Validation of sea ice concentration - European sector
Bulletin date: 2023-02-09
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
23973 |
3661 |
667 |
175 |
23 |
14 |
0 |
| OW |
60 |
225 |
219 |
279 |
231 |
51 |
5 |
0 |
| VODI |
0 |
159 |
146 |
282 |
259 |
157 |
1 |
0 |
| ODI |
0 |
92 |
47 |
150 |
248 |
221 |
9 |
0 |
| CDI |
0 |
52 |
55 |
131 |
301 |
452 |
65 |
0 |
| VCDI |
0 |
6 |
45 |
224 |
837 |
3099 |
9880 |
4542 |
|
...date precedes bulletin
|
Date: 2023-02-05:
| 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 |
52273 |
26562 |
7175 |
423 |
161 |
46 |
19 |
0 |
| OW |
51 |
405 |
251 |
231 |
129 |
55 |
4 |
0 |
| VODI |
0 |
218 |
161 |
369 |
185 |
132 |
13 |
0 |
| ODI |
0 |
114 |
86 |
230 |
213 |
185 |
37 |
0 |
| CDI |
0 |
43 |
79 |
129 |
376 |
303 |
161 |
0 |
| VCDI |
0 |
3 |
75 |
155 |
452 |
3901 |
11977 |
1718 |
|
...date precedes bulletin
|
Date: 2023-02-07:
| 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 |
51939 |
25035 |
8919 |
666 |
163 |
37 |
18 |
0 |
| OW |
73 |
188 |
368 |
359 |
158 |
12 |
2 |
0 |
| VODI |
0 |
77 |
232 |
417 |
296 |
49 |
8 |
0 |
| ODI |
0 |
28 |
108 |
242 |
374 |
115 |
23 |
0 |
| CDI |
0 |
16 |
78 |
192 |
402 |
461 |
178 |
0 |
| VCDI |
0 |
22 |
59 |
355 |
1014 |
4839 |
9853 |
1725 |
|
...date precedes bulletin
|
Date: 2023-02-09:
| 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 |
54629 |
22396 |
8484 |
637 |
140 |
28 |
1 |
0 |
| OW |
52 |
414 |
249 |
264 |
185 |
22 |
0 |
0 |
| VODI |
0 |
189 |
264 |
322 |
282 |
72 |
7 |
0 |
| ODI |
0 |
65 |
115 |
251 |
326 |
133 |
40 |
0 |
| CDI |
0 |
30 |
100 |
214 |
524 |
419 |
234 |
0 |
| VCDI |
0 |
6 |
386 |
599 |
1204 |
5195 |
8509 |
2113 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54628 |
22428 |
8515 |
639 |
148 |
29 |
1 |
0 |
| OW |
53 |
401 |
232 |
263 |
184 |
16 |
0 |
0 |
| VODI |
0 |
179 |
241 |
334 |
268 |
76 |
8 |
0 |
| ODI |
0 |
60 |
112 |
242 |
325 |
136 |
37 |
0 |
| CDI |
0 |
29 |
105 |
221 |
514 |
401 |
216 |
0 |
| VCDI |
0 |
3 |
393 |
588 |
1222 |
5211 |
8529 |
2113 |
|
Date: 2023-02-11:
| 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 |
55205 |
27339 |
3001 |
540 |
154 |
14 |
0 |
0 |
| OW |
51 |
423 |
174 |
271 |
195 |
40 |
1 |
0 |
| VODI |
0 |
291 |
173 |
288 |
272 |
93 |
7 |
0 |
| ODI |
0 |
115 |
84 |
193 |
284 |
137 |
25 |
0 |
| CDI |
0 |
81 |
83 |
158 |
343 |
408 |
156 |
0 |
| VCDI |
0 |
227 |
464 |
533 |
1116 |
4203 |
9343 |
2615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55205 |
27343 |
3018 |
543 |
175 |
12 |
0 |
0 |
| OW |
51 |
414 |
176 |
