Validation of sea ice concentration
Bulletin date: 2022-05-26
Model vs. observations, sea ice class contingency tables
Date: 2022-05-20:
| 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 |
13481 |
5716 |
878 |
852 |
232 |
75 |
61 |
0 |
| OW |
4 |
20 |
74 |
201 |
140 |
88 |
65 |
0 |
| VODI |
0 |
15 |
81 |
166 |
200 |
130 |
185 |
0 |
| ODI |
0 |
2 |
42 |
101 |
189 |
219 |
403 |
0 |
| CDI |
0 |
0 |
28 |
124 |
224 |
696 |
1724 |
0 |
| VCDI |
0 |
0 |
72 |
160 |
195 |
480 |
6351 |
4485 |
|
...date precedes bulletin
|
Date: 2022-05-24:
| 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 |
13907 |
5604 |
1076 |
476 |
230 |
68 |
34 |
0 |
| OW |
3 |
1 |
90 |
188 |
167 |
102 |
20 |
3 |
| VODI |
0 |
0 |
74 |
214 |
290 |
289 |
85 |
6 |
| ODI |
0 |
0 |
38 |
108 |
247 |
586 |
396 |
2 |
| CDI |
0 |
0 |
44 |
107 |
251 |
776 |
2413 |
7 |
| VCDI |
0 |
0 |
25 |
58 |
90 |
226 |
5507 |
4351 |
|
...date precedes bulletin
|
Date: 2022-05-26:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2022-05-30:
| 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 |
14632 |
5548 |
1349 |
920 |
190 |
39 |
47 |
0 |
| OW |
0 |
5 |
95 |
438 |
168 |
75 |
31 |
0 |
| VODI |
0 |
2 |
23 |
469 |
354 |
241 |
98 |
0 |
| ODI |
0 |
1 |
6 |
234 |
368 |
631 |
305 |
1 |
| CDI |
0 |
0 |
9 |
185 |
452 |
1202 |
2205 |
5 |
| VCDI |
0 |
0 |
10 |
40 |
88 |
383 |
4298 |
3012 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14632 |
5549 |
1220 |
722 |
129 |
61 |
56 |
0 |
| OW |
0 |
4 |
90 |
299 |
103 |
58 |
35 |
0 |
| VODI |
0 |
2 |
74 |
316 |
248 |
192 |
125 |
0 |
| ODI |
0 |
1 |
74 |
465 |
349 |
389 |
311 |
1 |
| CDI |
0 |
0 |
22 |
407 |
620 |
1336 |
2040 |
7 |
| VCDI |
0 |
0 |
12 |
77 |
171 |
535 |
4417 |
3010 |
|
Date: 2022-06-01:
| 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 |
14649 |
5603 |
1391 |
1083 |
323 |
81 |
50 |
0 |
| OW |
0 |
7 |
62 |
297 |
257 |
129 |
56 |
0 |
| VODI |
0 |
3 |
30 |
246 |
375 |
286 |
162 |
0 |
| ODI |
0 |
0 |
15 |
125 |
274 |
586 |
396 |
0 |
| CDI |
0 |
0 |
9 |
107 |
325 |
878 |
2547 |
3 |
| VCDI |
0 |
0 |
1 |
32 |
62 |
176 |
4023 |
3510 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14649 |
5600 |
1187 |
617 |
180 |
62 |
60 |
0 |
| OW |
0 |
8 |
120 |
280 |
135 |
86 |
52 |
0 |
| VODI |
0 |
4 |
84 |
361 |
309 |
240 |
210 |
0 |
| ODI |
0 |
1 |
83 |
277 |
398 |
407 |
373 |
0 |
| CDI |
0 |
0 |
28 |
304 |
435 |
1018 |
2240 |
4 |
| VCDI |
0 |
0 |
6 |
51 |
159 |
323 |
4299 |
3509 |
|
Date: 2022-06-03:
| 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 |
14804 |
5455 |
1790 |
871 |
379 |
108 |
50 |
2 |
| OW |
0 |
6 |
91 |
298 |
232 |
132 |
58 |
1 |
| VODI |
0 |
1 |
58 |
242 |
299 |
294 |
181 |
1 |
| ODI |
0 |
0 |
19 |
118 |
248 |
427 |
455 |
0 |
| CDI |
0 |
0 |
23 |
110 |
339 |
803 |
2806 |
0 |
| VCDI |
0 |
0 |
5 |
34 |
52 |
160 |
3729 |
3478 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
14804 |
5456 |
1431 |
444 |
195 |
60 |
72 |
2 |
| OW |
0 |
5 |
182 |
253 |
121 |
98 |
70 |
1 |
| VODI |
0 |
1 |
138 |
350 |
300 |
224 |
333 |
1 |
| ODI |
0 |
0 |
108 |
294 |
307 |
327 |
333 |
0 |
| CDI |
0 |
0 |
122 |
262 |
476 |
844 |
2652 |
6 |
| VCDI |
0 |
0 |
5 |
70 |
150 |
371 |
3819 |
3472 |
|
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