Validation of sea ice concentration - European sector
Bulletin date: 2023-03-16
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
58933 |
19898 |
5446 |
425 |
59 |
12 |
17 |
0 |
| OW |
52 |
418 |
244 |
388 |
117 |
11 |
5 |
0 |
| VODI |
0 |
234 |
151 |
437 |
261 |
57 |
5 |
0 |
| ODI |
0 |
85 |
93 |
237 |
314 |
147 |
19 |
0 |
| CDI |
0 |
102 |
89 |
223 |
437 |
499 |
69 |
0 |
| VCDI |
0 |
52 |
56 |
358 |
1254 |
5699 |
8978 |
3219 |
|
...date precedes bulletin
|
Date: 2023-03-12:
| 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 |
61846 |
20388 |
2059 |
473 |
90 |
23 |
22 |
0 |
| OW |
58 |
486 |
204 |
335 |
143 |
45 |
2 |
0 |
| VODI |
2 |
301 |
176 |
339 |
243 |
104 |
8 |
0 |
| ODI |
0 |
174 |
99 |
289 |
255 |
195 |
18 |
0 |
| CDI |
0 |
95 |
45 |
201 |
299 |
594 |
159 |
0 |
| VCDI |
0 |
25 |
45 |
313 |
1088 |
3944 |
8668 |
5247 |
|
...date precedes bulletin
|
Date: 2023-03-14:
| 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 |
59231 |
22104 |
2930 |
531 |
100 |
36 |
23 |
0 |
| OW |
52 |
347 |
277 |
403 |
121 |
43 |
6 |
0 |
| VODI |
0 |
191 |
216 |
441 |
296 |
72 |
14 |
0 |
| ODI |
0 |
115 |
63 |
196 |
360 |
166 |
42 |
0 |
| CDI |
0 |
41 |
43 |
103 |
352 |
626 |
361 |
0 |
| VCDI |
0 |
29 |
86 |
234 |
1013 |
4018 |
7788 |
6030 |
|
...date precedes bulletin
|
Date: 2023-03-16:
| 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 |
62488 |
20524 |
921 |
579 |
217 |
85 |
31 |
0 |
| OW |
52 |
350 |
263 |
350 |
175 |
70 |
23 |
0 |
| VODI |
0 |
173 |
97 |
339 |
345 |
128 |
33 |
0 |
| ODI |
0 |
111 |
38 |
147 |
312 |
267 |
59 |
0 |
| CDI |
0 |
48 |
22 |
82 |
278 |
845 |
410 |
0 |
| VCDI |
0 |
54 |
25 |
111 |
625 |
2632 |
9176 |
6615 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62488 |
20489 |
938 |
607 |
212 |
84 |
29 |
0 |
| OW |
52 |
375 |
229 |
314 |
184 |
67 |
21 |
0 |
| VODI |
0 |
177 |
113 |
332 |
331 |
123 |
36 |
0 |
| ODI |
0 |
104 |
38 |
149 |
293 |
259 |
60 |
0 |
| CDI |
0 |
57 |
20 |
86 |
284 |
868 |
414 |
0 |
| VCDI |
0 |
58 |
28 |
120 |
648 |
2626 |
9172 |
6615 |
|
Date: 2023-03-18:
| 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 |
61957 |
20843 |
1102 |
561 |
216 |
88 |
60 |
0 |
| OW |
67 |
341 |
206 |
352 |
159 |
80 |
20 |
0 |
| VODI |
0 |
112 |
104 |
305 |
330 |
175 |
38 |
0 |
| ODI |
0 |
82 |
31 |
120 |
319 |
306 |
80 |
0 |
| CDI |
0 |
46 |
21 |
61 |
284 |
736 |
371 |
0 |
| VCDI |
0 |
21 |
24 |
61 |
328 |
2463 |
12008 |
4622 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
61962 |
20855 |
1098 |
596 |
222 |
89 |
62 |
0 |
| OW |
