Validation of sea ice concentration - European sector
Bulletin date: 2022-05-19
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-05-13:
| 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 |
62868 |
20016 |
1519 |
1084 |
427 |
90 |
19 |
0 |
| OW |
64 |
166 |
128 |
332 |
505 |
214 |
56 |
0 |
| VODI |
0 |
53 |
112 |
254 |
457 |
174 |
95 |
0 |
| ODI |
0 |
22 |
50 |
203 |
376 |
256 |
135 |
0 |
| CDI |
0 |
12 |
23 |
193 |
902 |
1216 |
633 |
0 |
| VCDI |
0 |
2 |
23 |
126 |
947 |
3323 |
6587 |
5438 |
|
...date precedes bulletin
|
Date: 2022-05-15:
| 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 |
65030 |
17848 |
1698 |
1162 |
508 |
172 |
68 |
0 |
| OW |
62 |
136 |
123 |
285 |
456 |
127 |
65 |
0 |
| VODI |
0 |
86 |
76 |
227 |
362 |
182 |
72 |
0 |
| ODI |
0 |
36 |
73 |
182 |
385 |
281 |
133 |
0 |
| CDI |
0 |
17 |
15 |
273 |
890 |
1193 |
777 |
0 |
| VCDI |
0 |
35 |
64 |
216 |
995 |
2757 |
6488 |
5545 |
|
...date precedes bulletin
|
Date: 2022-05-17:
| 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 |
65979 |
16945 |
1935 |
1079 |
391 |
182 |
29 |
0 |
| OW |
56 |
70 |
142 |
398 |
336 |
114 |
30 |
0 |
| VODI |
0 |
42 |
68 |
339 |
595 |
168 |
55 |
0 |
| ODI |
0 |
17 |
27 |
229 |
607 |
380 |
100 |
0 |
| CDI |
0 |
28 |
16 |
233 |
1081 |
1827 |
747 |
0 |
| VCDI |
0 |
35 |
52 |
184 |
418 |
1961 |
6372 |
5833 |
|
...date precedes bulletin
|
Date: 2022-05-19:
| 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 |
63460 |
18406 |
3020 |
1273 |
501 |
185 |
61 |
0 |
| OW |
55 |
115 |
146 |
472 |
369 |
127 |
19 |
0 |
| VODI |
0 |
96 |
90 |
283 |
386 |
157 |
54 |
0 |
| ODI |
0 |
40 |
71 |
195 |
482 |
407 |
112 |
0 |
| CDI |
0 |
41 |
33 |
306 |
1075 |
1512 |
437 |
0 |
| VCDI |
0 |
85 |
80 |
280 |
407 |
2221 |
6806 |
5235 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63461 |
18415 |
3039 |
1388 |
623 |
234 |
69 |
0 |
| OW |
54 |
122 |
131 |
384 |
282 |
86 |
13 |
0 |
| VODI |
0 |
85 |
84 |
255 |
381 |
147 |
48 |
0 |
| ODI |
0 |
34 |
72 |
189 |
408 |
425 |
110 |
0 |
| CDI |
0 |
39 |
31 |
308 |
1073 |
1468 |
430 |
0 |
| VCDI |
0 |
88 |
83 |
285 |
453 |
2249 |
6819 |
5235 |
|
Date: 2022-05-21:
| 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 |
63300 |
19186 |
2362 |
1618 |
723 |
227 |
61 |
0 |
| OW |
63 |
69 |
146 |
342 |
298 |
86 |
50 |
0 |
| VODI |
0 |
88 |
98 |
270 |
404 |
141 |
98 |
0 |
| ODI |
0 |
55 |
56 |
199 |
492 |
238 |
228 |
0 |
| CDI |
0 |
78 |
70 |
242 |
955 |
1687 |
435 |
0 |
| VCDI |
0 |
60 |
108 |
239 |
553 |
2283 |
6184 |
5308 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63300 |
19197 |
2380 |
1697 |
