Validation of sea ice concentration
Bulletin date: 2022-06-02
Model vs. observations, sea ice class contingency tables
Date: 2022-05-27:
| 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 |
13607 |
5462 |
1812 |
760 |
158 |
21 |
31 |
10 |
| OW |
1 |
2 |
87 |
324 |
150 |
61 |
45 |
6 |
| VODI |
0 |
0 |
55 |
333 |
295 |
170 |
128 |
4 |
| ODI |
0 |
0 |
41 |
316 |
439 |
397 |
289 |
1 |
| CDI |
0 |
1 |
11 |
225 |
436 |
1142 |
1870 |
0 |
| VCDI |
0 |
0 |
15 |
70 |
211 |
552 |
4604 |
4017 |
|
...date precedes bulletin
|
Date: 2022-05-31:
| 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 |
14719 |
5637 |
1195 |
1193 |
198 |
32 |
55 |
0 |
| OW |
0 |
6 |
42 |
406 |
190 |
93 |
45 |
0 |
| VODI |
0 |
0 |
25 |
387 |
353 |
216 |
116 |
0 |
| ODI |
0 |
0 |
9 |
211 |
299 |
602 |
369 |
0 |
| CDI |
0 |
0 |
23 |
155 |
433 |
988 |
2382 |
7 |
| VCDI |
0 |
0 |
7 |
34 |
62 |
315 |
4280 |
3075 |
|
...date precedes bulletin
|
Date: 2022-06-02:
| 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 |
14690 |
5594 |
1363 |
1071 |
404 |
123 |
54 |
0 |
| OW |
0 |
7 |
54 |
288 |
295 |
124 |
63 |
0 |
| VODI |
0 |
2 |
35 |
204 |
354 |
319 |
175 |
0 |
| ODI |
0 |
0 |
19 |
118 |
263 |
493 |
437 |
0 |
| CDI |
0 |
0 |
8 |
85 |
347 |
911 |
2586 |
0 |
| VCDI |
0 |
0 |
2 |
37 |
67 |
184 |
3935 |
3448 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14690 |
5596 |
1375 |
1096 |
409 |
127 |
73 |
0 |
| OW |
0 |
6 |
41 |
262 |
274 |
125 |
49 |
0 |
| VODI |
0 |
1 |
37 |
211 |
362 |
296 |
159 |
0 |
| ODI |
0 |
0 |
15 |
102 |
281 |
499 |
384 |
0 |
| CDI |
0 |
0 |
11 |
94 |
334 |
913 |
2622 |
0 |
| VCDI |
0 |
0 |
2 |
38 |
70 |
194 |
3963 |
3448 |
|
Date: 2022-06-06:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2022-06-08:
| 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 |
15269 |
6198 |
1753 |
743 |
331 |
60 |
65 |
0 |
| OW |
0 |
22 |
147 |
264 |
167 |
97 |
49 |
0 |
| VODI |
0 |
2 |
74 |
251 |
300 |
278 |
182 |
0 |
| ODI |
0 |
3 |
43 |
137 |
310 |
480 |
597 |
0 |
| CDI |
0 |
1 |
51 |
106 |
215 |
702 |
2585 |
0 |
| VCDI |
0 |
0 |
15 |
27 |
59 |
177 |
3018 |
3381 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15269 |
6141 |
1599 |
669 |
348 |
110 |
102 |
0 |
| OW |
0 |
47 |
167 |
170 |
141 |
97 |
69 |
0 |
| VODI |
0 |
22 |
145 |
286 |
217 |
178 |
258 |
0 |
| ODI |
0 |
11 |
49 |
172 |
289 |
354 |
544 |
0 |
| CDI |
0 |
5 |
110 |
200 |
322 |
836 |
2481 |
0 |
| VCDI |
0 |
0 |
13 |
31 |
65 |
219 |
3042 |
3381 |
|
Date: 2022-06-10:
| 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 |
15323 |
6477 |
1740 |
582 |
351 |
111 |
65 |
0 |
| OW |
0 |
33 |
127 |
198 |
262 |
157 |
52 |
0 |
| VODI |
0 |
11 |
88 |
212 |
294 |
315 |
239 |
0 |
| ODI |
0 |
0 |
77 |
133 |
230 |
399 |
733 |
0 |
| CDI |
0 |
0 |
74 |
124 |
254 |
696 |
2409 |
0 |
| VCDI |
0 |
0 |
9 |
25 |
54 |
149 |
2783 |
3373 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15323 |
6313 |
1555 |
533 |
402 |
203 |
105 |
0 |
| OW |
0 |
122 |
139 |
151 |
142 |
113 |
72 |
0 |
| VODI |
0 |
66 |
124 |
206 |
259 |
248 |
291 |
0 |
| ODI |
0 |
20 |
116 |
147 |
250 |
322 |
678 |
0 |
| CDI |
0 |
0 |
173 |
200 |
327 |
761 |
2386 |
0 |
| VCDI |
0 |
0 |
8 |
37 |
65 |
180 |
2749 |
3373 |
|
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