Validation of sea ice concentration - European sector
Bulletin date: 2023-02-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-02-10:
| 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 |
53683 |
24887 |
7035 |
518 |
88 |
5 |
0 |
0 |
| OW |
58 |
467 |
172 |
290 |
190 |
21 |
0 |
0 |
| VODI |
2 |
262 |
219 |
294 |
273 |
72 |
1 |
0 |
| ODI |
0 |
92 |
85 |
218 |
331 |
147 |
17 |
0 |
| CDI |
0 |
77 |
80 |
185 |
419 |
464 |
127 |
0 |
| VCDI |
0 |
80 |
516 |
534 |
1273 |
4838 |
9322 |
1758 |
|
...date precedes bulletin
|
Date: 2023-02-12:
| 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 |
54172 |
26817 |
4370 |
620 |
139 |
24 |
3 |
0 |
| OW |
51 |
388 |
199 |
330 |
157 |
33 |
8 |
0 |
| VODI |
0 |
245 |
191 |
312 |
275 |
66 |
27 |
0 |
| ODI |
0 |
81 |
138 |
190 |
292 |
127 |
42 |
0 |
| CDI |
0 |
59 |
116 |
126 |
344 |
363 |
145 |
0 |
| VCDI |
0 |
145 |
606 |
594 |
1201 |
3938 |
8891 |
3275 |
|
...date precedes bulletin
|
Date: 2023-02-14:
| 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 |
55530 |
26699 |
3143 |
591 |
194 |
29 |
5 |
0 |
| OW |
51 |
307 |
222 |
409 |
167 |
24 |
2 |
0 |
| VODI |
0 |
131 |
161 |
325 |
394 |
92 |
2 |
0 |
| ODI |
0 |
22 |
89 |
203 |
359 |
205 |
23 |
0 |
| CDI |
0 |
6 |
51 |
196 |
439 |
548 |
189 |
0 |
| VCDI |
0 |
58 |
96 |
413 |
884 |
3710 |
10180 |
2951 |
|
...date precedes bulletin
|
Date: 2023-02-16:
| 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 |
56782 |
24662 |
3594 |
663 |
154 |
44 |
5 |
0 |
| OW |
51 |
259 |
323 |
323 |
164 |
18 |
5 |
0 |
| VODI |
0 |
143 |
212 |
302 |
389 |
80 |
5 |
0 |
| ODI |
0 |
57 |
110 |
205 |
358 |
155 |
32 |
0 |
| CDI |
0 |
23 |
74 |
182 |
508 |
554 |
113 |
0 |
| VCDI |
0 |
111 |
186 |
442 |
1318 |
4176 |
9602 |
2716 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56782 |
24681 |
3635 |
692 |
162 |
43 |
5 |
0 |
| OW |
51 |
240 |
290 |
306 |
167 |
17 |
4 |
0 |
| VODI |
0 |
141 |
217 |
291 |
375 |
79 |
5 |
0 |
| ODI |
0 |
58 |
92 |
212 |
363 |
153 |
28 |
0 |
| CDI |
0 |
23 |
76 |
166 |
511 |
575 |
110 |
0 |
| VCDI |
0 |
112 |
189 |
450 |
1313 |
4160 |
9610 |
2716 |
|
Date: 2023-02-18:
| 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 |
57848 |
22511 |
4589 |
507 |
178 |
23 |
7 |
0 |
| OW |
52 |
413 |
200 |
297 |
160 |
24 |
3 |
0 |
| VODI |
0 |
242 |
197 |
328 |
292 |
66 |
8 |
0 |
| ODI |
0 |
71 |
98 |
277 |
379 |
123 |
14 |
0 |
| CDI |
0 |
25 |
61 |
231 |
416 |
413 |
102 |
0 |
| VCDI |
0 |
151 |
168 |
631 |
1535 |
4156 |
10292 |
2012 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57848 |
22502 |
4582 |
536 |
214 |
28 |
7 |
0 |
| OW |
52 |
435 |
211 |
275 |
138 |
23 |
5 |
0 |
| VODI |
0 |
225 |
191 |
317 |
310 |
60 |
6 |
0 |
| ODI |
0 |
69 |
92 |
284 |
358 |
137 |
11 |
0 |
| CDI |
0 |
28 |
62 |
215 |
451 |
476 |
117 |
0 |
| VCDI |
0 |
154 |
175 |
644 |
1489 |
4081 |
10280 |
2012 |
|
Date: 2023-02-20:
| 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 |
56598 |
26487 |
1533 |
559 |
119 |
51 |
13 |
0 |
| OW |
52 |
228 |
247 |
410 |
153 |
36 |
8 |
0 |
| VODI |
0 |
87 |
160 |
496 |
386 |
73 |
11 |
0 |
| ODI |
0 |
16 |
53 |
260 |
608 |
206 |
11 |
0 |
| CDI |
0 |
13 |
10 |
109 |
708 |
587 |
81 |
0 |
| VCDI |
0 |
20 |
62 |
125 |
731 |
3933 |
8369 |
5491 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56598 |
26308 |
1448 |
611 |
183 |
76 |
15 |
0 |
| OW |
52 |
330 |
238 |
306 |
195 |
38 |
12 |
0 |
| VODI |
0 |
122 |
174 |
384 |
328 |
120 |
10 |
0 |
| ODI |
0 |
39 |
94 |
222 |
375 |
156 |
24 |
0 |
| CDI |
0 |
14 |
29 |
205 |
567 |
456 |
123 |
0 |
| VCDI |
0 |
38 |
82 |
231 |
1057 |
4040 |
8309 |
5491 |
|
Date: 2023-02-22:
| 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 |
58972 |
23072 |
2355 |
684 |
120 |
18 |
25 |
0 |
| OW |
52 |
259 |
214 |
363 |
219 |
8 |
7 |
0 |
| VODI |
0 |
120 |
140 |
451 |
367 |
70 |
10 |
0 |
| ODI |
0 |
34 |
53 |
230 |
466 |
143 |
21 |
0 |
| CDI |
0 |
14 |
31 |
142 |
599 |
396 |
157 |
0 |
| VCDI |
0 |
21 |
42 |
159 |
889 |
4519 |
9083 |
4575 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58972 |
22814 |
2300 |
754 |
265 |
43 |
28 |
0 |
| OW |
52 |
367 |
180 |
304 |
190 |
45 |
7 |
0 |
| VODI |
0 |
174 |
161 |
342 |
356 |
91 |
27 |
0 |
| ODI |
0 |
84 |
73 |
195 |
383 |
230 |
42 |
0 |
| CDI |
0 |
36 |
54 |
199 |
536 |
536 |
238 |
0 |
| VCDI |
0 |
45 |
67 |
235 |
930 |
4209 |
8961 |
4575 |
|
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 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52023 |
25378 |
6266 |
742 |
281 |
46 |
7 |
0 |
| OW |
52 |
540 |
207 |
236 |
220 |
35 |
3 |
0 |
| VODI |
0 |
286 |
219 |
269 |
315 |
88 |
4 |
0 |
| ODI |
0 |
111 |
123 |
248 |
241 |
136 |
34 |
0 |
| CDI |
0 |
85 |
77 |
223 |
387 |
262 |
164 |
0 |
| VCDI |
0 |
130 |
124 |
431 |
1498 |
4744 |
9048 |
3817 |
|
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