Validation of sea ice concentration - Full domain
Bulletin date: 2021-08-19
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2021-08-13:
| 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 |
118778 |
17234 |
198 |
628 |
114 |
0 |
0 |
0 |
| OW |
65 |
992 |
176 |
1704 |
259 |
0 |
0 |
0 |
| VODI |
0 |
232 |
71 |
2275 |
2400 |
24 |
0 |
0 |
| ODI |
0 |
61 |
9 |
467 |
7645 |
2546 |
0 |
0 |
| CDI |
0 |
24 |
2 |
44 |
1353 |
16393 |
4911 |
0 |
| VCDI |
0 |
41 |
8 |
96 |
184 |
4157 |
3732 |
225 |
|
...date precedes bulletin
|
Date: 2021-08-15:
| 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 |
119347 |
17247 |
181 |
694 |
30 |
0 |
0 |
0 |
| OW |
30 |
1462 |
163 |
1461 |
183 |
0 |
0 |
0 |
| VODI |
0 |
467 |
131 |
2674 |
2206 |
46 |
0 |
0 |
| ODI |
0 |
60 |
9 |
1057 |
6781 |
2043 |
261 |
0 |
| CDI |
0 |
16 |
4 |
60 |
2507 |
12110 |
7710 |
586 |
| VCDI |
0 |
58 |
13 |
92 |
176 |
759 |
4278 |
2146 |
|
...date precedes bulletin
|
Date: 2021-08-17:
| 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 |
119003 |
18621 |
169 |
811 |
45 |
0 |
0 |
0 |
| OW |
0 |
1417 |
191 |
1153 |
102 |
2 |
0 |
0 |
| VODI |
0 |
212 |
104 |
3645 |
1644 |
16 |
0 |
0 |
| ODI |
0 |
37 |
6 |
543 |
7510 |
581 |
25 |
0 |
| CDI |
0 |
6 |
2 |
30 |
2348 |
10456 |
5024 |
0 |
| VCDI |
0 |
42 |
5 |
50 |
103 |
3441 |
9496 |
208 |
|
...date precedes bulletin
|
Date: 2021-08-19:
| 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 |
118794 |
19265 |
166 |
767 |
50 |
0 |
0 |
0 |
| OW |
0 |
1486 |
176 |
1117 |
150 |
5 |
0 |
0 |
| VODI |
0 |
291 |
115 |
4131 |
1792 |
21 |
0 |
0 |
| ODI |
0 |
34 |
7 |
653 |
6061 |
884 |
3 |
0 |
| CDI |
0 |
7 |
3 |
12 |
2684 |
11425 |
5525 |
65 |
| VCDI |
0 |
18 |
3 |
84 |
192 |
3813 |
7238 |
11 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
118794 |
19461 |
176 |
926 |
50 |
0 |
0 |
0 |
| OW |
0 |
1265 |
171 |
1047 |
172 |
3 |
0 |
0 |
| VODI |
0 |
315 |
108 |
3778 |
1602 |
24 |
0 |
0 |
| ODI |
0 |
36 |
9 |
916 |
5997 |
915 |
0 |
0 |
| CDI |
0 |
6 |
3 |
11 |
2898 |
10785 |
5237 |
62 |
| VCDI |
0 |
18 |
3 |
86 |
210 |
4421 |
7529 |
14 |
|
Date: 2021-08-21:
| 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 |
121397 |
17158 |
180 |
690 |
88 |
0 |
0 |
0 |
| OW |
0 |
1488 |
170 |
1180 |
237 |
9 |
0 |
0 |
| VODI |
0 |
424 |
131 |
4465 |
1869 |
93 |
0 |
0 |
| ODI |
0 |
48 |
6 |
631 |
4561 |
1116 |
161 |
0 |
| CDI |
0 |
18 |
1 |
23 |
2649 |
10557 |
5809 |
1561 |
| VCDI |
0 |
13 |
3 |
72 |
175 |
1396 |
6083 |
2586 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121397 |
17319 |
200 |
895 |
98 |
