Validation of sea ice concentration
Bulletin date: 2024-03-28
Model vs. observations, sea ice class contingency tables
Date: 2024-03-22:
| 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 |
55336 |
19580 |
1447 |
125 |
56 |
30 |
3 |
0 |
| OW |
0 |
653 |
1668 |
732 |
247 |
145 |
22 |
0 |
| VODI |
0 |
113 |
1003 |
800 |
616 |
595 |
216 |
0 |
| ODI |
0 |
31 |
407 |
460 |
583 |
1196 |
839 |
0 |
| CDI |
0 |
16 |
313 |
503 |
636 |
1352 |
6008 |
25 |
| VCDI |
0 |
0 |
34 |
407 |
793 |
1609 |
25396 |
34473 |
|
...date precedes bulletin
|
Date: 2024-03-26:
| 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 |
54447 |
20240 |
1031 |
58 |
10 |
4 |
3 |
0 |
| OW |
0 |
395 |
1724 |
671 |
191 |
77 |
8 |
0 |
| VODI |
0 |
28 |
570 |
762 |
931 |
558 |
149 |
0 |
| ODI |
0 |
7 |
180 |
389 |
621 |
1447 |
519 |
0 |
| CDI |
0 |
16 |
135 |
340 |
641 |
2422 |
4666 |
11 |
| VCDI |
0 |
0 |
44 |
185 |
445 |
1465 |
33588 |
29490 |
|
...date precedes bulletin
|
Date: 2024-03-28:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2024-04-01:
| Best estimate |
Forecast |
|
...observations not yet available
|
...observations not yet available
|
Date: 2024-04-03:
| 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 |
52912 |
18642 |
1735 |
153 |
19 |
3 |
0 |
0 |
| OW |
0 |
374 |
1691 |
564 |
178 |
35 |
4 |
0 |
| VODI |
0 |
118 |
953 |
1121 |
764 |
554 |
58 |
0 |
| ODI |
0 |
23 |
340 |
503 |
873 |
1624 |
413 |
0 |
| CDI |
0 |
12 |
162 |
590 |
1215 |
3264 |
5829 |
141 |
| VCDI |
0 |
0 |
72 |
78 |
151 |
1417 |
29599 |
32284 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52912 |
17776 |
1819 |
234 |
41 |
6 |
2 |
0 |
| OW |
0 |
672 |
1249 |
841 |
406 |
135 |
4 |
0 |
| VODI |
0 |
499 |
724 |
642 |
645 |
910 |
137 |
0 |
| ODI |
0 |
170 |
520 |
430 |
684 |
1379 |
795 |
0 |
| CDI |
0 |
48 |
602 |
715 |
1099 |
2436 |
6679 |
24 |
| VCDI |
0 |
4 |
39 |
147 |
325 |
2031 |
28286 |
32401 |
|
Date: 2024-04-05:
| 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 |
52862 |
18979 |
1059 |
105 |
1 |
0 |
0 |
0 |
| OW |
0 |
615 |
1609 |
538 |
115 |
16 |
5 |
0 |
| VODI |
0 |
83 |
1061 |
951 |
839 |
431 |
134 |
0 |
| ODI |
0 |
4 |
359 |
475 |
887 |
1523 |
449 |
0 |
| CDI |
0 |
0 |
189 |
408 |
807 |
3048 |
6193 |
36 |
| VCDI |
0 |
0 |
20 |
22 |
191 |
1393 |
29300 |
33761 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
52862 |
17649 |
1270 |
253 |
58 |
15 |
0 |
0 |
| OW |
0 |
1037 |
1102 |
742 |
274 |
81 |
7 |
0 |
| VODI |
0 |
694 |
729 |
528 |
720 |
802 |
191 |
0 |
| ODI |
0 |
265 |
547 |
349 |
627 |
1301 |
807 |
0 |
| CDI |
0 |
36 |
644 |
592 |
909 |
2521 |
6931 |
24 |
| VCDI |
0 |
0 |
5 |
35 |
252 |
1691 |
28145 |
33773 |
|
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