Validation of sea ice concentration - European sector
Bulletin date: 2024-02-29
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-02-23:
| 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 |
57650 |
13628 |
143 |
139 |
47 |
3 |
0 |
0 |
| OW |
688 |
1428 |
205 |
290 |
123 |
24 |
14 |
0 |
| VODI |
1777 |
597 |
203 |
411 |
276 |
80 |
66 |
0 |
| ODI |
1835 |
174 |
118 |
362 |
472 |
336 |
92 |
0 |
| CDI |
0 |
90 |
74 |
292 |
785 |
1710 |
1154 |
0 |
| VCDI |
0 |
37 |
35 |
175 |
585 |
2837 |
9578 |
4329 |
|
...date precedes bulletin
|
Date: 2024-02-25:
| 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 |
57889 |
13493 |
81 |
124 |
30 |
9 |
3 |
0 |
| OW |
683 |
1535 |
189 |
204 |
55 |
26 |
26 |
0 |
| VODI |
1778 |
735 |
183 |
388 |
216 |
93 |
46 |
0 |
| ODI |
1834 |
328 |
144 |
369 |
302 |
267 |
108 |
0 |
| CDI |
0 |
145 |
98 |
468 |
731 |
1625 |
897 |
0 |
| VCDI |
0 |
85 |
46 |
198 |
532 |
3087 |
9307 |
4505 |
|
...date precedes bulletin
|
Date: 2024-02-27:
| 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 |
57031 |
14259 |
184 |
229 |
48 |
1 |
0 |
0 |
| OW |
658 |
1425 |
288 |
328 |
174 |
87 |
9 |
0 |
| VODI |
1790 |
290 |
199 |
557 |
375 |
134 |
37 |
0 |
| ODI |
1817 |
72 |
53 |
314 |
628 |
347 |
74 |
0 |
| CDI |
0 |
76 |
34 |
173 |
934 |
1979 |
1305 |
0 |
| VCDI |
0 |
61 |
24 |
80 |
254 |
2263 |
9463 |
4808 |
|
...date precedes bulletin
|
Date: 2024-02-29:
| 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 |
57550 |
13956 |
124 |
132 |
36 |
8 |
0 |
0 |
| OW |
629 |
1555 |
189 |
305 |
102 |
66 |
12 |
0 |
| VODI |
1783 |
602 |
174 |
445 |
177 |
144 |
27 |
0 |
| ODI |
1827 |
215 |
105 |
427 |
485 |
219 |
69 |
0 |
| CDI |
0 |
156 |
68 |
372 |
1141 |
1285 |
941 |
0 |
| VCDI |
0 |
84 |
51 |
190 |
608 |
2692 |
8235 |
5676 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57550 |
14027 |
128 |
140 |
33 |
9 |
0 |
0 |
| OW |
629 |
1494 |
184 |
308 |
101 |
66 |
12 |
0 |
| VODI |
1783 |
592 |
176 |
439 |
194 |
170 |
29 |
0 |
| ODI |
1827 |
207 |
103 |
410 |
463 |
204 |
80 |
0 |
| CDI |
0 |
158 |
68 |
377 |
1146 |
1252 |
937 |
2 |
| VCDI |
0 |
90 |
52 |
197 |
612 |
2713 |
8226 |
5674 |
|
Date: 2024-03-02:
| 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 |
58634 |
12900 |
96 |
97 |
27 |
2 |
0 |
0 |
| OW |
611 |
1502 |
168 |
327 |
79 |
40 |
2 |
0 |
| VODI |
1779 |
567 |
201 |
511 |
221 |
100 |
25 |
0 |
| ODI |
1833 |
201 |
111 |
485 |
522 |
240 |
26 |
0 |
| CDI |
0 |
197 |
86 |
341 |
1135 |
1469 |
565 |
0 |
| VCDI |
0 |
73 |
43 |
160 |
466 |
3075 |
10152 |
3793 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
58634 |
12988 |
95 |
109 |
22 |
3 |
