Validation of sea ice concentration - American sector
Bulletin date: 2024-06-13
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-06-07:
| 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 |
548 |
1938 |
57 |
30 |
0 |
0 |
0 |
0 |
| OW |
0 |
1430 |
98 |
117 |
33 |
1 |
0 |
0 |
| VODI |
0 |
740 |
166 |
428 |
303 |
58 |
4 |
0 |
| ODI |
0 |
295 |
85 |
323 |
440 |
172 |
52 |
0 |
| CDI |
0 |
305 |
81 |
331 |
1475 |
1485 |
842 |
0 |
| VCDI |
0 |
209 |
78 |
276 |
966 |
5694 |
20545 |
6261 |
|
...date precedes bulletin
|
Date: 2024-06-09:
| 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 |
1179 |
1780 |
31 |
16 |
1 |
0 |
0 |
0 |
| OW |
3 |
1408 |
85 |
166 |
65 |
4 |
0 |
0 |
| VODI |
0 |
687 |
134 |
383 |
212 |
58 |
39 |
0 |
| ODI |
0 |
347 |
85 |
311 |
318 |
139 |
93 |
0 |
| CDI |
0 |
424 |
87 |
287 |
1477 |
1828 |
1466 |
8 |
| VCDI |
0 |
185 |
70 |
256 |
579 |
4365 |
23110 |
4180 |
|
...date precedes bulletin
|
Date: 2024-06-11:
| 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 |
1147 |
2373 |
46 |
24 |
4 |
0 |
0 |
0 |
| OW |
0 |
1667 |
169 |
234 |
27 |
7 |
0 |
0 |
| VODI |
0 |
494 |
198 |
581 |
309 |
40 |
11 |
0 |
| ODI |
0 |
209 |
55 |
268 |
706 |
244 |
65 |
0 |
| CDI |
0 |
209 |
101 |
322 |
1187 |
3273 |
1110 |
0 |
| VCDI |
0 |
2 |
10 |
71 |
175 |
5867 |
21415 |
3246 |
|
...date precedes bulletin
|
Date: 2024-06-13:
| 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 |
1381 |
2278 |
30 |
19 |
2 |
0 |
0 |
0 |
| OW |
16 |
1603 |
166 |
255 |
52 |
14 |
1 |
0 |
| VODI |
2 |
721 |
197 |
580 |
246 |
86 |
16 |
0 |
| ODI |
0 |
279 |
58 |
266 |
587 |
313 |
106 |
0 |
| CDI |
0 |
327 |
119 |
374 |
1556 |
2516 |
1280 |
1 |
| VCDI |
0 |
7 |
10 |
65 |
555 |
5126 |
20331 |
4325 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1366 |
2299 |
42 |
33 |
10 |
0 |
0 |
0 |
| OW |
32 |
1594 |
156 |
258 |
49 |
16 |
1 |
0 |
| VODI |
1 |
716 |
193 |
569 |
244 |
77 |
14 |
0 |
| ODI |
0 |
273 |
65 |
243 |
555 |
329 |
106 |
0 |
| CDI |
0 |
329 |
109 |
378 |
1538 |
2515 |
1225 |
0 |
| VCDI |
0 |
4 |
15 |
78 |
602 |
5118 |
20388 |
4326 |
|
Date: 2024-06-15:
| 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 |
1471 |
2205 |
39 |
28 |
4 |
0 |
0 |
0 |
| OW |
4 |
1526 |
201 |
291 |
77 |
30 |
1 |
0 |
| VODI |
1 |
754 |
148 |
466 |
313 |
146 |
37 |
0 |
| ODI |
0 |
357 |
89 |
213 |
554 |
291 |
137 |
0 |
| CDI |
0 |
370 |
116 |
367 |
1139 |
2369 |
1075 |
19 |
| VCDI |
0 |
39 |
40 |
105 |
678 |
10736 |
16782 |
2648 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1472 |
2261 |
45 |
49 |
10 |
0 |
0 |
