Validation of sea ice concentration
Bulletin date: 2022-06-16
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-06-14:
| 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 |
15640 |
6666 |
1777 |
731 |
306 |
112 |
81 |
0 |
| OW |
0 |
35 |
123 |
273 |
204 |
150 |
57 |
0 |
| VODI |
0 |
11 |
78 |
259 |
375 |
366 |
209 |
0 |
| ODI |
0 |
1 |
39 |
79 |
236 |
817 |
761 |
0 |
| CDI |
0 |
0 |
41 |
93 |
176 |
551 |
1412 |
0 |
| VCDI |
0 |
0 |
3 |
12 |
24 |
103 |
2859 |
3499 |
|
...date precedes bulletin
|
Date: 2022-06-16:
| 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 |
16235 |
6534 |
1546 |
763 |
330 |
208 |
84 |
0 |
| OW |
0 |
31 |
80 |
235 |
240 |
280 |
61 |
0 |
| VODI |
0 |
11 |
72 |
147 |
309 |
580 |
240 |
0 |
| ODI |
0 |
4 |
32 |
57 |
178 |
631 |
688 |
0 |
| CDI |
0 |
0 |
29 |
99 |
152 |
536 |
1304 |
0 |
| VCDI |
0 |
0 |
3 |
23 |
15 |
83 |
2779 |
3560 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16235 |
6549 |
1565 |
810 |
377 |
287 |
98 |
0 |
| OW |
0 |
20 |
69 |
209 |
204 |
214 |
63 |
0 |
| VODI |
0 |
7 |
62 |
128 |
301 |
536 |
224 |
0 |
| ODI |
0 |
4 |
30 |
55 |
178 |
662 |
640 |
0 |
| CDI |
0 |
0 |
33 |
97 |
151 |
536 |
1362 |
0 |
| VCDI |
0 |
0 |
3 |
25 |
13 |
83 |
2769 |
3560 |
|
Date: 2022-06-20:
| 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 |
16802 |
6658 |
1315 |
1184 |
345 |
102 |
101 |
0 |
| OW |
0 |
13 |
97 |
408 |
211 |
118 |
94 |
0 |
| VODI |
0 |
1 |
55 |
345 |
393 |
368 |
286 |
0 |
| ODI |
0 |
0 |
18 |
83 |
226 |
372 |
578 |
0 |
| CDI |
0 |
0 |
21 |
132 |
110 |
352 |
970 |
32 |
| VCDI |
0 |
0 |
2 |
15 |
25 |
51 |
2422 |
3854 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
16802 |
6635 |
1318 |
1274 |
434 |
158 |
136 |
0 |
| OW |
0 |
25 |
74 |
311 |
205 |
173 |
110 |
0 |
| VODI |
0 |
10 |
51 |
247 |
295 |
223 |
280 |
0 |
| ODI |
0 |
2 |
27 |
148 |
215 |
348 |
457 |
0 |
| CDI |
0 |
0 |
35 |
166 |
119 |
352 |
1028 |
107 |
| VCDI |
0 |
0 |
3 |
21 |
42 |
109 |
2440 |
3779 |
|
Date: 2022-06-22:
| 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 |
17404 |
6137 |
1796 |
1069 |
387 |
122 |
88 |
0 |
| OW |
0 |
26 |
109 |
347 |
379 |
197 |
60 |
0 |
| VODI |
0 |
21 |
69 |
169 |
361 |
337 |
190 |
0 |
| ODI |
0 |
14 |
33 |
51 |
147 |
370 |
398 |
0 |
| CDI |
0 |
3 |
56 |
120 |
134 |
265 |
750 |
0 |
| VCDI |
0 |
0 |
1 |
17 |
19 |
94 |
2354 |
4065 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
17404 |
6104 |
1734 |
1056 |
478 |
242 |
112 |
0 |
| OW |
0 |
33 |
107 |
246 |
205 |
171 |
66 |
0 |
| VODI |
0 |
32 |
92 |
205 |
316 |
235 |
210 |
0 |
| ODI |
0 |
21 |
67 |
131 |
219 |
271 |
335 |
0 |
| CDI |
0 |
11 |
63 |
118 |
191 |
348 |
1050 |
0 |
| VCDI |
0 |
0 |
1 |
17 |
18 |
118 |
2067 |
4065 |
|
Date: 2022-06-24:
| 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 |
18223 |
5930 |
1809 |
1040 |
220 |
74 |
115 |
0 |
| OW |
0 |
47 |
183 |
501 |
217 |
109 |
60 |
0 |
| VODI |
0 |
50 |
51 |
250 |
247 |
156 |
172 |
0 |
| ODI |
0 |
40 |
25 |
82 |
143 |
160 |
396 |
0 |
| CDI |
0 |
63 |
88 |
117 |
202 |
126 |
649 |
0 |
| VCDI |
0 |
0 |
8 |
25 |
63 |
67 |
2341 |
4110 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
18223 |
5843 |
1709 |
1040 |
304 |
153 |
144 |
0 |
| OW |
0 |
84 |
159 |
307 |
129 |
95 |
71 |
0 |
| VODI |
0 |
71 |
145 |
294 |
157 |
107 |
186 |
0 |
| ODI |
0 |
51 |
47 |
214 |
136 |
121 |
325 |
0 |
| CDI |
0 |
81 |
101 |
146 |
328 |
171 |
1126 |
3 |
| VCDI |
0 |
0 |
3 |
14 |
38 |
45 |
1881 |
4107 |
|
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