Validation of sea ice concentration - American sector
Bulletin date: 2024-08-08
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-08-02:
| 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 |
22804 |
7147 |
32 |
20 |
0 |
0 |
0 |
0 |
| OW |
61 |
2483 |
398 |
393 |
9 |
0 |
0 |
0 |
| VODI |
12 |
533 |
274 |
2547 |
468 |
1 |
0 |
0 |
| ODI |
2 |
100 |
10 |
406 |
4473 |
493 |
0 |
0 |
| CDI |
0 |
108 |
23 |
175 |
2990 |
10865 |
1059 |
0 |
| VCDI |
0 |
96 |
45 |
230 |
519 |
1290 |
1165 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-04:
| 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 |
25471 |
4585 |
13 |
0 |
0 |
0 |
0 |
0 |
| OW |
854 |
2182 |
213 |
254 |
11 |
0 |
0 |
0 |
| VODI |
39 |
875 |
402 |
2137 |
377 |
0 |
0 |
0 |
| ODI |
2 |
98 |
17 |
719 |
5204 |
168 |
0 |
0 |
| CDI |
0 |
133 |
42 |
232 |
3652 |
9793 |
397 |
0 |
| VCDI |
0 |
75 |
46 |
246 |
525 |
1649 |
820 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-06:
| 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 |
26813 |
4941 |
10 |
4 |
1 |
0 |
0 |
0 |
| OW |
413 |
2465 |
322 |
225 |
15 |
0 |
0 |
0 |
| VODI |
19 |
200 |
157 |
2761 |
226 |
0 |
0 |
0 |
| ODI |
4 |
77 |
10 |
348 |
7796 |
864 |
0 |
0 |
| CDI |
0 |
124 |
48 |
322 |
1022 |
8549 |
1062 |
0 |
| VCDI |
0 |
1 |
1 |
69 |
434 |
1840 |
88 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-08:
| 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 |
27937 |
4763 |
10 |
7 |
4 |
0 |
0 |
0 |
| OW |
191 |
2277 |
175 |
157 |
41 |
0 |
0 |
0 |
| VODI |
16 |
487 |
285 |
2488 |
168 |
9 |
0 |
0 |
| ODI |
0 |
78 |
17 |
580 |
6481 |
1613 |
32 |
0 |
| CDI |
0 |
85 |
24 |
298 |
958 |
6364 |
2499 |
283 |
| VCDI |
0 |
132 |
41 |
196 |
328 |
616 |
1004 |
587 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
27848 |
4776 |
10 |
20 |
2 |
0 |
0 |
0 |
| OW |
282 |
2212 |
172 |
178 |
28 |
0 |
0 |
0 |
| VODI |
14 |
526 |
286 |
2386 |
247 |
7 |
0 |
0 |
| ODI |
0 |
82 |
18 |
649 |
6191 |
1502 |
22 |
0 |
| CDI |
0 |
101 |
32 |
298 |
1183 |
6501 |
2590 |
277 |
| VCDI |
0 |
125 |
34 |
195 |
329 |
592 |
923 |
593 |
|
Date: 2024-08-10:
| 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 |
29704 |
3527 |
5 |
4 |
4 |
0 |
0 |
0 |
| OW |
325 |
1903 |
148 |
164 |
30 |
0 |
0 |
0 |
| VODI |
29 |
622 |
404 |
2338 |
168 |
10 |
0 |
0 |
| ODI |
0 |
81 |
32 |
959 |
5753 |
883 |
81 |
0 |
| CDI |
0 |
144 |
39 |
444 |
1639 |
6291 |
2096 |
605 |
| VCDI |
0 |
178 |
12 |
82 |
203 |
479 |
1302 |
543 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
