Validation of sea ice concentration - Full domain
Bulletin date: 2022-02-24
Data source: OSI SAF N.H. AMSR sea ice concentration
Model vs. observations, sea ice class contingency tables
Date: 2022-02-18:
| 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 |
53601 |
24473 |
3341 |
1266 |
452 |
63 |
68 |
0 |
| OW |
54 |
420 |
207 |
383 |
305 |
81 |
35 |
0 |
| VODI |
0 |
237 |
183 |
331 |
485 |
173 |
49 |
0 |
| ODI |
0 |
100 |
97 |
210 |
410 |
244 |
96 |
0 |
| CDI |
0 |
81 |
138 |
215 |
582 |
806 |
350 |
8 |
| VCDI |
0 |
254 |
228 |
557 |
1151 |
5928 |
26834 |
62552 |
|
...date precedes bulletin
|
Date: 2022-02-20:
| 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 |
58359 |
20687 |
2410 |
909 |
377 |
116 |
83 |
0 |
| OW |
54 |
333 |
282 |
371 |
276 |
104 |
41 |
0 |
| VODI |
0 |
205 |
228 |
298 |
450 |
244 |
61 |
0 |
| ODI |
0 |
73 |
129 |
195 |
368 |
310 |
76 |
0 |
| CDI |
0 |
39 |
85 |
205 |
411 |
849 |
266 |
3 |
| VCDI |
0 |
174 |
210 |
465 |
1054 |
7265 |
30327 |
58656 |
|
...date precedes bulletin
|
Date: 2022-02-22:
| 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 |
54685 |
21403 |
4784 |
1106 |
291 |
82 |
69 |
0 |
| OW |
55 |
214 |
355 |
480 |
283 |
70 |
32 |
0 |
| VODI |
0 |
106 |
213 |
417 |
477 |
164 |
46 |
0 |
| ODI |
0 |
34 |
109 |
207 |
472 |
289 |
101 |
0 |
| CDI |
0 |
20 |
64 |
219 |
605 |
872 |
406 |
5 |
| VCDI |
0 |
51 |
79 |
428 |
1380 |
6226 |
31373 |
58776 |
|
...date precedes bulletin
|
Date: 2022-02-24:
| 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 |
51834 |
24845 |
4400 |
943 |
334 |
139 |
64 |
0 |
| OW |
59 |
388 |
253 |
345 |
220 |
170 |
21 |
0 |
| VODI |
2 |
222 |
200 |
345 |
322 |
288 |
37 |
0 |
| ODI |
0 |
83 |
125 |
201 |
285 |
316 |
78 |
0 |
| CDI |
0 |
54 |
107 |
191 |
339 |
619 |
230 |
6 |
| VCDI |
0 |
105 |
165 |
275 |
866 |
5289 |
31953 |
60330 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
51835 |
24843 |
4393 |
933 |
342 |
144 |
64 |
0 |
| OW |
58 |
395 |
262 |
357 |
212 |
167 |
22 |
0 |
| VODI |
2 |
223 |
197 |
342 |
330 |
302 |
39 |
0 |
| ODI |
0 |
81 |
141 |
212 |
273 |
305 |
79 |
0 |
| CDI |
0 |
45 |
90 |
180 |
328 |
630 |
289 |
7 |
| VCDI |
0 |
110 |
167 |
276 |
881 |
5273 |
31890 |
60329 |
|
Date: 2022-02-26:
| 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 |
55787 |
21870 |
3199 |
934 |
542 |
160 |
24 |
0 |
| OW |
55 |
287 |
401 |
331 |
230 |
121 |
18 |
0 |
| VODI |
0 |
183 |
302 |
305 |
354 |
228 |
48 |
0 |
| ODI |
0 |
73 |
192 |
235 |
440 |
236 |
54 |
0 |
| CDI |
0 |
48 |
127 |
208 |
626 |
568 |
178 |
3 |
| VCDI |
0 |
236 |
193 |
505 |
1625 |
6570 |
31401 |
58151 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
55787 |
21865 |
3202 |
930 |
536 |
163 |
