Validation of sea ice concentration - American sector
Bulletin date: 2023-12-14
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2023-12-08:
| 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 |
2090 |
3804 |
358 |
519 |
5 |
0 |
0 |
9 |
| OW |
46 |
708 |
166 |
642 |
157 |
0 |
0 |
13 |
| VODI |
15 |
353 |
85 |
355 |
381 |
36 |
0 |
7 |
| ODI |
3 |
82 |
27 |
167 |
246 |
202 |
0 |
4 |
| CDI |
0 |
0 |
0 |
39 |
233 |
612 |
15 |
21 |
| VCDI |
0 |
0 |
0 |
15 |
153 |
1978 |
7854 |
24466 |
|
...date precedes bulletin
|
Date: 2023-12-10:
| 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 |
1559 |
2975 |
266 |
415 |
93 |
0 |
0 |
5 |
| OW |
61 |
647 |
109 |
691 |
539 |
55 |
0 |
12 |
| VODI |
0 |
346 |
83 |
341 |
583 |
213 |
0 |
9 |
| ODI |
0 |
75 |
25 |
89 |
351 |
344 |
0 |
6 |
| CDI |
0 |
0 |
0 |
23 |
197 |
624 |
80 |
1 |
| VCDI |
0 |
0 |
0 |
6 |
94 |
1644 |
6617 |
26688 |
|
...date precedes bulletin
|
Date: 2023-12-12:
| 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 |
925 |
2537 |
370 |
512 |
61 |
0 |
0 |
0 |
| OW |
62 |
195 |
146 |
550 |
168 |
12 |
0 |
0 |
| VODI |
7 |
74 |
46 |
631 |
412 |
56 |
0 |
0 |
| ODI |
0 |
12 |
0 |
189 |
657 |
336 |
0 |
0 |
| CDI |
0 |
0 |
0 |
37 |
515 |
1156 |
65 |
3 |
| VCDI |
0 |
0 |
0 |
1 |
180 |
2104 |
7071 |
26776 |
|
...date precedes bulletin
|
Date: 2023-12-14:
| 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 |
475 |
2098 |
204 |
551 |
61 |
22 |
0 |
0 |
| OW |
3 |
253 |
145 |
462 |
284 |
65 |
0 |
0 |
| VODI |
0 |
84 |
50 |
441 |
415 |
163 |
0 |
0 |
| ODI |
0 |
19 |
13 |
311 |
471 |
187 |
10 |
0 |
| CDI |
0 |
1 |
1 |
125 |
574 |
531 |
38 |
0 |
| VCDI |
0 |
0 |
0 |
4 |
517 |
3179 |
6116 |
27993 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
468 |
2146 |
212 |
577 |
148 |
38 |
0 |
0 |
| OW |
10 |
229 |
130 |
439 |
258 |
78 |
0 |
0 |
| VODI |
0 |
63 |
54 |
440 |
343 |
185 |
0 |
0 |
| ODI |
0 |
16 |
16 |
336 |
524 |
250 |
13 |
0 |
| CDI |
0 |
1 |
1 |
102 |
547 |
440 |
40 |
2 |
| VCDI |
0 |
0 |
0 |
0 |
502 |
3156 |
6111 |
27991 |
|
Date: 2023-12-16:
| 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 |
115 |
1912 |
213 |
426 |
312 |
8 |
0 |
0 |
| OW |
6 |
213 |
26 |
542 |
407 |
120 |
0 |
0 |
| VODI |
0 |
120 |
21 |
241 |
343 |
378 |
0 |
0 |
| ODI |
0 |
22 |
7 |
101 |
306 |
309 |
47 |
0 |
| CDI |
0 |
2 |
5 |
45 |
343 |
533 |
215 |
0 |
| VCDI |
0 |
6 |
4 |
106 |
378 |
2894 |
5743 |
29397 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
111 |
1934 |
215 |
515 |
420 |
50 |
0 |
0 |
| OW |
9 |
201 |
24 |
418 |
293 |
119 |
0 |
0 |
| VODI |
1 |
122 |
23 |
276 |
344 |
363 |
14 |
0 |
| ODI |
0 |
10 |
5 |
95 |
297 |
365 |
88 |
0 |
| CDI |
0 |
2 |
5 |
42 |
348 |
498 |
309 |
0 |
| VCDI |
0 |
6 |
4 |
115 |
387 |
2847 |
5594 |
29397 |
|
Date: 2023-12-18:
| 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 |
174 |
1410 |
131 |
336 |
178 |
230 |
0 |
0 |
| OW |
13 |
135 |
27 |
396 |
266 |
264 |
0 |
0 |
| VODI |
0 |
22 |
4 |
291 |
235 |
487 |
0 |
0 |
| ODI |
0 |
2 |
0 |
198 |
223 |
434 |
38 |
0 |
| CDI |
0 |
0 |
0 |
84 |
205 |
532 |
158 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
351 |
3255 |
6474 |
29280 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
175 |
1464 |
135 |
347 |
260 |
219 |
0 |
0 |
| OW |
12 |
83 |
17 |
254 |
173 |
252 |
0 |
0 |
| VODI |
0 |
21 |
10 |
386 |
224 |
517 |
0 |
0 |
| ODI |
0 |
1 |
0 |
207 |
237 |
479 |
28 |
0 |
| CDI |
0 |
0 |
0 |
111 |
222 |
566 |
197 |
0 |
| VCDI |
0 |
0 |
0 |
33 |
342 |
3169 |
6445 |
29280 |
|
Date: 2023-12-20:
| 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 |
61 |
972 |
104 |
218 |
146 |
53 |
0 |
0 |
| OW |
36 |
241 |
66 |
215 |
183 |
207 |
0 |
0 |
| VODI |
6 |
39 |
6 |
131 |
355 |
671 |
23 |
0 |
| ODI |
0 |
0 |
2 |
40 |
258 |
385 |
148 |
0 |
| CDI |
0 |
0 |
0 |
2 |
287 |
440 |
380 |
13 |
| VCDI |
0 |
0 |
0 |
0 |
200 |
2627 |
8080 |
29271 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
70 |
963 |
115 |
239 |
203 |
139 |
0 |
0 |
| OW |
33 |
225 |
36 |
170 |
151 |
283 |
3 |
0 |
| VODI |
0 |
59 |
22 |
126 |
303 |
563 |
64 |
0 |
| ODI |
0 |
5 |
5 |
61 |
241 |
397 |
235 |
0 |
| CDI |
0 |
0 |
0 |
8 |
312 |
364 |
348 |
3 |
| VCDI |
0 |
0 |
0 |
2 |
219 |
2637 |
7981 |
29281 |
|
Date: 2023-12-22:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
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