62 |
311 |
193 |
326 |
158 |
79 |
19 |
0 |
| VODI |
0 |
129 |
115 |
291 |
330 |
166 |
34 |
0 |
| ODI |
0 |
68 |
36 |
119 |
312 |
297 |
82 |
0 |
| CDI |
0 |
50 |
21 |
60 |
260 |
739 |
393 |
0 |
| VCDI |
0 |
32 |
25 |
68 |
354 |
2478 |
11987 |
4622 |
|
Date: 2023-03-20:
| 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 |
58668 |
22675 |
2616 |
497 |
171 |
59 |
20 |
0 |
| OW |
56 |
299 |
261 |
376 |
175 |
47 |
7 |
0 |
| VODI |
0 |
142 |
77 |
341 |
335 |
167 |
27 |
0 |
| ODI |
0 |
72 |
27 |
109 |
330 |
316 |
41 |
0 |
| CDI |
0 |
46 |
11 |
44 |
232 |
857 |
276 |
0 |
| VCDI |
0 |
23 |
23 |
81 |
230 |
2228 |
13648 |
3490 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58669 |
22653 |
2613 |
595 |
229 |
98 |
33 |
0 |
| OW |
55 |
289 |
222 |
264 |
201 |
75 |
19 |
0 |
| VODI |
0 |
143 |
110 |
296 |
276 |
186 |
33 |
0 |
| ODI |
0 |
76 |
29 |
138 |
261 |
296 |
65 |
0 |
| CDI |
0 |
54 |
14 |
72 |
220 |
745 |
287 |
0 |
| VCDI |
0 |
42 |
27 |
83 |
286 |
2274 |
13582 |
3490 |
|
Date: 2023-03-22:
| 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 |
58819 |
22441 |
2607 |
613 |
207 |
63 |
10 |
0 |
| OW |
56 |
212 |
202 |
344 |
238 |
77 |
12 |
0 |
| VODI |
0 |
175 |
98 |
226 |
320 |
182 |
30 |
0 |
| ODI |
0 |
70 |
64 |
108 |
227 |
244 |
80 |
0 |
| CDI |
0 |
33 |
22 |
102 |
262 |
496 |
229 |
0 |
| VCDI |
0 |
16 |
21 |
76 |
271 |
2812 |
12477 |
4558 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58818 |
22400 |
2591 |
625 |
267 |
86 |
21 |
0 |
| OW |
57 |
245 |
200 |
276 |
182 |
82 |
17 |
0 |
| VODI |
0 |
149 |
105 |
265 |
269 |
177 |
39 |
0 |
| ODI |
0 |
88 |
65 |
113 |
263 |
253 |
83 |
0 |
| CDI |
0 |
36 |
33 |
104 |
258 |
543 |
305 |
0 |
| VCDI |
0 |
29 |
20 |
86 |
286 |
2733 |
12373 |
4558 |
|
Date: 2023-03-24:
| 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 |
58967 |
22117 |
2490 |
640 |
236 |
87 |
13 |
0 |
| OW |
54 |
295 |
157 |
329 |
234 |
122 |
13 |
0 |
| VODI |
0 |
166 |
94 |
246 |
296 |
217 |
43 |
0 |
| ODI |
0 |
65 |
41 |
123 |
235 |
267 |
88 |
0 |
| CDI |
0 |
28 |
16 |
89 |
309 |
457 |
313 |
0 |
| VCDI |
0 |
1 |
9 |
61 |
416 |
3207 |
10789 |
5770 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58967 |
22169 |
2476 |
658 |
318 |
125 |
20 |
0 |
| OW |
54 |
274 |
175 |
282 |
191 |
128 |
13 |
0 |
| VODI |
0 |
143 |
90 |
255 |
267 |
239 |
57 |
0 |
| ODI |
0 |
63 |
45 |
130 |
268 |
239 |
114 |
0 |
| CDI |
0 |
22 |
16 |
99 |
278 |
508 |
260 |
0 |
| VCDI |
0 |
1 |
5 |
64 |
404 |
3118 |
10795 |
5770 |
|
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