Validation of sea ice concentration - American sector
Bulletin date: 2024-08-01
Data source: OSI SAF N.H. multi-product sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2024-07-26:
| 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 |
20820 |
6947 |
71 |
76 |
15 |
0 |
0 |
0 |
| OW |
5 |
1598 |
422 |
696 |
52 |
0 |
0 |
0 |
| VODI |
0 |
198 |
199 |
3398 |
618 |
0 |
0 |
0 |
| ODI |
0 |
66 |
1 |
793 |
5621 |
1330 |
1 |
0 |
| CDI |
0 |
131 |
1 |
72 |
2686 |
10261 |
1888 |
0 |
| VCDI |
0 |
16 |
1 |
78 |
905 |
1563 |
702 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-28:
| 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 |
21575 |
6418 |
60 |
124 |
0 |
0 |
0 |
0 |
| OW |
99 |
1970 |
439 |
696 |
27 |
0 |
0 |
0 |
| VODI |
0 |
339 |
303 |
2732 |
680 |
10 |
0 |
0 |
| ODI |
1 |
75 |
8 |
748 |
5042 |
1252 |
40 |
0 |
| CDI |
0 |
109 |
3 |
155 |
2192 |
10895 |
2602 |
0 |
| VCDI |
0 |
49 |
20 |
182 |
805 |
1132 |
449 |
0 |
|
...date precedes bulletin
|
Date: 2024-07-30:
| 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 |
22081 |
7301 |
51 |
100 |
1 |
0 |
0 |
0 |
| OW |
40 |
1846 |
677 |
456 |
24 |
0 |
0 |
0 |
| VODI |
8 |
117 |
138 |
3125 |
496 |
3 |
0 |
0 |
| ODI |
1 |
91 |
3 |
239 |
5492 |
562 |
0 |
0 |
| CDI |
0 |
76 |
11 |
147 |
1399 |
12273 |
634 |
0 |
| VCDI |
0 |
1 |
0 |
142 |
602 |
1436 |
1658 |
0 |
|
...date precedes bulletin
|
Date: 2024-08-01:
| 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 |
22451 |
7380 |
71 |
52 |
0 |
0 |
0 |
0 |
| OW |
69 |
2176 |
436 |
483 |
5 |
0 |
0 |
0 |
| VODI |
10 |
500 |
249 |
2558 |
510 |
0 |
0 |
0 |
| ODI |
0 |
83 |
11 |
409 |
4445 |
492 |
2 |
0 |
| CDI |
0 |
79 |
21 |
197 |
2216 |
12261 |
760 |
0 |
| VCDI |
0 |
86 |
48 |
244 |
489 |
2369 |
69 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
22428 |
7383 |
62 |
43 |
0 |
0 |
0 |
0 |
| OW |
95 |
2137 |
421 |
521 |
2 |
0 |
0 |
0 |
| VODI |
7 |
526 |
273 |
2390 |
555 |
2 |
0 |
0 |
| ODI |
0 |
86 |
13 |
545 |
4142 |
560 |
7 |
0 |
| CDI |
0 |
87 |
20 |
209 |
2497 |
12103 |
736 |
0 |
| VCDI |
0 |
85 |
47 |
235 |
469 |
2457 |
88 |
0 |
|
Date: 2024-08-03:
| 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 |
23868 |
6066 |
18 |
2 |
0 |
0 |
0 |
0 |
| OW |
88 |
2802 |
294 |
277 |
13 |
0 |
0 |
0 |
| VODI |
16 |
693 |
388 |
2366 |
390 |
0 |
0 |
0 |
| ODI |
1 |
96 |
6 |
476 |
4828 |
477 |
0 |
0 |
| CDI |
0 |
121 |
33 |
181 |
2825 |
10962 |
708 |
0 |
| VCDI |
0 |
78 |
41 |
240 |
594 |
1105 |
1178 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
23799 |
6043 |
