Validation of sea ice concentration - European sector
Bulletin date: 2022-03-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-18:
| 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 |
60814 |
19037 |
1794 |
1308 |
628 |
241 |
117 |
0 |
| OW |
56 |
481 |
235 |
292 |
314 |
198 |
62 |
0 |
| VODI |
0 |
184 |
156 |
403 |
333 |
346 |
80 |
0 |
| ODI |
0 |
65 |
61 |
276 |
446 |
440 |
75 |
0 |
| CDI |
0 |
72 |
51 |
159 |
633 |
975 |
342 |
0 |
| VCDI |
0 |
263 |
202 |
236 |
1046 |
4464 |
10279 |
1936 |
|
...date precedes bulletin
|
Date: 2022-03-20:
| 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 |
58028 |
20808 |
2330 |
1185 |
780 |
362 |
137 |
0 |
| OW |
52 |
532 |
238 |
296 |
249 |
295 |
77 |
0 |
| VODI |
0 |
177 |
211 |
330 |
379 |
396 |
94 |
0 |
| ODI |
0 |
76 |
55 |
231 |
401 |
464 |
144 |
0 |
| CDI |
0 |
110 |
34 |
121 |
638 |
1318 |
485 |
0 |
| VCDI |
0 |
266 |
174 |
269 |
578 |
3895 |
10576 |
2309 |
|
...date precedes bulletin
|
Date: 2022-03-22:
| 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 |
54678 |
20471 |
7221 |
983 |
489 |
171 |
57 |
0 |
| OW |
59 |
193 |
393 |
359 |
306 |
90 |
27 |
0 |
| VODI |
0 |
87 |
189 |
435 |
476 |
235 |
18 |
0 |
| ODI |
0 |
50 |
74 |
272 |
496 |
402 |
118 |
0 |
| CDI |
0 |
106 |
70 |
149 |
624 |
1044 |
301 |
0 |
| VCDI |
0 |
182 |
190 |
244 |
775 |
4620 |
10096 |
2350 |
|
...date precedes bulletin
|
Date: 2022-03-24:
| 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 |
57751 |
20054 |
4436 |
838 |
400 |
177 |
40 |
0 |
| OW |
52 |
302 |
315 |
538 |
280 |
148 |
6 |
0 |
| VODI |
0 |
142 |
164 |
462 |
552 |
232 |
34 |
0 |
| ODI |
0 |
50 |
82 |
199 |
438 |
410 |
116 |
0 |
| CDI |
0 |
0 |
22 |
154 |
477 |
775 |
246 |
0 |
| VCDI |
0 |
171 |
153 |
268 |
643 |
5235 |
9243 |
3495 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57751 |
20085 |
4492 |
947 |
414 |
189 |
40 |
0 |
| OW |
52 |
270 |
271 |
455 |
328 |
135 |
3 |
0 |
| VODI |
0 |
140 |
159 |
451 |
558 |
237 |
30 |
0 |
| ODI |
0 |
51 |
77 |
184 |
411 |
429 |
88 |
0 |
| CDI |
0 |
2 |
20 |
157 |
458 |
744 |
282 |
0 |
| VCDI |
0 |
171 |
153 |
265 |
621 |
5243 |
9242 |
3495 |
|
Date: 2022-03-26:
| 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 |
61433 |
18325 |
2102 |
901 |
445 |
247 |
43 |
0 |
| OW |
53 |
304 |
253 |
410 |
351 |
184 |
27 |
0 |
| VODI |
0 |
149 |
148 |
308 |
599 |
310 |
62 |
0 |
| ODI |
0 |
45 |
70 |
229 |
483 |
529 |
110 |
0 |
| CDI |
0 |
0 |
32 |
146 |
438 |
844 |
441 |
0 |
| VCDI |
0 |
48 |
170 |
281 |
592 |
4155 |
8655 |
5178 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61433 |
18348 |
2143 |