0 |
| OW |
3 |
1520 |
183 |
275 |
93 |
34 |
0 |
0 |
| VODI |
1 |
706 |
160 |
462 |
297 |
137 |
31 |
0 |
| ODI |
0 |
338 |
89 |
213 |
517 |
293 |
138 |
1 |
| CDI |
0 |
383 |
107 |
345 |
1189 |
2392 |
1152 |
14 |
| VCDI |
0 |
43 |
49 |
126 |
659 |
10716 |
16711 |
2652 |
|
Date: 2024-06-17:
| 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 |
1158 |
3044 |
128 |
59 |
4 |
1 |
0 |
0 |
| OW |
61 |
1804 |
249 |
231 |
40 |
6 |
1 |
0 |
| VODI |
17 |
503 |
200 |
693 |
322 |
16 |
19 |
0 |
| ODI |
2 |
185 |
91 |
459 |
1024 |
448 |
51 |
0 |
| CDI |
0 |
50 |
45 |
265 |
1202 |
5628 |
816 |
0 |
| VCDI |
0 |
0 |
3 |
42 |
887 |
10294 |
11915 |
3903 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1152 |
2544 |
97 |
48 |
4 |
0 |
0 |
0 |
| OW |
23 |
1511 |
234 |
339 |
111 |
15 |
14 |
0 |
| VODI |
42 |
667 |
135 |
386 |
316 |
112 |
67 |
0 |
| ODI |
21 |
349 |
88 |
275 |
461 |
260 |
96 |
0 |
| CDI |
0 |
490 |
133 |
523 |
1295 |
2742 |
1837 |
29 |
| VCDI |
0 |
25 |
29 |
178 |
1292 |
13264 |
10788 |
3874 |
|
Date: 2024-06-19:
| 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 |
1661 |
2749 |
59 |
39 |
5 |
0 |
0 |
0 |
| OW |
2 |
1901 |
186 |
173 |
42 |
0 |
0 |
0 |
| VODI |
0 |
710 |
217 |
651 |
368 |
61 |
14 |
0 |
| ODI |
0 |
168 |
86 |
411 |
979 |
420 |
99 |
0 |
| CDI |
0 |
96 |
45 |
240 |
1532 |
5253 |
1387 |
0 |
| VCDI |
0 |
4 |
10 |
50 |
1166 |
14902 |
9146 |
1034 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1660 |
2147 |
48 |
46 |
12 |
0 |
0 |
0 |
| OW |
1 |
1636 |
208 |
254 |
94 |
24 |
0 |
0 |
| VODI |
2 |
813 |
107 |
350 |
337 |
104 |
13 |
0 |
| ODI |
0 |
495 |
90 |
253 |
421 |
246 |
131 |
0 |
| CDI |
0 |
502 |
109 |
506 |
1968 |
3188 |
1740 |
0 |
| VCDI |
0 |
35 |
41 |
155 |
1260 |
17074 |
8762 |
1034 |
|
Date: 2024-06-21:
| 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 |
1703 |
2914 |
44 |
32 |
7 |
0 |
0 |
0 |
| OW |
63 |
1587 |
234 |
239 |
67 |
4 |
3 |
0 |
| VODI |
21 |
695 |
190 |
627 |
445 |
159 |
25 |
0 |
| ODI |
5 |
234 |
95 |
497 |
810 |
354 |
114 |
0 |
| CDI |
0 |
101 |
44 |
232 |
1767 |
4986 |
1349 |
0 |
| VCDI |
0 |
31 |
23 |
224 |
1623 |
15658 |
7925 |
735 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1683 |
2283 |
37 |
33 |
17 |
0 |
0 |
0 |
| OW |
56 |
1366 |
202 |
295 |
133 |
52 |
0 |
0 |
| VODI |
46 |
797 |
120 |
348 |
298 |
140 |
19 |
0 |
| ODI |
7 |
524 |
102 |
309 |
414 |
273 |
149 |
0 |
| CDI |
0 |
536 |
120 |
568 |
2147 |
3741 |
1582 |
76 |
| VCDI |
0 |
56 |
49 |
298 |
1710 |
16955 |
7666 |
659 |
|
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