Validation of sea ice concentration - European sector
Bulletin date: 2022-03-31
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-03-25:
| 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 |
57985 |
20510 |
3483 |
853 |
452 |
211 |
16 |
0 |
| OW |
52 |
295 |
264 |
460 |
323 |
177 |
13 |
0 |
| VODI |
0 |
212 |
94 |
449 |
591 |
262 |
30 |
0 |
| ODI |
0 |
69 |
56 |
227 |
465 |
479 |
74 |
0 |
| CDI |
0 |
4 |
35 |
135 |
460 |
860 |
355 |
0 |
| VCDI |
0 |
92 |
130 |
303 |
622 |
4860 |
9384 |
3758 |
|
...date precedes bulletin
|
Date: 2022-03-27:
| 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 |
59157 |
20141 |
2566 |
905 |
505 |
260 |
73 |
0 |
| OW |
53 |
308 |
266 |
362 |
320 |
210 |
53 |
0 |
| VODI |
0 |
200 |
156 |
299 |
446 |
346 |
142 |
0 |
| ODI |
0 |
77 |
71 |
206 |
385 |
468 |
227 |
0 |
| CDI |
0 |
5 |
54 |
170 |
356 |
609 |
411 |
0 |
| VCDI |
0 |
37 |
110 |
305 |
728 |
3834 |
10178 |
4101 |
|
...date precedes bulletin
|
Date: 2022-03-29:
| 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 |
60121 |
18343 |
3945 |
762 |
249 |
115 |
80 |
0 |
| OW |
52 |
238 |
353 |
533 |
232 |
88 |
53 |
0 |
| VODI |
0 |
92 |
177 |
492 |
566 |
176 |
65 |
0 |
| ODI |
0 |
38 |
53 |
226 |
497 |
411 |
283 |
0 |
| CDI |
0 |
0 |
11 |
137 |
427 |
739 |
671 |
0 |
| VCDI |
0 |
8 |
88 |
212 |
634 |
3032 |
9525 |
5376 |
|
...date precedes bulletin
|
Date: 2022-03-31:
| 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 |
61627 |
18550 |
2300 |
798 |
272 |
103 |
91 |
0 |
| OW |
52 |
287 |
292 |
527 |
361 |
82 |
51 |
0 |
| VODI |
0 |
91 |
195 |
349 |
449 |
218 |
99 |
0 |
| ODI |
0 |
26 |
56 |
240 |
340 |
393 |
294 |
0 |
| CDI |
0 |
6 |
9 |
133 |
426 |
721 |
688 |
0 |
| VCDI |
0 |
1 |
6 |
188 |
816 |
2562 |
8609 |
6792 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61627 |
18550 |
2335 |
983 |
434 |
113 |
96 |
0 |
| OW |
52 |
286 |
264 |
353 |
243 |
89 |
50 |
0 |
| VODI |
0 |
89 |
187 |
364 |
408 |
225 |
86 |
0 |
| ODI |
0 |
30 |
52 |
220 |
362 |
369 |
241 |
0 |
| CDI |
0 |
5 |
14 |
118 |
373 |
666 |
728 |
0 |
| VCDI |
0 |
1 |
6 |
197 |
844 |
2617 |
8631 |
6792 |
|
Date: 2022-04-02:
| 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 |
58040 |
22573 |
1907 |
928 |
309 |
144 |
98 |
0 |
| OW |
52 |
346 |
236 |
373 |
367 |
116 |
41 |
0 |
| VODI |
0 |
151 |
190 |
285 |
398 |
276 |
109 |
0 |
| ODI |
0 |
61 |
71 |
238 |
252 |
405 |
270 |
0 |
| CDI |
0 |
15 |
17 |
122 |
322 |
637 |
558 |
0 |
| VCDI |
0 |
0 |
1 |
120 |
629 |
3116 |
10405 |
4922 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58040 |
22577 |
1927 |
1007 |
