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Example of great cooling. There was a scattered unexpectedly great cooling over the complete area of the Canton (black ice on all roads ). 25. Februar 2000 ca. 00:30. 48 Weatherstation above 0° C. 48 Weatherstation above 0° C. 48 Weatherstation above 0° C. 48 Weatherstation above 0° C.
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Example of great cooling There was a scattered unexpectedly great cooling over the complete area of the Canton (black ice on all roads) 25. Februar 2000 ca. 00:30
48 Weatherstation above 0° C 24.02.2000 22:30
52 Weatherstation minus Temperatur 25.02.2000 02:00
Report Spreaderdata 25. Februar 2000 ca. 00:30 One Decision-maker made all necessary orders Trunk road Streustr. Nummer Driven km Spreaded km Plough km Salt kg Brine kg Total kg2 Aglo Luzern 7 291.30 253.80 0.00 5391 1735 5825 Seetal 7 424.70 351.10 0.00 5743 2203 6295 Nord West 8 356.70 298.70 0.00 5901 2195 6450 Entlebuch 7 282.50 239.00 0.00 5254 1220 5559 TOTAL 29 1355.20 1142.60 0.00 22289 7353 24‘129 Roadsurface Trunk road 492 km + 90 km Local Roads, road width 6,7 m = 3,9 Mio m2 Salt amount --> 6,2 gr/m2 (24‘129/3‘900) or 42 g/m or 42 kg/km (6.2 * 6.7) 67 kg/miles (42 * 1.609344) or 147 lbs/miles (66.7 /0.45359237) Motorway (with 2, 3 and 4 lanes) 5 304.40 174.10 0.00 6098 2269 6‘665 Roadsurface motorway A2 und A14, 57 km, road width 26,3 m = 1,417 Mio m2 Salt amaount ---> 4,7 gr/m2 (6‘665/1417) oder 124 gr/m , kg/km (4.7 * 26.3) 199 kg/miles (124 * 1.609344) or 439 lbs/miles (199 /0.45359)