Validation of sea ice concentration - European sector
Bulletin date: 2023-03-02
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-24:
| 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 |
52023 |
25906 |
6330 |
721 |
180 |
17 |
7 |
0 |
| OW |
52 |
336 |
254 |
284 |
163 |
18 |
2 |
0 |
| VODI |
0 |
172 |
218 |
339 |
293 |
46 |
5 |
0 |
| ODI |
0 |
55 |
104 |
310 |
327 |
91 |
21 |
0 |
| CDI |
0 |
26 |
54 |
229 |
518 |
291 |
151 |
0 |
| VCDI |
0 |
35 |
56 |
266 |
1461 |
4848 |
9074 |
3817 |
|
...date precedes bulletin
|
Date: 2023-02-26:
| 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 |
53466 |
25056 |
5439 |
632 |
219 |
43 |
25 |
0 |
| OW |
52 |
364 |
248 |
357 |
183 |
32 |
5 |
0 |
| VODI |
0 |
205 |
174 |
366 |
300 |
113 |
11 |
0 |
| ODI |
0 |
56 |
130 |
248 |
329 |
174 |
32 |
0 |
| CDI |
0 |
9 |
80 |
255 |
546 |
644 |
240 |
0 |
| VCDI |
0 |
4 |
148 |
387 |
1539 |
4788 |
9800 |
2401 |
|
...date precedes bulletin
|
Date: 2023-02-28:
| 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 |
54070 |
22131 |
7779 |
880 |
177 |
13 |
13 |
0 |
| OW |
52 |
279 |
280 |
315 |
192 |
37 |
7 |
0 |
| VODI |
0 |
102 |
160 |
420 |
317 |
90 |
16 |
0 |
| ODI |
0 |
29 |
43 |
250 |
448 |
190 |
19 |
0 |
| CDI |
0 |
21 |
42 |
146 |
746 |
737 |
155 |
0 |
| VCDI |
0 |
51 |
168 |
330 |
1411 |
4783 |
9982 |
2219 |
|
...date precedes bulletin
|
Date: 2023-03-02:
| 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 |
56246 |
20481 |
7072 |
793 |
126 |
15 |
23 |
0 |
| OW |
54 |
168 |
350 |
409 |
182 |
47 |
12 |
0 |
| VODI |
0 |
53 |
144 |
469 |
342 |
133 |
29 |
0 |
| ODI |
0 |
34 |
42 |
280 |
408 |
217 |
47 |
0 |
| CDI |
0 |
30 |
19 |
277 |
827 |
810 |
255 |
0 |
| VCDI |
0 |
63 |
71 |
319 |
1284 |
4412 |
8922 |
3635 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56245 |
20480 |
7081 |
803 |
130 |
23 |
24 |
0 |
| OW |
55 |
163 |
343 |
380 |
167 |
39 |
8 |
0 |
| VODI |
0 |
59 |
145 |
486 |
345 |
125 |
36 |
0 |
| ODI |
0 |
28 |
37 |
275 |
393 |
213 |
50 |
0 |
| CDI |
0 |
26 |
14 |
264 |
782 |
762 |
243 |
0 |
| VCDI |
0 |
73 |
78 |
339 |
1352 |
4472 |
8927 |
3635 |
|
Date: 2023-03-04:
| 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 |
56206 |
23062 |
4527 |
814 |
90 |
14 |
16 |
0 |
| OW |
52 |
174 |
352 |
398 |
147 |
42 |
11 |
0 |
| VODI |
0 |
79 |
180 |
484 |
260 |
124 |
40 |
0 |
| ODI |
0 |
33 |
38 |
389 |
348 |
203 |
61 |
0 |
| CDI |
0 |
39 |
5 |
232 |
704 |
783 |
308 |
0 |
| VCDI |
0 |
59 |
55 |
171 |
1051 |
4988 |
11032 |
1529 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56206 |
23052 |
4563 |