25 |
0 |
| OW |
55 |
301 |
391 |
322 |
229 |
124 |
20 |
0 |
| VODI |
0 |
180 |
327 |
322 |
370 |
222 |
38 |
0 |
| ODI |
0 |
73 |
174 |
243 |
427 |
243 |
63 |
0 |
| CDI |
0 |
45 |
117 |
205 |
609 |
573 |
178 |
3 |
| VCDI |
0 |
233 |
203 |
496 |
1646 |
6558 |
31399 |
58151 |
|
Date: 2022-02-28:
| 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 |
56867 |
20937 |
3218 |
958 |
428 |
206 |
27 |
0 |
| OW |
54 |
268 |
366 |
400 |
211 |
147 |
11 |
0 |
| VODI |
0 |
109 |
244 |
428 |
449 |
230 |
24 |
0 |
| ODI |
0 |
53 |
110 |
217 |
456 |
374 |
58 |
0 |
| CDI |
0 |
28 |
105 |
164 |
540 |
948 |
312 |
6 |
| VCDI |
0 |
135 |
104 |
357 |
1059 |
5346 |
31228 |
59866 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
56866 |
20698 |
3085 |
997 |
502 |
332 |
30 |
0 |
| OW |
55 |
327 |
304 |
345 |
247 |
189 |
23 |
0 |
| VODI |
0 |
211 |
247 |
329 |
350 |
279 |
71 |
0 |
| ODI |
0 |
80 |
177 |
215 |
338 |
313 |
80 |
0 |
| CDI |
0 |
57 |
157 |
186 |
481 |
752 |
273 |
6 |
| VCDI |
0 |
157 |
177 |
452 |
1225 |
5386 |
31183 |
59866 |
|
Date: 2022-03-02:
| 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 |
53489 |
23288 |
4058 |
1205 |
394 |
157 |
66 |
0 |
| OW |
55 |
407 |
218 |
361 |
262 |
67 |
23 |
0 |
| VODI |
0 |
245 |
170 |
383 |
412 |
129 |
42 |
0 |
| ODI |
0 |
100 |
80 |
214 |
476 |
248 |
112 |
0 |
| CDI |
0 |
94 |
74 |
200 |
607 |
623 |
374 |
16 |
| VCDI |
0 |
156 |
81 |
324 |
1265 |
5551 |
28202 |
62820 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
53490 |
22900 |
4010 |
1252 |
600 |
246 |
89 |
0 |
| OW |
54 |
459 |
209 |
293 |
246 |
109 |
42 |
0 |
| VODI |
0 |
352 |
156 |
356 |
346 |
178 |
82 |
0 |
| ODI |
0 |
166 |
93 |
197 |
358 |
279 |
125 |
0 |
| CDI |
0 |
172 |
86 |
166 |
482 |
652 |
426 |
23 |
| VCDI |
0 |
241 |
127 |
423 |
1384 |
5311 |
28055 |
62813 |
|
Date: 2022-03-04:
| 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 |
54516 |
24490 |
2150 |
799 |
385 |
150 |
139 |
0 |
| OW |
55 |
416 |
191 |
375 |
242 |
88 |
39 |
0 |
| VODI |
0 |
237 |
144 |
373 |
426 |
169 |
60 |
0 |
| ODI |
0 |
113 |
89 |
198 |
403 |
262 |
96 |
0 |
| CDI |
0 |
105 |
74 |
146 |
597 |
672 |
414 |
0 |
| VCDI |
0 |
145 |
130 |
375 |
954 |
4799 |
26299 |
65733 |
|
|
observations |
|
Ice free |
Ice free
near MIZ |
OW |
VODI |
ODI |
CDI |
VCDI
near MIZ |
VCDI |
m
o
d
e
l |
Ice free |
54516 |
24128 |
2134 |
841 |
502 |
263 |
171 |
0 |
| OW |
55 |
506 |
157 |
341 |
260 |
121 |
60 |
0 |
| VODI |
0 |
300 |
133 |
310 |
350 |
198 |
105 |
0 |
| ODI |
0 |
164 |
83 |
197 |
369 |
253 |
139 |
2 |
| CDI |
0 |
183 |
108 |
151 |
479 |
603 |
417 |
21 |
| VCDI |
0 |
225 |
163 |
426 |
1047 |
4702 |
26155 |
65710 |
|
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