Validation of sea ice concentration - American sector
Bulletin date: 2022-06-23
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-06-17:
| 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 |
202 |
3962 |
110 |
1118 |
114 |
2 |
0 |
0 |
| OW |
0 |
157 |
15 |
613 |
428 |
13 |
0 |
0 |
| VODI |
0 |
90 |
10 |
227 |
931 |
206 |
2 |
0 |
| ODI |
0 |
85 |
4 |
113 |
957 |
689 |
30 |
0 |
| CDI |
0 |
104 |
11 |
136 |
885 |
1067 |
185 |
0 |
| VCDI |
0 |
53 |
11 |
189 |
1299 |
4936 |
18865 |
8047 |
|
...date precedes bulletin
|
Date: 2022-06-19:
| 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 |
294 |
4166 |
118 |
1296 |
272 |
0 |
0 |
0 |
| OW |
16 |
143 |
8 |
379 |
703 |
5 |
1 |
0 |
| VODI |
0 |
102 |
8 |
134 |
1005 |
454 |
10 |
0 |
| ODI |
0 |
77 |
10 |
119 |
728 |
553 |
25 |
0 |
| CDI |
0 |
200 |
16 |
198 |
642 |
1314 |
129 |
4 |
| VCDI |
0 |
32 |
7 |
335 |
1548 |
5035 |
13314 |
12466 |
|
...date precedes bulletin
|
Date: 2022-06-21:
| 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 |
296 |
4869 |
132 |
1200 |
202 |
1 |
0 |
0 |
| OW |
0 |
92 |
28 |
428 |
382 |
7 |
0 |
0 |
| VODI |
0 |
51 |
7 |
256 |
1240 |
81 |
4 |
0 |
| ODI |
0 |
57 |
5 |
114 |
1445 |
592 |
11 |
2 |
| CDI |
0 |
92 |
15 |
190 |
1247 |
1525 |
234 |
5 |
| VCDI |
0 |
3 |
3 |
143 |
3642 |
6196 |
11539 |
9530 |
|
...date precedes bulletin
|
Date: 2022-06-23:
| 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 |
467 |
5313 |
131 |
1055 |
100 |
0 |
0 |
0 |
| OW |
0 |
153 |
37 |
572 |
324 |
16 |
1 |
0 |
| VODI |
0 |
70 |
9 |
482 |
1721 |
172 |
10 |
0 |
| ODI |
0 |
60 |
4 |
132 |
774 |
449 |
29 |
0 |
| CDI |
0 |
99 |
20 |
228 |
1288 |
1595 |
387 |
0 |
| VCDI |
0 |
4 |
2 |
136 |
3956 |
7518 |
7873 |
10679 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
467 |
5281 |
139 |
1173 |
190 |
2 |
0 |
0 |
| OW |
0 |
180 |
24 |
439 |
300 |
17 |
1 |
0 |
| VODI |
0 |
75 |
13 |
490 |
1534 |
133 |
11 |
0 |
| ODI |
0 |
61 |
6 |
137 |
864 |
483 |
25 |
0 |
| CDI |
0 |
98 |
19 |
230 |
1342 |
1546 |
338 |
0 |
| VCDI |
0 |
4 |
2 |
136 |
3933 |
7569 |
7925 |
10679 |
|
Date: 2022-06-25:
| 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 |
927 |
5402 |
140 |
860 |
188 |
16 |
0 |
0 |
| OW |
17 |
133 |
24 |
742 |
627 |
33 |
6 |
0 |
| VODI |
0 |
100 |
15 |
272 |
1552 |
265 |
23 |
0 |
| ODI |
0 |
85 |
6 |
110 |
490 |
499 |
20 |
0 |
| CDI |
0 |
91 |
16 |
269 |
1616 |
1507 |
402 |
0 |
| VCDI |
0 |
13 |
3 |
162 |
7545 |
7209 |
8374 |
6107 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
927 |
5363 |
137 |