0 |
0 |
| OW |
611 |
1448 |
174 |
320 |
90 |
40 |
1 |
0 |
| VODI |
1778 |
534 |
204 |
498 |
224 |
110 |
30 |
0 |
| ODI |
1834 |
189 |
98 |
477 |
551 |
222 |
21 |
0 |
| CDI |
0 |
193 |
85 |
335 |
1078 |
1377 |
543 |
0 |
| VCDI |
0 |
88 |
49 |
182 |
485 |
3174 |
10175 |
3793 |
|
Date: 2024-03-04:
| 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 |
57082 |
14318 |
152 |
135 |
41 |
18 |
0 |
0 |
| OW |
645 |
1392 |
283 |
249 |
44 |
19 |
20 |
0 |
| VODI |
1797 |
321 |
235 |
760 |
274 |
34 |
14 |
0 |
| ODI |
1817 |
116 |
71 |
416 |
859 |
292 |
60 |
0 |
| CDI |
0 |
60 |
52 |
271 |
1138 |
2466 |
798 |
0 |
| VCDI |
0 |
0 |
2 |
18 |
256 |
2586 |
9699 |
4052 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57106 |
14009 |
165 |
166 |
26 |
0 |
0 |
0 |
| OW |
622 |
1232 |
225 |
341 |
129 |
54 |
25 |
0 |
| VODI |
1775 |
502 |
174 |
484 |
332 |
104 |
57 |
0 |
| ODI |
1838 |
219 |
90 |
293 |
577 |
204 |
39 |
0 |
| CDI |
0 |
196 |
108 |
433 |
1000 |
1690 |
940 |
0 |
| VCDI |
0 |
49 |
33 |
132 |
548 |
3363 |
9530 |
4052 |
|
Date: 2024-03-06:
| 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 |
57555 |
13912 |
69 |
92 |
16 |
11 |
0 |
0 |
| OW |
670 |
1389 |
281 |
311 |
52 |
17 |
7 |
0 |
| VODI |
1788 |
429 |
208 |
569 |
322 |
47 |
13 |
0 |
| ODI |
1820 |
140 |
93 |
403 |
621 |
343 |
35 |
0 |
| CDI |
0 |
94 |
75 |
322 |
898 |
2750 |
998 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
264 |
2721 |
9058 |
4436 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57587 |
13463 |
132 |
153 |
27 |
19 |
1 |
0 |
| OW |
633 |
1232 |
191 |
322 |
114 |
33 |
14 |
0 |
| VODI |
1772 |
647 |
159 |
418 |
299 |
109 |
25 |
0 |
| ODI |
1841 |
286 |
98 |
257 |
473 |
271 |
24 |
0 |
| CDI |
0 |
296 |
110 |
445 |
854 |
2115 |
921 |
0 |
| VCDI |
0 |
40 |
36 |
135 |
406 |
3342 |
9126 |
4436 |
|
Date: 2024-03-08:
| 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 |
57591 |
13678 |
89 |
74 |
14 |
3 |
2 |
0 |
| OW |
639 |
1342 |
262 |
304 |
64 |
13 |
18 |
0 |
| VODI |
1783 |
458 |
223 |
577 |
369 |
48 |
18 |
0 |
| ODI |
1827 |
168 |
96 |
394 |
589 |
327 |
41 |
0 |
| CDI |
0 |
106 |
48 |
297 |
822 |
2507 |
1482 |
0 |
| VCDI |
0 |
16 |
16 |
43 |
404 |
2522 |
9432 |
4156 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
57591 |
13159 |
176 |
186 |
78 |
7 |
12 |
0 |
| OW |
636 |
1270 |
160 |
290 |
129 |
15 |
17 |
0 |
| VODI |
1764 |
695 |
162 |
399 |
373 |
85 |
16 |
0 |
| ODI |
1849 |
329 |
103 |
267 |
411 |
326 |
35 |
0 |
| CDI |
0 |
257 |
104 |
453 |
701 |
2090 |
948 |
0 |
| VCDI |
0 |
58 |
29 |
94 |
570 |
2897 |
9965 |
4156 |
|
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