Validation of sea ice concentration - American sector
Bulletin date: 2022-07-07
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
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 |
|
...date precedes bulletin
|
Date: 2022-07-03:
| 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 |
2708 |
5691 |
98 |
745 |
290 |
14 |
0 |
0 |
| OW |
6 |
476 |
39 |
961 |
287 |
45 |
0 |
0 |
| VODI |
0 |
118 |
30 |
686 |
667 |
187 |
0 |
0 |
| ODI |
0 |
56 |
9 |
357 |
1129 |
309 |
0 |
0 |
| CDI |
0 |
32 |
8 |
517 |
2919 |
2091 |
4 |
0 |
| VCDI |
0 |
1 |
0 |
81 |
3565 |
13465 |
8122 |
153 |
|
...date precedes bulletin
|
Date: 2022-07-05:
| 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 |
3518 |
6035 |
112 |
629 |
200 |
11 |
0 |
0 |
| OW |
5 |
413 |
49 |
790 |
144 |
18 |
0 |
0 |
| VODI |
0 |
84 |
16 |
691 |
729 |
8 |
0 |
0 |
| ODI |
0 |
79 |
9 |
467 |
1855 |
145 |
0 |
0 |
| CDI |
0 |
49 |
6 |
443 |
3795 |
3053 |
2 |
0 |
| VCDI |
0 |
3 |
0 |
6 |
1461 |
16162 |
4767 |
112 |
|
...date precedes bulletin
|
Date: 2022-07-07:
| 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 |
3516 |
6705 |
106 |
735 |
163 |
15 |
0 |
0 |
| OW |
4 |
172 |
36 |
794 |
215 |
8 |
0 |
0 |
| VODI |
0 |
107 |
17 |
794 |
792 |
45 |
0 |
0 |
| ODI |
0 |
29 |
3 |
369 |
1582 |
162 |
0 |
0 |
| CDI |
0 |
42 |
8 |
491 |
3875 |
3315 |
21 |
0 |
| VCDI |
0 |
116 |
2 |
58 |
1838 |
16660 |
3055 |
16 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3516 |
6734 |
114 |
798 |
169 |
18 |
0 |
0 |
| OW |
4 |
131 |
29 |
701 |
179 |
6 |
0 |
0 |
| VODI |
0 |
106 |
13 |
812 |
762 |
24 |
0 |
0 |
| ODI |
0 |
41 |
6 |
396 |
1593 |
189 |
0 |
0 |
| CDI |
0 |
43 |
8 |
477 |
3845 |
3299 |
21 |
0 |
| VCDI |
0 |
116 |
2 |
57 |
1917 |
16669 |
3055 |
16 |
|
Date: 2022-07-09:
| 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 |
3855 |
6731 |
121 |
746 |
178 |
7 |
0 |
0 |
| OW |
4 |
223 |
45 |
815 |
228 |
5 |
0 |
0 |
| VODI |
0 |
247 |
29 |
1078 |
813 |
15 |
0 |
0 |
| ODI |
0 |
122 |
12 |
438 |
912 |
154 |
0 |
0 |
| CDI |
0 |
142 |
16 |
447 |
3753 |
3291 |
20 |
0 |
| VCDI |
0 |
10 |
0 |
25 |
1302 |
16445 |
3536 |
101 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
3855 |
6740 |
133 |
822 |
184 |
9 |
0 |
0 |
| OW |
4 |
184 |
33 |
702 |
164 |
2 |
0 |
0 |
| VODI |
0 |
217 |
28 |
1041 |
838 |
24 |
0 |
0 |
| ODI |
0 |
188 |
14 |
520 |
926 |
124 |
0 |
0 |
| CDI |
0 |
136 |
15 |
442 |
3696 |
3228 |
20 |
0 |
| VCDI |
0 |
10 |
0 |
22 |
1378 |
16530 |
3536 |
101 |
|
Date: 2022-07-11:
| 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 |
4194 |
6840 |
134 |
759 |
173 |
2 |
0 |
0 |
| OW |
3 |
234 |
46 |
609 |
161 |
2 |
0 |
0 |
| VODI |
0 |
53 |
26 |
1328 |
779 |
2 |
0 |
0 |
| ODI |
0 |
123 |
14 |
518 |
2023 |
137 |
0 |
0 |
| CDI |
0 |
74 |
3 |
30 |
3505 |
4191 |
0 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
741 |
12751 |
5883 |
520 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4194 |
6770 |
134 |
891 |
203 |
2 |
0 |
0 |
| OW |
3 |
212 |
41 |
743 |
351 |
2 |
0 |
0 |
| VODI |
0 |
128 |
20 |
778 |
1142 |
28 |
0 |
0 |
| ODI |
0 |
24 |
12 |
394 |
800 |
174 |
0 |
0 |
| CDI |
0 |
190 |
16 |
438 |
3690 |
3546 |
6 |
0 |
| VCDI |
0 |
0 |
0 |
8 |
1196 |
13333 |
5877 |
520 |
|
Date: 2022-07-13:
| 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 |
4766 |
6588 |
115 |
743 |
274 |
1 |
0 |
0 |
| OW |
4 |
364 |
69 |
743 |
274 |
1 |
0 |
0 |
| VODI |
6 |
183 |
13 |
1201 |
762 |
0 |
0 |
0 |
| ODI |
0 |
79 |
9 |
426 |
1541 |
62 |
0 |
0 |
| CDI |
0 |
139 |
12 |
82 |
3264 |
4651 |
34 |
0 |
| VCDI |
0 |
139 |
0 |
26 |
340 |
7243 |
9950 |
1762 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
4766 |
6474 |
113 |
942 |
372 |
1 |
0 |
0 |
| OW |
4 |
468 |
54 |
620 |
386 |
1 |
0 |
0 |
| VODI |
6 |
179 |
21 |
863 |
673 |
23 |
0 |
0 |
| ODI |
0 |
25 |
10 |
298 |
796 |
31 |
0 |
0 |
| CDI |
0 |
119 |
15 |
469 |
3558 |
3787 |
41 |
0 |
| VCDI |
0 |
227 |
5 |
29 |
670 |
8115 |
9943 |
1762 |
|
Date: 2022-07-15:
| 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 |
5324 |
6396 |
108 |
695 |
248 |
0 |
0 |
0 |
| OW |
2 |
506 |
75 |
768 |
310 |
0 |
0 |
0 |
| VODI |
0 |
131 |
44 |
1171 |
495 |
11 |
0 |
0 |
| ODI |
0 |
78 |
10 |
349 |
1365 |
185 |
0 |
0 |
| CDI |
0 |
121 |
8 |
152 |
2983 |
4896 |
366 |
0 |
| VCDI |
0 |
118 |
4 |
108 |
899 |
9852 |
7108 |
980 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
5324 |
6293 |
129 |
1038 |
444 |
0 |
0 |
0 |
| OW |
2 |
521 |
39 |
551 |
235 |
6 |
0 |
0 |
| VODI |
0 |
171 |
46 |
754 |
457 |
46 |
0 |
0 |
| ODI |
0 |
63 |
9 |
288 |
695 |
254 |
0 |
0 |
| CDI |
0 |
161 |
21 |
471 |
3158 |
3775 |
291 |
0 |
| VCDI |
0 |
141 |
5 |
141 |
1311 |
10863 |
7183 |
980 |
|
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