1005 |
350 |
19 |
0 |
0 |
| OW |
17 |
172 |
27 |
596 |
564 |
26 |
4 |
0 |
| VODI |
0 |
97 |
15 |
270 |
1382 |
255 |
21 |
0 |
| ODI |
0 |
85 |
6 |
115 |
564 |
527 |
22 |
0 |
| CDI |
0 |
94 |
16 |
269 |
1686 |
1456 |
375 |
0 |
| VCDI |
0 |
13 |
3 |
160 |
7472 |
7246 |
8403 |
6107 |
|
Date: 2022-06-27:
| 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 |
1153 |
5744 |
121 |
802 |
146 |
14 |
0 |
0 |
| OW |
14 |
166 |
28 |
475 |
173 |
11 |
3 |
0 |
| VODI |
0 |
63 |
15 |
594 |
924 |
24 |
9 |
0 |
| ODI |
0 |
31 |
5 |
199 |
1965 |
290 |
8 |
0 |
| CDI |
0 |
25 |
7 |
282 |
2677 |
2497 |
84 |
0 |
| VCDI |
0 |
3 |
4 |
262 |
11712 |
6771 |
7829 |
736 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1155 |
5524 |
121 |
1146 |
614 |
26 |
0 |
0 |
| OW |
12 |
199 |
19 |
443 |
907 |
71 |
9 |
0 |
| VODI |
0 |
124 |
11 |
192 |
823 |
460 |
22 |
0 |
| ODI |
0 |
93 |
9 |
133 |
508 |
478 |
5 |
0 |
| CDI |
0 |
86 |
14 |
373 |
1994 |
1430 |
204 |
0 |
| VCDI |
0 |
6 |
6 |
327 |
12751 |
7142 |
7693 |
736 |
|
Date: 2022-06-29:
| 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 |
1299 |
6027 |
130 |
861 |
156 |
17 |
0 |
0 |
| OW |
9 |
144 |
38 |
956 |
227 |
19 |
2 |
0 |
| VODI |
0 |
74 |
15 |
806 |
1007 |
43 |
10 |
0 |
| ODI |
0 |
48 |
4 |
289 |
1328 |
332 |
7 |
0 |
| CDI |
0 |
12 |
3 |
327 |
2949 |
1809 |
249 |
0 |
| VCDI |
0 |
0 |
0 |
71 |
8604 |
12061 |
5884 |
49 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
1299 |
5785 |
143 |
1713 |
374 |
39 |
2 |
0 |
| OW |
9 |
191 |
14 |
548 |
898 |
64 |
16 |
0 |
| VODI |
0 |
175 |
11 |
295 |
561 |
272 |
1 |
0 |
| ODI |
0 |
104 |
11 |
181 |
559 |
292 |
1 |
0 |
| CDI |
0 |
50 |
11 |
396 |
2283 |
1104 |
348 |
0 |
| VCDI |
0 |
0 |
0 |
177 |
9596 |
12510 |
5784 |
49 |
|
Date: 2022-07-01:
| 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 |
2696 |
5290 |
115 |
672 |
201 |
20 |
0 |
0 |
| OW |
8 |
559 |
37 |
713 |
258 |
22 |
0 |
0 |
| VODI |
0 |
136 |
30 |
982 |
723 |
57 |
0 |
0 |
| ODI |
0 |
22 |
10 |
328 |
1373 |
282 |
0 |
0 |
| CDI |
0 |
0 |
0 |
341 |
2837 |
1950 |
124 |
0 |
| VCDI |
0 |
0 |
0 |
59 |
4682 |
15572 |
5379 |
388 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
2695 |
5290 |
124 |
1463 |
541 |
50 |
0 |
0 |
| OW |
9 |
316 |
22 |
483 |
467 |
47 |
0 |
0 |
| VODI |
0 |
198 |
18 |
293 |
497 |
172 |
0 |
0 |
| ODI |
0 |
116 |
10 |
195 |
517 |
187 |
0 |
0 |
| CDI |
0 |
87 |
18 |
430 |
2660 |
1165 |
172 |
0 |
| VCDI |
0 |
0 |
0 |
231 |
5392 |
16282 |
5331 |
388 |
|
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