0 |
0 |
0 |
| OW |
0 |
1336 |
147 |
1076 |
258 |
11 |
0 |
0 |
| VODI |
0 |
405 |
130 |
4032 |
1803 |
112 |
0 |
0 |
| ODI |
0 |
68 |
11 |
959 |
4380 |
1023 |
154 |
0 |
| CDI |
0 |
8 |
0 |
28 |
2848 |
10546 |
5626 |
1619 |
| VCDI |
0 |
13 |
3 |
71 |
192 |
1479 |
6273 |
2528 |
|
Date: 2021-08-23:
| 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 |
120853 |
18652 |
149 |
570 |
39 |
0 |
0 |
0 |
| OW |
19 |
1363 |
180 |
1003 |
103 |
0 |
0 |
0 |
| VODI |
0 |
433 |
134 |
5439 |
1076 |
2 |
0 |
0 |
| ODI |
0 |
44 |
3 |
375 |
7200 |
363 |
0 |
0 |
| CDI |
0 |
6 |
1 |
21 |
1900 |
16610 |
476 |
0 |
| VCDI |
0 |
1 |
0 |
49 |
110 |
4667 |
5119 |
88 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
120863 |
18157 |
177 |
900 |
96 |
0 |
0 |
0 |
| OW |
9 |
1486 |
123 |
1129 |
225 |
0 |
0 |
0 |
| VODI |
0 |
769 |
156 |
4283 |
1668 |
32 |
0 |
0 |
| ODI |
0 |
69 |
10 |
994 |
4048 |
492 |
0 |
0 |
| CDI |
0 |
12 |
0 |
92 |
4210 |
14181 |
3784 |
88 |
| VCDI |
0 |
6 |
1 |
59 |
181 |
6937 |
1811 |
0 |
|
Date: 2021-08-25:
| 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 |
121813 |
18048 |
148 |
646 |
74 |
0 |
0 |
0 |
| OW |
26 |
1439 |
172 |
1150 |
168 |
0 |
0 |
0 |
| VODI |
0 |
694 |
169 |
4863 |
1270 |
9 |
0 |
0 |
| ODI |
0 |
54 |
2 |
614 |
5622 |
761 |
68 |
0 |
| CDI |
0 |
4 |
0 |
80 |
5190 |
12992 |
1173 |
3 |
| VCDI |
0 |
22 |
5 |
44 |
228 |
2707 |
5217 |
1573 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
121809 |
17344 |
151 |
974 |
172 |
0 |
0 |
0 |
| OW |
19 |
1569 |
135 |
1066 |
255 |
3 |
0 |
0 |
| VODI |
11 |
1215 |
192 |
3939 |
1455 |
129 |
29 |
0 |
| ODI |
0 |
89 |
13 |
1159 |
3105 |
602 |
119 |
0 |
| CDI |
0 |
21 |
0 |
191 |
6887 |
11085 |
4033 |
1042 |
| VCDI |
0 |
23 |
5 |
68 |
678 |
4650 |
2277 |
534 |
|
Date: 2021-08-27:
| 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 |
123558 |
16511 |
144 |
575 |
41 |
11 |
0 |
0 |
| OW |
14 |
1868 |
165 |
1306 |
114 |
8 |
0 |
0 |
| VODI |
0 |
833 |
164 |
4635 |
1083 |
15 |
0 |
0 |
| ODI |
0 |
62 |
3 |
712 |
5264 |
698 |
22 |
0 |
| CDI |
0 |
15 |
1 |
85 |
6314 |
11086 |
2069 |
0 |
| VCDI |
0 |
8 |
3 |
70 |
257 |
3552 |
4535 |
1247 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
123544 |
15745 |
166 |
1011 |
94 |
13 |
0 |
0 |
| OW |
28 |
1886 |
97 |
1175 |
195 |
4 |
0 |
0 |
| VODI |
0 |
1500 |
191 |
3673 |
1343 |
73 |
0 |
0 |
| ODI |
0 |
130 |
22 |
1256 |
2897 |
406 |
43 |
0 |
| CDI |
0 |
13 |
2 |
196 |
7553 |
9923 |
4273 |
656 |
| VCDI |
0 |
23 |
2 |
72 |
991 |
4951 |
2310 |
591 |
|
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