Validation of sea ice concentration
Bulletin date: 2019-06-13
Model vs. observations, sea ice class contingency tables
Date: 2019-06-07:
| 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 |
16034 |
6123 |
1189 |
904 |
276 |
179 |
148 |
0 |
| OW |
0 |
10 |
155 |
202 |
191 |
158 |
132 |
0 |
| VODI |
0 |
0 |
65 |
142 |
182 |
293 |
449 |
0 |
| ODI |
0 |
0 |
27 |
38 |
56 |
287 |
1083 |
0 |
| CDI |
0 |
0 |
8 |
53 |
58 |
199 |
2847 |
10 |
| VCDI |
0 |
0 |
0 |
3 |
3 |
43 |
2484 |
4128 |
|
...date precedes bulletin
|
Date: 2019-06-11:
| 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 |
15648 |
5880 |
1671 |
866 |
345 |
212 |
191 |
0 |
| OW |
0 |
0 |
121 |
190 |
175 |
156 |
115 |
0 |
| VODI |
0 |
0 |
50 |
157 |
188 |
242 |
368 |
0 |
| ODI |
0 |
0 |
21 |
42 |
140 |
250 |
920 |
0 |
| CDI |
0 |
0 |
11 |
35 |
60 |
152 |
2983 |
0 |
| VCDI |
0 |
0 |
0 |
6 |
3 |
29 |
2571 |
4361 |
|
...date precedes bulletin
|
Date: 2019-06-13:
| 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 |
15492 |
5885 |
1600 |
1115 |
344 |
139 |
201 |
0 |
| OW |
0 |
0 |
96 |
292 |
233 |
157 |
157 |
0 |
| VODI |
0 |
0 |
46 |
219 |
222 |
314 |
400 |
0 |
| ODI |
0 |
0 |
20 |
54 |
118 |
434 |
1055 |
0 |
| CDI |
0 |
0 |
17 |
60 |
59 |
292 |
2551 |
18 |
| VCDI |
0 |
0 |
0 |
2 |
7 |
45 |
2387 |
4128 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15492 |
5885 |
1604 |
1171 |
397 |
154 |
225 |
0 |
| OW |
0 |
0 |
88 |
253 |
195 |
139 |
144 |
0 |
| VODI |
0 |
0 |
49 |
194 |
223 |
335 |
393 |
0 |
| ODI |
0 |
0 |
19 |
62 |
94 |
414 |
1061 |
0 |
| CDI |
0 |
0 |
19 |
60 |
67 |
291 |
2374 |
20 |
| VCDI |
0 |
0 |
0 |
2 |
7 |
48 |
2554 |
4126 |
|
Date: 2019-06-17:
| 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 |
15467 |
6051 |
1398 |
1239 |
447 |
136 |
155 |
0 |
| OW |
0 |
0 |
110 |
318 |
203 |
156 |
65 |
0 |
| VODI |
0 |
0 |
23 |
245 |
425 |
398 |
246 |
0 |
| ODI |
0 |
0 |
0 |
139 |
276 |
844 |
835 |
0 |
| CDI |
0 |
0 |
1 |
6 |
81 |
809 |
1437 |
0 |
| VCDI |
0 |
0 |
0 |
7 |
10 |
70 |
2679 |
3883 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15467 |
6051 |
1402 |
1309 |
587 |
232 |
225 |
0 |
| OW |
0 |
0 |
95 |
275 |
230 |
222 |
143 |
0 |
| VODI |
0 |
0 |
30 |
262 |
396 |
628 |
442 |
0 |
| ODI |
0 |
0 |
4 |
87 |
132 |
554 |
845 |
0 |
| CDI |
0 |
0 |
1 |
14 |
88 |
701 |
1398 |
1 |
| VCDI |
0 |
0 |
0 |
7 |
9 |
76 |
2364 |
3882 |
|
Date: 2019-06-19:
| 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 |
15602 |
5997 |
1413 |
1434 |
380 |
168 |
180 |
0 |
| OW |
0 |
6 |
72 |
307 |
309 |
160 |
121 |
0 |
| VODI |
0 |
0 |
11 |
164 |
385 |
599 |
535 |
0 |
| ODI |
0 |
0 |
1 |
35 |
112 |
473 |
1289 |
0 |
| CDI |
0 |
0 |
0 |
46 |
76 |
329 |
1417 |
6 |
| VCDI |
0 |
0 |
0 |
8 |
5 |
20 |
2162 |
4337 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15602 |
6003 |
1362 |
1483 |
550 |
312 |
306 |
0 |
| OW |
0 |
0 |
97 |
271 |
270 |
270 |
239 |
0 |
| VODI |
0 |
0 |
36 |
156 |
294 |
536 |
846 |
0 |
| ODI |
0 |
0 |
2 |
31 |
71 |
318 |
1125 |
16 |
| CDI |
0 |
0 |
0 |
45 |
76 |
293 |
1307 |
29 |
| VCDI |
0 |
0 |
0 |
8 |
6 |
20 |
1881 |
4298 |
|
Date: 2019-06-21:
| 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 |
15507 |
5927 |
1609 |
1254 |
670 |
287 |
233 |
0 |
| OW |
0 |
1 |
76 |
288 |
310 |
239 |
200 |
0 |
| VODI |
0 |
0 |
17 |
142 |
228 |
768 |
850 |
0 |
| ODI |
0 |
0 |
9 |
29 |
65 |
252 |
1304 |
0 |
| CDI |
0 |
0 |
13 |
62 |
68 |
94 |
1337 |
1 |
| VCDI |
0 |
0 |
0 |
3 |
10 |
24 |
2561 |
3721 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
15507 |
5928 |
1527 |
1316 |
844 |
643 |
379 |
0 |
| OW |
0 |
0 |
124 |
222 |
181 |
362 |
460 |
0 |
| VODI |
0 |
0 |
38 |
122 |
175 |
338 |
999 |
0 |
| ODI |
0 |
0 |
18 |
44 |
54 |
188 |
1052 |
9 |
| CDI |
0 |
0 |
17 |
70 |
83 |
103 |
1408 |
29 |
| VCDI |
0 |
0 |
0 |
4 |
14 |
30 |
2187 |
3684 |
|
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