Validation of sea ice concentration - American sector
Bulletin date: 2018-07-26
Data source: OSI SAF N.H. sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2018-07-20:
| 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 |
3285 |
9649 |
228 |
1763 |
179 |
32 |
0 |
0 |
| OW |
0 |
105 |
28 |
1060 |
456 |
34 |
0 |
0 |
| VODI |
0 |
104 |
13 |
563 |
2169 |
137 |
0 |
0 |
| ODI |
0 |
3 |
6 |
677 |
2574 |
846 |
0 |
0 |
| CDI |
0 |
0 |
0 |
55 |
3416 |
5215 |
57 |
0 |
| VCDI |
0 |
2 |
1 |
47 |
412 |
6774 |
5878 |
98 |
|
...date precedes bulletin
|
Date: 2018-07-22:
| 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 |
4477 |
9369 |
221 |
1274 |
308 |
35 |
0 |
0 |
| OW |
0 |
184 |
48 |
1219 |
638 |
72 |
0 |
0 |
| VODI |
0 |
127 |
14 |
961 |
2037 |
136 |
0 |
0 |
| ODI |
0 |
35 |
6 |
1032 |
2086 |
280 |
0 |
0 |
| CDI |
0 |
0 |
1 |
145 |
2784 |
5364 |
297 |
4 |
| VCDI |
0 |
0 |
0 |
47 |
462 |
4123 |
5992 |
2088 |
|
...date precedes bulletin
|
Date: 2018-07-24:
| 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 |
7856 |
7019 |
136 |
682 |
251 |
25 |
0 |
0 |
| OW |
3 |
315 |
50 |
950 |
219 |
45 |
0 |
0 |
| VODI |
0 |
110 |
22 |
2583 |
1574 |
70 |
0 |
0 |
| ODI |
0 |
5 |
1 |
162 |
3945 |
726 |
0 |
0 |
| CDI |
0 |
8 |
4 |
9 |
1553 |
6109 |
574 |
0 |
| VCDI |
0 |
0 |
0 |
61 |
397 |
1908 |
8059 |
435 |
|
...date precedes bulletin
|
Date: 2018-07-26:
| 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 |
8538 |
6702 |
120 |
819 |
279 |
36 |
0 |
0 |
| OW |
2 |
350 |
70 |
1397 |
317 |
50 |
0 |
0 |
| VODI |
0 |
140 |
31 |
2781 |
1276 |
59 |
0 |
0 |
| ODI |
0 |
6 |
0 |
380 |
3899 |
457 |
0 |
0 |
| CDI |
0 |
4 |
3 |
14 |
1874 |
4687 |
797 |
0 |
| VCDI |
0 |
1 |
0 |
25 |
173 |
1929 |
6392 |
2258 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
8540 |
6840 |
145 |
1159 |
386 |
55 |
0 |
0 |
| OW |
0 |
215 |
50 |
1311 |
276 |
36 |
0 |
0 |
| VODI |
0 |
137 |
26 |
2522 |
1305 |
57 |
0 |
0 |
| ODI |
0 |
7 |
1 |
385 |
3739 |
466 |
0 |
0 |
| CDI |
0 |
4 |
2 |
26 |
1936 |
4645 |
812 |
0 |
| VCDI |
0 |
0 |
0 |
13 |
176 |
1959 |
6377 |
2258 |
|
Date: 2018-07-28:
| 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 |
9669 |
5862 |
109 |
876 |
379 |
43 |
0 |
0 |
| OW |
0 |
332 |
70 |
2157 |
583 |
56 |
0 |
0 |
| VODI |
0 |
190 |
33 |
1463 |
1826 |
124 |
0 |
0 |
| ODI |
0 |
8 |
0 |
314 |
2584 |
1237 |
0 |
0 |
| CDI |
0 |
22 |
0 |
7 |
1363 |
4813 |
1065 |
0 |
| VCDI |
0 |
26 |
5 |
16 |
446 |
2097 |
7445 |
646 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9669 |
6017 |