835 |
256 |
60 |
0 |
| OW |
63 |
66 |
130 |
306 |
230 |
61 |
59 |
0 |
| VODI |
0 |
69 |
97 |
228 |
375 |
155 |
92 |
0 |
| ODI |
0 |
61 |
54 |
189 |
427 |
258 |
196 |
0 |
| CDI |
0 |
74 |
70 |
248 |
984 |
1602 |
461 |
0 |
| VCDI |
0 |
69 |
109 |
242 |
574 |
2330 |
6188 |
5308 |
|
Date: 2022-05-23:
| 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 |
62269 |
20562 |
2347 |
1815 |
628 |
113 |
13 |
0 |
| OW |
53 |
205 |
154 |
411 |
181 |
47 |
13 |
0 |
| VODI |
0 |
73 |
95 |
459 |
343 |
90 |
31 |
0 |
| ODI |
0 |
62 |
49 |
267 |
895 |
317 |
68 |
0 |
| CDI |
0 |
77 |
131 |
350 |
1122 |
1846 |
616 |
0 |
| VCDI |
0 |
8 |
7 |
20 |
263 |
1936 |
7699 |
3465 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
62269 |
20534 |
2394 |
2067 |
775 |
164 |
35 |
0 |
| OW |
53 |
101 |
97 |
287 |
199 |
82 |
30 |
0 |
| VODI |
0 |
113 |
54 |
254 |
304 |
149 |
102 |
0 |
| ODI |
0 |
69 |
57 |
206 |
397 |
263 |
171 |
0 |
| CDI |
0 |
94 |
83 |
254 |
980 |
1518 |
677 |
0 |
| VCDI |
0 |
76 |
98 |
254 |
777 |
2173 |
7425 |
3465 |
|
Date: 2022-05-25:
| 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 |
63339 |
20328 |
2296 |
1646 |
465 |
103 |
23 |
0 |
| OW |
61 |
115 |
166 |
446 |
205 |
30 |
20 |
0 |
| VODI |
0 |
78 |
71 |
456 |
428 |
69 |
38 |
0 |
| ODI |
0 |
61 |
91 |
314 |
848 |
342 |
50 |
0 |
| CDI |
0 |
35 |
102 |
411 |
1125 |
1691 |
413 |
0 |
| VCDI |
0 |
3 |
5 |
84 |
476 |
2428 |
8626 |
1612 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
63339 |
20209 |
2239 |
1818 |
620 |
145 |
67 |
0 |
| OW |
61 |
100 |
176 |
254 |
207 |
56 |
33 |
0 |
| VODI |
0 |
101 |
63 |
319 |
291 |
149 |
62 |
0 |
| ODI |
0 |
81 |
44 |
265 |
425 |
360 |
147 |
0 |
| CDI |
0 |
94 |
135 |
309 |
1160 |
1628 |
554 |
0 |
| VCDI |
0 |
35 |
74 |
392 |
844 |
2325 |
8307 |
1612 |
|
Date: 2022-05-27:
| 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 |
64393 |
19630 |
2270 |
1634 |
462 |
120 |
33 |
0 |
| OW |
60 |
139 |
175 |
420 |
224 |
49 |
19 |
0 |
| VODI |
0 |
81 |
89 |
407 |
359 |
150 |
38 |
0 |
| ODI |
0 |
86 |
130 |
483 |
641 |
407 |
111 |
0 |
| CDI |
0 |
29 |
125 |
551 |
961 |
1398 |
579 |
0 |
| VCDI |
0 |
1 |
18 |
210 |
518 |
2772 |
7864 |
1464 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
64393 |
19333 |
2245 |
1809 |
651 |
206 |
64 |
0 |
| OW |
60 |
211 |
95 |
244 |
163 |
98 |
30 |
0 |
| VODI |
0 |
152 |
97 |
285 |
216 |
232 |
112 |
0 |
| ODI |
0 |
121 |
72 |
281 |
343 |
380 |
101 |
0 |
| CDI |
0 |
111 |
204 |
468 |
1030 |
1240 |
986 |
3 |
| VCDI |
0 |
38 |
94 |
618 |
762 |
2740 |
7351 |
1461 |
|
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