29651 |
3429 |
9 |
7 |
0 |
0 |
0 |
0 |
| OW |
385 |
1943 |
148 |
164 |
10 |
0 |
0 |
0 |
| VODI |
22 |
666 |
401 |
2292 |
277 |
3 |
0 |
0 |
| ODI |
0 |
86 |
31 |
996 |
5433 |
1110 |
60 |
0 |
| CDI |
0 |
161 |
41 |
439 |
1885 |
6124 |
2311 |
594 |
| VCDI |
0 |
170 |
10 |
93 |
192 |
426 |
1108 |
554 |
|
Date: 2024-08-12:
| 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 |
30243 |
4098 |
11 |
25 |
0 |
0 |
0 |
0 |
| OW |
141 |
2140 |
563 |
250 |
7 |
0 |
0 |
0 |
| VODI |
16 |
192 |
68 |
3246 |
319 |
6 |
0 |
0 |
| ODI |
0 |
63 |
9 |
368 |
7161 |
318 |
1 |
0 |
| CDI |
0 |
78 |
10 |
153 |
977 |
6741 |
210 |
0 |
| VCDI |
0 |
0 |
0 |
15 |
109 |
243 |
3450 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
30139 |
3322 |
1 |
18 |
0 |
0 |
0 |
0 |
| OW |
238 |
1991 |
158 |
99 |
8 |
0 |
0 |
0 |
| VODI |
20 |
772 |
414 |
2277 |
289 |
3 |
0 |
0 |
| ODI |
3 |
123 |
33 |
1253 |
5344 |
806 |
0 |
0 |
| CDI |
0 |
174 |
52 |
340 |
2627 |
6278 |
2666 |
0 |
| VCDI |
0 |
189 |
3 |
70 |
305 |
221 |
995 |
0 |
|
Date: 2024-08-14:
| 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 |
30746 |
3870 |
20 |
2 |
0 |
0 |
0 |
0 |
| OW |
98 |
2539 |
305 |
119 |
0 |
0 |
0 |
0 |
| VODI |
47 |
416 |
320 |
3425 |
261 |
1 |
3 |
0 |
| ODI |
10 |
73 |
12 |
659 |
5075 |
900 |
7 |
0 |
| CDI |
20 |
90 |
14 |
177 |
1459 |
6196 |
1819 |
0 |
| VCDI |
0 |
3 |
0 |
45 |
121 |
1191 |
1188 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
30633 |
3074 |
11 |
3 |
0 |
0 |
0 |
0 |
| OW |
170 |
1985 |
119 |
136 |
0 |
0 |
0 |
0 |
| VODI |
65 |
1295 |
424 |
1848 |
206 |
6 |
1 |
0 |
| ODI |
16 |
170 |
37 |
2148 |
4255 |
1282 |
25 |
0 |
| CDI |
22 |
308 |
77 |
218 |
2245 |
6790 |
2578 |
0 |
| VCDI |
15 |
159 |
3 |
74 |
210 |
210 |
413 |
0 |
|
Date: 2024-08-16:
| 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 |
31690 |
3167 |
22 |
0 |
0 |
0 |
0 |
0 |
| OW |
117 |
2668 |
159 |
70 |
0 |
0 |
0 |
0 |
| VODI |
26 |
654 |
479 |
3697 |
166 |
3 |
0 |
0 |
| ODI |
1 |
88 |
12 |
877 |
5000 |
451 |
0 |
0 |
| CDI |
0 |
118 |
10 |
141 |
1587 |
6500 |
1795 |
0 |
| VCDI |
0 |
0 |
0 |
77 |
181 |
436 |
1039 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
31437 |
2326 |
16 |
1 |
0 |
0 |
0 |
0 |
| OW |
353 |
1900 |
163 |
117 |
0 |
0 |
0 |
0 |
| VODI |
41 |
1722 |
350 |
1677 |
161 |
47 |
0 |
0 |
| ODI |
3 |
237 |
94 |
2746 |
3887 |
1369 |
1 |
0 |
| CDI |
0 |
305 |
59 |
250 |
2646 |
5719 |
2381 |
0 |
| VCDI |
0 |
205 |
0 |
71 |
240 |
255 |
452 |
0 |
|
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