964 |
482 |
263 |
47 |
0 |
| OW |
53 |
277 |
201 |
341 |
351 |
172 |
21 |
0 |
| VODI |
0 |
144 |
149 |
310 |
585 |
320 |
53 |
0 |
| ODI |
0 |
54 |
77 |
235 |
472 |
515 |
125 |
0 |
| CDI |
0 |
0 |
36 |
143 |
422 |
816 |
465 |
0 |
| VCDI |
0 |
48 |
169 |
282 |
596 |
4183 |
8627 |
5178 |
|
Date: 2022-03-28:
| 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 |
62323 |
17559 |
2229 |
695 |
304 |
129 |
67 |
0 |
| OW |
52 |
303 |
387 |
478 |
236 |
113 |
57 |
0 |
| VODI |
0 |
105 |
183 |
625 |
485 |
192 |
66 |
0 |
| ODI |
0 |
40 |
49 |
242 |
623 |
457 |
161 |
0 |
| CDI |
0 |
3 |
18 |
89 |
442 |
975 |
672 |
0 |
| VCDI |
0 |
17 |
90 |
135 |
521 |
3099 |
10072 |
4807 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62322 |
17497 |
2287 |
953 |
522 |
250 |
122 |
0 |
| OW |
53 |
249 |
268 |
334 |
254 |
163 |
85 |
0 |
| VODI |
0 |
138 |
179 |
362 |
345 |
292 |
161 |
0 |
| ODI |
0 |
102 |
66 |
240 |
359 |
310 |
260 |
0 |
| CDI |
0 |
24 |
51 |
176 |
383 |
595 |
429 |
0 |
| VCDI |
0 |
17 |
105 |
199 |
748 |
3355 |
10038 |
4807 |
|
Date: 2022-03-30:
| 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 |
58085 |
20495 |
3856 |
821 |
273 |
94 |
80 |
0 |
| OW |
52 |
279 |
341 |
545 |
273 |
90 |
56 |
0 |
| VODI |
0 |
82 |
213 |
394 |
538 |
165 |
97 |
0 |
| ODI |
0 |
32 |
69 |
239 |
393 |
389 |
245 |
0 |
| CDI |
0 |
3 |
12 |
115 |
484 |
679 |
658 |
0 |
| VCDI |
0 |
2 |
72 |
244 |
746 |
2687 |
9281 |
5921 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58085 |
20348 |
3896 |
925 |
513 |
210 |
211 |
0 |
| OW |
52 |
301 |
257 |
296 |
226 |
119 |
121 |
0 |
| VODI |
0 |
162 |
175 |
409 |
355 |
228 |
188 |
0 |
| ODI |
0 |
71 |
119 |
233 |
357 |
320 |
207 |
0 |
| CDI |
0 |
9 |
39 |
219 |
400 |
519 |
464 |
0 |
| VCDI |
0 |
2 |
77 |
276 |
856 |
2708 |
9226 |
5921 |
|
Date: 2022-04-01:
| 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 |
59497 |
21217 |
1908 |
774 |
256 |
132 |
93 |
0 |
| OW |
52 |
315 |
273 |
450 |
336 |
81 |
42 |
0 |
| VODI |
0 |
117 |
187 |
349 |
433 |
244 |
97 |
0 |
| ODI |
0 |
43 |
57 |
222 |
335 |
431 |
253 |
0 |
| CDI |
0 |
13 |
17 |
97 |
410 |
704 |
586 |
0 |
| VCDI |
0 |
0 |
0 |
105 |
691 |
2857 |
9192 |
6234 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59497 |
20977 |
1840 |
786 |
592 |
357 |
228 |
0 |
| OW |
52 |
350 |
223 |
312 |
232 |
168 |
85 |
0 |
| VODI |
0 |
224 |
196 |
351 |
318 |
273 |
180 |
0 |
| ODI |
0 |
118 |
117 |
257 |
269 |
283 |
256 |
0 |
| CDI |
0 |
36 |
64 |
178 |
388 |
599 |
579 |
0 |
| VCDI |
0 |
0 |
2 |
113 |
662 |
2769 |
8935 |
6234 |
|
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