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the numerical sea ice forecast in finland in the winter 1993-94 ...

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Image: ers-<strong>94</strong>030 1 -SI<br />

Area: Off Hels<strong>in</strong>ki<br />

Ice thickness: Fast <strong>ice</strong> 35-50 cm, snow 0-5 cm. Off <strong>the</strong> fast <strong>ice</strong> an old lead covered by lo-20 cm thick<br />

leve1 <strong>ice</strong> and <strong>the</strong>n 20-40 cm thick rafted and ridged consolidated <strong>ice</strong> with frozen leads of more<br />

leve1 <strong>ice</strong>.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, leve1 <strong>ice</strong>, consolidated <strong>ice</strong> toncentration 99 %, rafted <strong>ice</strong>, ridged <strong>ice</strong>.<br />

Verification: Fast <strong>ice</strong> is visible with ship l<strong>in</strong>es. Off <strong>the</strong> fast <strong>ice</strong> could be seen consolidated <strong>ice</strong> with<br />

ridges and more leve1 <strong>ice</strong>. Leads are visible.<br />

Obscurity: No.<br />

Date: 01.02.19<strong>94</strong> 20: 10 UTC<br />

Image: ers-<strong>94</strong>030 1 -a6<br />

Area: Off Kokkola<br />

Ice thickness: Fast <strong>ice</strong> 45-65 cm, snow 3-10 cm. Off <strong>the</strong> fast <strong>ice</strong> 20-40 cm thick leve1 <strong>ice</strong>, <strong>the</strong>n 30-<br />

50 cm thick rafted consolidated <strong>ice</strong>. Fur<strong>the</strong>r off consolidated 40-70 cm thick <strong>ice</strong> with ridges.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, leve1 <strong>ice</strong> toncentration 100 %, consolidated <strong>ice</strong> toncentration 100 %,<br />

rafted <strong>ice</strong>, ridged <strong>ice</strong>.<br />

Verification: Fast <strong>ice</strong> is visible very good. Leve1 <strong>ice</strong> with ship l<strong>in</strong>es and <strong>the</strong> ridged consolidated <strong>ice</strong><br />

are visible <strong>in</strong> details.<br />

Obscurity: No.<br />

Date: 01.03.19<strong>94</strong> 20: 10 UTC<br />

Image: ers-<strong>94</strong>0301-a7<br />

Area: Off Piteå<br />

Ice thickness: Fast <strong>ice</strong> 40-60 cm. Off <strong>the</strong> fast <strong>ice</strong> a small area of 30-50 cm thick rafted leve1 <strong>ice</strong> with<br />

m<strong>in</strong>or leads. Fur<strong>the</strong>r off consolidated 40-70 cm thick <strong>ice</strong> with plenty of ridges.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, leve1 <strong>ice</strong> toncentration 100 %, consolidated <strong>ice</strong> toncentration 100<br />

%, rafted <strong>ice</strong>, ridged <strong>ice</strong>.<br />

Verification: Fast <strong>ice</strong> is visible very good. Leve1 <strong>ice</strong> with ship l<strong>in</strong>es and <strong>the</strong> ridged consolidated <strong>ice</strong><br />

are visible <strong>in</strong> details.<br />

Obscurity: No.<br />

Date: 04.03.19<strong>94</strong> 20: 10 UTC<br />

Image: ers-<strong>94</strong>0304-sl<br />

Area: Off Hels<strong>in</strong>ki<br />

Ice thickness: Fast <strong>ice</strong> 35-50 cm, snow 0-5 cm. Off <strong>the</strong> fast <strong>ice</strong> 20-40 cm thick rafted and ridged<br />

consolidated <strong>ice</strong> with some frozen leads.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, leve1 <strong>ice</strong>, consolidated <strong>ice</strong> toncentration 99 %, rafted <strong>ice</strong>, ridged <strong>ice</strong>.<br />

Verification: Fast <strong>ice</strong> is visible with ship l<strong>in</strong>es. Off <strong>the</strong> fast <strong>ice</strong> could be seen consolidated <strong>ice</strong> with<br />

ridges and more leve1 <strong>ice</strong>. Leads are visible.<br />

Obscurity: No.<br />

Date: 04.03.19<strong>94</strong> 20: 10 UTC<br />

Image: ers-<strong>94</strong>0304-a6<br />

Area: Off Kokkola<br />

Ice thickness: Fast <strong>ice</strong> 45-65 cm, snow 3-15 cm. Off <strong>the</strong> fast <strong>ice</strong> 20-40 cm thick leve1 <strong>ice</strong>, <strong>the</strong>n 30-<br />

50 cm thick rafted consolidated <strong>ice</strong>. Fur<strong>the</strong>r off consolidated 40-70 cm thick <strong>ice</strong> with ridges.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, leve1 <strong>ice</strong> toncentration 100 %, consolidated <strong>ice</strong> toncentration<br />

100 %, rafted <strong>ice</strong>, ridged <strong>ice</strong>.<br />

Verification: Fast <strong>ice</strong> is visible very good. Leve1 <strong>ice</strong> with ship l<strong>in</strong>es and <strong>the</strong> ridged consolidated <strong>ice</strong><br />

are visible <strong>in</strong> details.<br />

Obscurity: No.<br />

Date: 04.03.19<strong>94</strong> 20: 10 UTC<br />

45

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