839 |
121 |
18 |
17 |
0 |
| OW |
52 |
185 |
329 |
361 |
117 |
38 |
11 |
0 |
| VODI |
0 |
80 |
168 |
492 |
248 |
116 |
49 |
0 |
| ODI |
0 |
36 |
36 |
382 |
356 |
200 |
57 |
0 |
| CDI |
0 |
36 |
6 |
230 |
630 |
697 |
288 |
0 |
| VCDI |
0 |
57 |
55 |
184 |
1128 |
5085 |
11046 |
1529 |
|
Date: 2023-03-06:
| 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 |
57484 |
22077 |
4439 |
451 |
50 |
12 |
28 |
0 |
| OW |
52 |
480 |
334 |
334 |
70 |
14 |
9 |
0 |
| VODI |
0 |
128 |
214 |
511 |
285 |
46 |
17 |
0 |
| ODI |
0 |
40 |
67 |
356 |
482 |
221 |
40 |
0 |
| CDI |
0 |
18 |
38 |
216 |
596 |
1329 |
347 |
0 |
| VCDI |
0 |
24 |
28 |
76 |
566 |
3914 |
11361 |
2346 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57484 |
22237 |
4545 |
492 |
93 |
39 |
43 |
0 |
| OW |
52 |
297 |
239 |
347 |
101 |
50 |
25 |
0 |
| VODI |
0 |
154 |
202 |
437 |
254 |
75 |
53 |
0 |
| ODI |
0 |
26 |
80 |
297 |
343 |
181 |
49 |
0 |
| CDI |
0 |
20 |
26 |
219 |
426 |
761 |
300 |
0 |
| VCDI |
0 |
33 |
28 |
152 |
832 |
4430 |
11332 |
2346 |
|
Date: 2023-03-08:
| 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 |
60624 |
19655 |
3832 |
510 |
67 |
13 |
21 |
0 |
| OW |
52 |
334 |
266 |
405 |
146 |
6 |
6 |
0 |
| VODI |
0 |
148 |
153 |
412 |
340 |
66 |
12 |
0 |
| ODI |
0 |
61 |
69 |
252 |
387 |
164 |
28 |
0 |
| CDI |
0 |
38 |
62 |
190 |
528 |
596 |
173 |
0 |
| VCDI |
0 |
78 |
55 |
193 |
767 |
4958 |
12193 |
1240 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
60624 |
19689 |
3910 |
585 |
122 |
48 |
48 |
0 |
| OW |
52 |
315 |
202 |
427 |
167 |
34 |
12 |
0 |
| VODI |
0 |
166 |
126 |
372 |
382 |
155 |
36 |
0 |
| ODI |
0 |
34 |
71 |
208 |
356 |
208 |
77 |
0 |
| CDI |
0 |
24 |
56 |
148 |
414 |
497 |
155 |
0 |
| VCDI |
0 |
86 |
72 |
222 |
794 |
4861 |
12105 |
1240 |
|
Date: 2023-03-10:
| 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 |
58667 |
19267 |
6338 |
430 |
59 |
12 |
17 |
0 |
| OW |
52 |
410 |
245 |
395 |
117 |
11 |
5 |
0 |
| VODI |
0 |
231 |
152 |
439 |
261 |
57 |
5 |
0 |
| ODI |
0 |
84 |
94 |
237 |
314 |
147 |
19 |
0 |
| CDI |
0 |
98 |
90 |
226 |
437 |
499 |
69 |
0 |
| VCDI |
0 |
44 |
58 |
359 |
1257 |
5701 |
8978 |
3219 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58667 |
19148 |
6393 |
545 |
142 |
30 |
21 |
0 |
| OW |
52 |
539 |
203 |
400 |
179 |
70 |
5 |
0 |
| VODI |
0 |
246 |
167 |
377 |
296 |
121 |
21 |
0 |
| ODI |
0 |
116 |
80 |
210 |
262 |
143 |
27 |
0 |
| CDI |
0 |
55 |
67 |
196 |
324 |
348 |
26 |
0 |
| VCDI |
0 |
30 |
67 |
358 |
1242 |
5715 |
8993 |
3219 |
|
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