22 |
1 |
0 |
0 |
0 |
0 |
| OW |
166 |
2793 |
287 |
314 |
10 |
0 |
0 |
0 |
| VODI |
7 |
718 |
391 |
2208 |
476 |
0 |
0 |
0 |
| ODI |
1 |
96 |
8 |
602 |
4525 |
587 |
0 |
0 |
| CDI |
0 |
130 |
33 |
198 |
3063 |
10703 |
618 |
0 |
| VCDI |
0 |
76 |
39 |
219 |
576 |
1254 |
1268 |
0 |
|
Date: 2024-08-05:
| 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 |
26408 |
4985 |
10 |
0 |
0 |
0 |
0 |
0 |
| OW |
460 |
2424 |
431 |
320 |
6 |
0 |
0 |
0 |
| VODI |
6 |
153 |
43 |
2763 |
246 |
0 |
0 |
0 |
| ODI |
1 |
73 |
16 |
195 |
8329 |
500 |
0 |
0 |
| CDI |
0 |
104 |
58 |
291 |
942 |
10127 |
48 |
0 |
| VCDI |
0 |
1 |
0 |
41 |
296 |
1664 |
290 |
0 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
25931 |
4177 |
10 |
2 |
0 |
0 |
0 |
0 |
| OW |
920 |
2348 |
159 |
365 |
12 |
0 |
0 |
0 |
| VODI |
22 |
842 |
282 |
2014 |
521 |
4 |
0 |
0 |
| ODI |
2 |
108 |
12 |
805 |
4711 |
765 |
0 |
0 |
| CDI |
0 |
168 |
41 |
194 |
4063 |
8540 |
271 |
0 |
| VCDI |
0 |
97 |
54 |
230 |
512 |
2982 |
67 |
0 |
|
Date: 2024-08-07:
| 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 |
27387 |
4896 |
2 |
3 |
5 |
0 |
0 |
0 |
| OW |
285 |
2363 |
220 |
186 |
36 |
0 |
0 |
0 |
| VODI |
4 |
339 |
271 |
2507 |
308 |
3 |
0 |
0 |
| ODI |
0 |
77 |
19 |
308 |
7312 |
1258 |
0 |
0 |
| CDI |
0 |
78 |
33 |
364 |
835 |
6394 |
2714 |
228 |
| VCDI |
0 |
57 |
10 |
140 |
469 |
864 |
901 |
355 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
26712 |
3801 |
1 |
5 |
2 |
0 |
0 |
0 |
| OW |
948 |
2504 |
145 |
339 |
26 |
0 |
0 |
0 |
| VODI |
16 |
1063 |
282 |
1644 |
418 |
46 |
0 |
0 |
| ODI |
0 |
142 |
51 |
929 |
4307 |
878 |
33 |
0 |
| CDI |
0 |
178 |
32 |
215 |
3610 |
6378 |
2325 |
123 |
| VCDI |
0 |
122 |
44 |
376 |
602 |
1217 |
1257 |
460 |
|
Date: 2024-08-09:
| 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 |
29251 |
3835 |
14 |
9 |
4 |
0 |
0 |
0 |
| OW |
411 |
1850 |
134 |
165 |
41 |
0 |
0 |
0 |
| VODI |
29 |
547 |
307 |
2421 |
181 |
12 |
0 |
0 |
| ODI |
1 |
75 |
20 |
571 |
6463 |
1267 |
60 |
0 |
| CDI |
0 |
100 |
29 |
380 |
1281 |
5967 |
2729 |
317 |
| VCDI |
0 |
160 |
25 |
140 |
239 |
442 |
989 |
765 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
28238 |
2733 |
13 |
6 |
2 |
0 |
0 |
0 |
| OW |
1347 |
2122 |
131 |
442 |
26 |
10 |
0 |
0 |
| VODI |
82 |
1118 |
240 |
1496 |
464 |
35 |
0 |
0 |
| ODI |
25 |
179 |
62 |
1158 |
3527 |
824 |
44 |
0 |
| CDI |
0 |
186 |
34 |
246 |
3844 |
5828 |
2657 |
235 |
| VCDI |
0 |
229 |
49 |
338 |
346 |
991 |
1077 |
847 |
|
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