 |
56962 |
|
...date precedes bulletin
|
Date: 2024-02-18:
| 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 |
65318 |
17763 |
449 |
611 |
196 |
68 |
31 |
0 |
| OW |
52 |
819 |
201 |
436 |
200 |
44 |
8 |
0 |
| VODI |
0 |
485 |
169 |
461 |
340 |
132 |
21 |
0 |
| ODI |
0 |
278 |
71 |
315 |
386 |
255 |
53 |
0 |
| CDI |
0 |
238 |
71 |
270 |
373 |
522 |
235 |
16 |
| VCDI |
0 |
277 |
135 |
513 |
1222 |
5228 |
31086 |
57700 |
|
...date precedes bulletin
|
Date: 2024-02-20:
| 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 |
63962 |
19222 |
660 |
632 |
206 |
37 |
26 |
0 |
| OW |
52 |
416 |
207 |
438 |
208 |
38 |
9 |
0 |
| VODI |
0 |
267 |
109 |
568 |
535 |
126 |
7 |
0 |
| ODI |
0 |
141 |
71 |
202 |
635 |
319 |
48 |
0 |
| CDI |
0 |
59 |
31 |
179 |
645 |
974 |
413 |
25 |
| VCDI |
0 |
84 |
65 |
269 |
1285 |
6478 |
28297 |
59103 |
|
...date precedes bulletin
|
Date: 2024-02-22:
| 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 |
65916 |
16977 |
447 |
711 |
383 |
91 |
64 |
0 |
| OW |
53 |
455 |
158 |
333 |
281 |
57 |
14 |
0 |
| VODI |
0 |
253 |
90 |
299 |
519 |
185 |
42 |
0 |
| ODI |
0 |
155 |
52 |
172 |
442 |
304 |
137 |
0 |
| CDI |
0 |
113 |
72 |
213 |
693 |
674 |
433 |
9 |
| VCDI |
0 |
101 |
79 |
292 |
1320 |
5913 |
31881 |
56665 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
65916 |
17065 |
468 |
720 |
402 |
88 |
57 |
0 |
| OW |
53 |
364 |
141 |
324 |
284 |
61 |
21 |
0 |
| VODI |
0 |
251 |
83 |
300 |
494 |
161 |
44 |
0 |
| ODI |
0 |
154 |
49 |
164 |
427 |
317 |
125 |
0 |
| CDI |
0 |
120 |
74 |
207 |
670 |
645 |
430 |
10 |
| VCDI |
0 |
100 |
83 |
305 |
1361 |
5952 |
31894 |
56664 |
|
Date: 2024-02-24:
| 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 |
66385 |
16530 |
361 |
690 |
279 |
126 |
59 |
0 |
| OW |
53 |
659 |
147 |
322 |
166 |
92 |
24 |
0 |
| VODI |
0 |
409 |
137 |
414 |
304 |
166 |
71 |
0 |
| ODI |
0 |
238 |
55 |
306 |
398 |
245 |
136 |
0 |
| CDI |
0 |
189 |
83 |
179 |
507 |
429 |
378 |
0 |
| VCDI |
0 |
137 |
101 |
377 |
1183 |
5395 |
30366 |
58952 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
66385 |
16639 |
391 |
728 |
293 |
140 |
57 |
0 |
| OW |
53 |
578 |
132 |
337 |
161 |
75 |
26 |
0 |
| VODI |
0 |
381 |
118 |
365 |
275 |
157 |
72 |
0 |
| ODI |
0 |
226 |
61 |
289 |
375 |
227 |
122 |
0 |
| CDI |
0 |
191 |
78 |
185 |
466 |
436 |
355 |
0 |
| VCDI |
0 |
147 |
104 |
384 |
1267 |
5418 |
30402 |
58952 |
|
Date: 2024-02-26:
| 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 |
65488 |
17497 |
371 |
641 |
303 |
158 |
81 |
0 |
| OW |
62 |
667 |
199 |
384 |
167 |
69 |
13 |
0 |
| VODI |
0 |
350 |
101 |
561 |
457 |
177 |
41 |
0 |
| ODI |
0 |
112 |
50 |
226 |
639 |
363 |
89 |
4 |
| CDI |
0 |
105 |
37 |
145 |
578 |
1300 |
534 |
4 |
| VCDI |
0 |
178 |
50 |
172 |
741 |
5991 |
30504 |
57439 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
42984 |
11420 |
277 |
502 |
292 |
141 |
51 |
0 |
| OW |
39 |
320 |
72 |
190 |
127 |
87 |
20 |
0 |
| VODI |
0 |
203 |
66 |
211 |
240 |
145 |
59 |
0 |
| ODI |
22527 |
6541 |
291 |
879 |
1250 |
2983 |
10877 |
19660 |
| CDI |
0 |
136 |
30 |
100 |
233 |
382 |
221 |
15 |
| VCDI |
0 |
289 |
72 |
247 |
743 |
4320 |
20034 |
37772 |
|
Date: 2024-02-28:
| 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 |
64904 |
17680 |
387 |
702 |
429 |
178 |
67 |
0 |
| OW |
52 |
644 |
171 |
377 |
228 |
77 |
13 |
0 |
| VODI |
0 |
393 |
107 |
506 |
422 |
200 |
39 |
0 |
| ODI |
0 |
243 |
72 |
220 |
461 |
348 |
109 |
0 |
| CDI |
0 |
175 |
63 |
168 |
455 |
859 |
556 |
37 |
| VCDI |
0 |
165 |
79 |
266 |
765 |
6643 |
34268 |
53520 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
34936 |
9257 |
296 |
586 |
442 |
1044 |
6217 |
3196 |
| OW |
179 |
239 |
48 |
139 |
122 |
95 |
15 |
75 |
| VODI |
151 |
169 |
29 |
169 |
213 |
128 |
63 |
184 |
| ODI |
17799 |
5305 |
247 |
762 |
997 |
2570 |
9526 |
17015 |
| CDI |
285 |
116 |
40 |
91 |
171 |
271 |
243 |
267 |
| VCDI |
11606 |
4214 |
219 |
492 |
815 |
4197 |
18988 |
32820 |
|
Date: 2024-03-01:
| 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 |
66009 |
17183 |
423 |
558 |
245 |
169 |
65 |
0 |
| OW |
53 |
923 |
138 |
388 |
164 |
72 |
1 |
0 |
| VODI |
0 |
532 |
160 |
382 |
374 |
167 |
29 |
0 |
| ODI |
0 |
288 |
78 |
184 |
503 |
265 |
95 |
0 |
| CDI |
0 |
172 |
78 |
240 |
459 |
695 |
440 |
9 |
| VCDI |
0 |
273 |
91 |
378 |
1240 |
7991 |
32170 |
53364 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
35542 |
9044 |
298 |
458 |
337 |
1384 |
6474 |
2486 |
| OW |
163 |
302 |
51 |
137 |
93 |
59 |
16 |
76 |
| VODI |
157 |
245 |
70 |
165 |
177 |
83 |
31 |
177 |
| ODI |
18107 |
5362 |
317 |
764 |
1075 |
2576 |
8776 |
17222 |
| CDI |
284 |
154 |
29 |
103 |
250 |
242 |
158 |
292 |
| VCDI |
11809 |
4264 |
203 |
503 |
1053 |
5015 |
17345 |
33120 |
|
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