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

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49<br />

Verification: Very good even <strong>in</strong> details.<br />

Obscurity: No.<br />

Date: 08.03.19<strong>94</strong> 09:48 UTC<br />

Image: ers-<strong>94</strong>0308-d5<br />

Area: Off Kask<strong>in</strong>en<br />

Ice thickness: Fast <strong>ice</strong> 45-65 cm, snow 2-10 cm. Off <strong>the</strong> fast <strong>ice</strong> at first an area of 20-40 cm thick<br />

consolidated ridged <strong>ice</strong>, and <strong>the</strong>n a lead. Fur<strong>the</strong>r off 20-40 cm thick very close drift <strong>ice</strong> <strong>in</strong> vast<br />

floes. The western part is covered by consolidated <strong>ice</strong>, 20-40 cm thick.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, leve1 <strong>ice</strong> toncentration 100 %, drift <strong>ice</strong> toncentration 70 %,<br />

consolidated <strong>ice</strong> of toncentration 100 %.<br />

Verification: Ice edge is unclear.<br />

Obscurity: Ice edge.<br />

Date: 08.03.19<strong>94</strong> 09:48 UTC<br />

Image: ers-<strong>94</strong>0308-d6<br />

Area: Off Rauma<br />

Ice thickness: From east to west 20-40 cm thick drift <strong>ice</strong> and <strong>the</strong>n a lead with narrow drift <strong>ice</strong> belts,<br />

<strong>the</strong>n 20-40 cm thick close drift <strong>ice</strong>. More to <strong>the</strong> west 20-40 cm thick ridged consolidated <strong>ice</strong>.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Consolidated <strong>ice</strong> toncentration 95 %, drift <strong>ice</strong> toncentration 50 %, drift <strong>ice</strong><br />

toncentration 70 %, rafted <strong>ice</strong>, ridged <strong>ice</strong>.<br />

Verification: Partly <strong>ice</strong> edge.<br />

Obscurity: Ice edge.<br />

Date: 08.03.19<strong>94</strong> 09:48 UTC<br />

Image: ers-<strong>94</strong>0308-d7<br />

.<br />

Area: Off Mariehamn<br />

Ice thickness: Fast <strong>ice</strong> 20-40 cm thick. Then to <strong>the</strong> west lo-30 cm thick mostly leve1 <strong>ice</strong>. Fur<strong>the</strong>r to<br />

<strong>the</strong> northwest and north open water with strips of drift <strong>ice</strong>. The nor<strong>the</strong>m part consists of 20-40 cm<br />

thick ridged consolidated <strong>ice</strong>.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, leve1 <strong>ice</strong> toncentration 98- 100 %, consolidated <strong>ice</strong> toncentration<br />

100 %, drift <strong>ice</strong> toncentration lo-70 %, rafted <strong>ice</strong>, ridged <strong>ice</strong>.<br />

Verification: Partly <strong>ice</strong> edge.<br />

Obscurity: Ice edge.<br />

Date: 10.03.19<strong>94</strong> 20: 10 UTC<br />

Image: ers-<strong>94</strong>03 1 O-sl<br />

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

Ice thickness: Fast <strong>ice</strong> 40-60 cm, snow 0- 15 cm. Off <strong>the</strong> fast <strong>ice</strong> 20-40 cm thick rafted and ridged<br />

consolidated <strong>ice</strong> with frozen leads. At <strong>the</strong> Estonian coast off <strong>the</strong> fast <strong>ice</strong> a lead.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <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: 10.03.19<strong>94</strong> 2O:lO UTC<br />

Image: ers-<strong>94</strong>03 1 O-a<br />

Area: Off Kokkola<br />

Ice thickness: Fast <strong>ice</strong> 45-65 cm, snow 5-20 cm. Off <strong>the</strong> fast <strong>ice</strong> 20-40 cm thick rafted consolidated<br />

<strong>ice</strong> with cracks and m<strong>in</strong>or leads. Then 30-50 cm thick rafted consolidated <strong>ice</strong>. Fur<strong>the</strong>r off<br />

consolidated 40-70 cm thick <strong>ice</strong> with ridges.<br />

Ice types <strong>in</strong> <strong>the</strong> image: Fast <strong>ice</strong>, consolidated <strong>ice</strong> toncentration 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.

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