482 |
171 |
100 |
0 |
| OW |
52 |
335 |
224 |
274 |
239 |
96 |
34 |
0 |
| VODI |
0 |
155 |
192 |
304 |
345 |
293 |
83 |
0 |
| ODI |
0 |
68 |
58 |
247 |
254 |
348 |
278 |
0 |
| CDI |
0 |
11 |
20 |
107 |
299 |
621 |
557 |
0 |
| VCDI |
0 |
0 |
1 |
127 |
658 |
3165 |
10429 |
4922 |
|
Date: 2022-04-04:
| 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 |
59838 |
20961 |
2288 |
667 |
137 |
83 |
75 |
0 |
| OW |
52 |
273 |
355 |
407 |
258 |
67 |
34 |
0 |
| VODI |
0 |
111 |
188 |
381 |
364 |
151 |
43 |
0 |
| ODI |
0 |
97 |
52 |
279 |
452 |
438 |
92 |
0 |
| CDI |
0 |
12 |
6 |
81 |
405 |
889 |
582 |
0 |
| VCDI |
0 |
0 |
1 |
54 |
323 |
2544 |
10231 |
5829 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
59838 |
20908 |
2228 |
810 |
308 |
132 |
109 |
0 |
| OW |
52 |
292 |
287 |
269 |
246 |
109 |
47 |
0 |
| VODI |
0 |
127 |
247 |
289 |
298 |
279 |
106 |
0 |
| ODI |
0 |
107 |
96 |
216 |
210 |
286 |
250 |
0 |
| CDI |
0 |
18 |
29 |
188 |
340 |
473 |
549 |
0 |
| VCDI |
0 |
2 |
3 |
97 |
537 |
2893 |
9996 |
5829 |
|
Date: 2022-04-06:
| 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 |
63359 |
18771 |
1149 |
667 |
239 |
71 |
99 |
0 |
| OW |
52 |
240 |
206 |
371 |
261 |
95 |
36 |
0 |
| VODI |
0 |
124 |
151 |
297 |
404 |
199 |
65 |
0 |
| ODI |
0 |
28 |
65 |
261 |
375 |
372 |
174 |
0 |
| CDI |
0 |
5 |
15 |
104 |
438 |
1051 |
523 |
0 |
| VCDI |
0 |
2 |
7 |
79 |
412 |
2341 |
10743 |
5249 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63359 |
18474 |
1029 |
680 |
341 |
141 |
145 |
0 |
| OW |
52 |
379 |
224 |
287 |
242 |
108 |
76 |
0 |
| VODI |
0 |
223 |
155 |
278 |
348 |
243 |
155 |
0 |
| ODI |
0 |
82 |
94 |
189 |
269 |
390 |
210 |
0 |
| CDI |
0 |
9 |
78 |
207 |
401 |
695 |
458 |
0 |
| VCDI |
0 |
3 |
13 |
138 |
528 |
2552 |
10596 |
5249 |
|
Date: 2022-04-08:
| 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 |
64383 |
17321 |
1218 |
759 |
303 |
93 |
101 |
0 |
| OW |
61 |
285 |
185 |
360 |
253 |
108 |
63 |
0 |
| VODI |
0 |
134 |
169 |
269 |
416 |
189 |
111 |
0 |
| ODI |
0 |
34 |
68 |
201 |
378 |
443 |
150 |
0 |
| CDI |
0 |
4 |
18 |
158 |
451 |
768 |
472 |
0 |
| VCDI |
0 |
0 |
0 |
74 |
560 |
2347 |
9869 |
6324 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64383 |
17155 |
1168 |
736 |
385 |
141 |
146 |
0 |
| OW |
61 |
346 |
179 |
270 |
271 |
140 |
93 |
0 |
| VODI |
0 |
169 |
149 |
271 |
320 |
280 |
181 |
0 |
| ODI |
0 |
86 |
84 |
204 |
297 |
382 |
225 |
0 |
| CDI |
0 |
22 |
65 |
214 |
449 |
566 |
462 |
0 |
| VCDI |
0 |
0 |
13 |
126 |
639 |
2439 |
9659 |
6324 |
|
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