277 |
174 |
36 |
1 |
0 |
| VODI |
0 |
290 |
168 |
287 |
258 |
101 |
9 |
0 |
| ODI |
0 |
118 |
77 |
196 |
297 |
134 |
29 |
0 |
| CDI |
0 |
77 |
85 |
147 |
326 |
381 |
167 |
0 |
| VCDI |
0 |
234 |
455 |
533 |
1134 |
4231 |
9326 |
2615 |
|
Date: 2023-02-13:
| 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 |
54427 |
25640 |
5312 |
656 |
130 |
23 |
0 |
0 |
| OW |
51 |
352 |
262 |
380 |
155 |
26 |
0 |
0 |
| VODI |
0 |
140 |
171 |
421 |
347 |
66 |
5 |
0 |
| ODI |
0 |
40 |
90 |
351 |
396 |
220 |
31 |
0 |
| CDI |
0 |
24 |
72 |
203 |
394 |
548 |
150 |
0 |
| VCDI |
0 |
202 |
174 |
444 |
900 |
3522 |
9664 |
3111 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54426 |
25317 |
5351 |
702 |
171 |
29 |
0 |
0 |
| OW |
52 |
329 |
158 |
317 |
180 |
30 |
3 |
0 |
| VODI |
0 |
275 |
124 |
302 |
264 |
90 |
18 |
0 |
| ODI |
0 |
123 |
74 |
193 |
262 |
174 |
41 |
0 |
| CDI |
0 |
75 |
87 |
163 |
297 |
356 |
120 |
0 |
| VCDI |
0 |
279 |
287 |
778 |
1148 |
3726 |
9668 |
3111 |
|
Date: 2023-02-15:
| 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 |
56547 |
24407 |
4309 |
608 |
151 |
33 |
4 |
0 |
| OW |
51 |
343 |
307 |
346 |
158 |
30 |
5 |
0 |
| VODI |
0 |
116 |
205 |
420 |
295 |
89 |
14 |
0 |
| ODI |
0 |
36 |
100 |
245 |
297 |
179 |
31 |
0 |
| CDI |
0 |
14 |
55 |
242 |
415 |
567 |
157 |
0 |
| VCDI |
0 |
53 |
216 |
445 |
1018 |
3757 |
9460 |
3375 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56546 |
24071 |
4302 |
649 |
189 |
39 |
5 |
0 |
| OW |
52 |
400 |
154 |
274 |
156 |
38 |
8 |
0 |
| VODI |
0 |
244 |
187 |
255 |
230 |
103 |
30 |
0 |
| ODI |
0 |
89 |
118 |
206 |
215 |
152 |
55 |
0 |
| CDI |
0 |
52 |
108 |
194 |
302 |
538 |
117 |
0 |
| VCDI |
0 |
113 |
323 |
728 |
1242 |
3785 |
9456 |
3375 |
|
Date: 2023-02-17:
| 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 |
58420 |
20822 |
5805 |
599 |
149 |
30 |
2 |
0 |
| OW |
51 |
311 |
256 |
322 |
163 |
21 |
7 |
0 |
| VODI |
0 |
192 |
209 |
337 |
304 |
67 |
11 |
0 |
| ODI |
0 |
46 |
133 |
259 |
355 |
120 |
39 |
0 |
| CDI |
0 |
8 |
74 |
217 |
411 |
482 |
137 |
0 |
| VCDI |
0 |
16 |
322 |
665 |
1277 |
3705 |
10289 |
2467 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58419 |
20555 |
5750 |
686 |
206 |
33 |
2 |
0 |
| OW |
52 |
363 |
219 |
239 |
182 |
34 |
7 |
0 |
| VODI |
0 |
260 |
189 |
239 |
264 |
88 |
37 |
0 |
| ODI |
0 |
137 |
123 |
208 |
263 |
129 |
46 |
0 |
| CDI |
0 |
55 |
129 |
199 |
393 |
565 |
111 |
0 |
| VCDI |
0 |
25 |
389 |
828 |
1351 |
3576 |
10282 |
2467 |
|
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