25. februar 2000 ca. 00:30

9
Albert Mathis, Dipl. Ing. FH , Executive MBA There was a scattered There was a scattered unexpectedly great unexpectedly great cooling over the cooling over the complete area of the complete area of the Canton Canton (black ice on all roads (black ice on all roads ) ) 25. Februar 2000 ca. 00:30 25. Februar 2000 ca. 00:30 Example of great Example of great cooling cooling

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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. - PowerPoint PPT Presentation

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Page 1: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA

There was a scattered There was a scattered unexpectedly great cooling over unexpectedly great cooling over the complete area of the Canton the complete area of the Canton

(black ice on all roads(black ice on all roads))

25. Februar 2000 ca. 00:3025. Februar 2000 ca. 00:30

Example of great Example of great coolingcooling

Page 2: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

Page 3: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

Page 4: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

48 W

eath

erst

atio

n a

bov

e 0°

C

Page 5: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

48 W

eath

erst

atio

n a

bov

e 0°

C

Page 6: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

48 W

eath

erst

atio

n a

bov

e 0°

C

Page 7: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

48 W

eath

erst

atio

n a

bov

e 0°

C

24.02.2000 22:30

Page 8: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

52 W

eath

erst

atio

n m

inu

s T

emp

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ur

25.02.2000 02:00

Page 9: 25. Februar 2000 ca. 00:30

Albert Mathis, Dipl. Ing. FH , Executive MBA,

[email protected]

Report SpreaderdataReport Spreaderdata25. Februar 2000 ca. 00:30

One Decision-maker made all necessary orders

Trunk roadStreustr. Nummer Driven km Spreaded km Plough km Salt kg Brine kg Total kg2

Aglo Luzern 7 291.30 253.80 0.00 5391 1735 5825Seetal 7 424.70 351.10 0.00 5743 2203 6295Nord West 8 356.70 298.70 0.00 5901 2195 6450Entlebuch 7 282.50 239.00 0.00 5254 1220 5559TOTAL 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)