142 |
1555 |
572 |
72 |
0 |
0 |
| OW |
0 |
139 |
34 |
1024 |
467 |
33 |
0 |
0 |
| VODI |
0 |
227 |
36 |
1906 |
1874 |
182 |
0 |
0 |
| ODI |
0 |
13 |
0 |
321 |
2452 |
1153 |
0 |
0 |
| CDI |
0 |
26 |
3 |
12 |
1365 |
4895 |
1096 |
0 |
| VCDI |
0 |
18 |
2 |
15 |
451 |
2035 |
7414 |
646 |
|
Date: 2018-07-30:
| 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 |
9777 |
6316 |
133 |
944 |
145 |
25 |
0 |
0 |
| OW |
0 |
937 |
116 |
916 |
155 |
28 |
0 |
0 |
| VODI |
0 |
307 |
63 |
2852 |
725 |
34 |
0 |
0 |
| ODI |
0 |
12 |
0 |
108 |
4325 |
257 |
0 |
0 |
| CDI |
0 |
19 |
0 |
3 |
593 |
4505 |
520 |
0 |
| VCDI |
0 |
14 |
2 |
13 |
314 |
1259 |
5995 |
4454 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
9777 |
6591 |
181 |
1812 |
409 |
68 |
0 |
0 |
| OW |
0 |
651 |
80 |
1579 |
290 |
24 |
0 |
0 |
| VODI |
0 |
295 |
47 |
1123 |
2071 |
77 |
0 |
0 |
| ODI |
0 |
18 |
4 |
292 |
2146 |
718 |
1 |
0 |
| CDI |
0 |
26 |
0 |
12 |
969 |
3963 |
1945 |
436 |
| VCDI |
0 |
24 |
2 |
18 |
372 |
1258 |
4569 |
4018 |
|
Date: 2018-08-01:
| 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 |
10900 |
5982 |
109 |
802 |
196 |
26 |
0 |
0 |
| OW |
0 |
1636 |
105 |
1123 |
181 |
33 |
0 |
0 |
| VODI |
0 |
361 |
47 |
1668 |
1380 |
13 |
0 |
0 |
| ODI |
0 |
11 |
1 |
122 |
2994 |
873 |
0 |
0 |
| CDI |
0 |
12 |
2 |
0 |
963 |
3929 |
487 |
2 |
| VCDI |
0 |
15 |
3 |
6 |
257 |
1040 |
6325 |
4262 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
10900 |
6682 |
171 |
1751 |
384 |
64 |
0 |
0 |
| OW |
0 |
863 |
51 |
1093 |
442 |
9 |
0 |
0 |
| VODI |
0 |
370 |
34 |
619 |
2213 |
197 |
0 |
0 |
| ODI |
0 |
59 |
6 |
236 |
1491 |
894 |
0 |
0 |
| CDI |
0 |
32 |
2 |
16 |
1062 |
3778 |
2501 |
1587 |
| VCDI |
0 |
11 |
3 |
6 |
379 |
972 |
4311 |
2677 |
|
Date: 2018-08-03:
| 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 |
11516 |
5827 |
101 |
789 |
164 |
0 |
0 |
0 |
| OW |
0 |
1890 |
104 |
1104 |
210 |
13 |
0 |
0 |
| VODI |
0 |
475 |
46 |
1173 |
1636 |
4 |
0 |
0 |
| ODI |
0 |
12 |
5 |
132 |
2646 |
852 |
0 |
0 |
| CDI |
0 |
19 |
4 |
4 |
1624 |
3322 |
472 |
0 |
| VCDI |
0 |
1 |
0 |
4 |
106 |
2623 |
7856 |
1132 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
11516 |
6793 |
183 |
1818 |
400 |
13 |
0 |
0 |
| OW |
0 |
908 |
43 |
733 |
690 |
3 |
0 |
0 |
| VODI |
0 |
422 |
15 |
438 |
2019 |
326 |
0 |
0 |
| ODI |
0 |
65 |
12 |
194 |
1356 |
762 |
3 |
0 |
| CDI |
0 |
29 |
4 |
15 |
1766 |
3766 |
3079 |
730 |
| VCDI |
0 |
7 |
3 |
8 |
155 |
1944 |
5246 |
402 |
|
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