Thursday November 20th - 00:11
pm
afternoon
am
morning
Weather
0-2°C / +7°C
Fairly sunny - cold in the morning - milder in the afternoon
Sunrise : 7:41 - Sunset : 16:54
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Cham' weather
CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST
ISSUED AT 08:40 WEDNESDAY NOVEMBER 19 2008
VALID FROM : WEDNESDAY NOVEMBER 19 -- UNTIL : MONDAY NOVEMBER 24 2008
GENERAL SYNOPSIS
High 1041 hpa, far southwest of Ireland, almost stationary, allowing a northwesterly to northerly flow along its eastern flank. A very active cold front is expected to reaching the Alps by Friday, ahead of an extended polar air income.
TODAY - WEDNESDAY NOVEMBER 19 2008
Fairly sunny - cold in the morning - milder in the afternoon
SKY CONDITIONS (cloud - sunshine) : local fog early in the morning - becoming clear or partly cloudy - high cloud crossing over at times in the afternoon - period of sunshine close to 80%.
PRECIPITATIONS : none.
WIND - ground level : variable light.
- mid mountain : variable light.
- high mountain : NE moderate -> N light to moderate.
TEMPERATURE : min 0°C - maxi +6°C.
ISOTHERM 0°C : 1600 -> 2100 m.
ISOTHERM -10°C : 3400 -> 4000 m.
OVERNIGHT
Partly cloudy - cold
SKY CONDITIONS (cloud) : partly cloudy - high cloud crossing over.
PRECIPITATIONS : none.
WIND - aloft : N -> NW light to moderate.
TEMPERATURE : -2°C - inversion towards 1600 m.
TOMORROW - THURSDAY NOVEMBER 20
Fairly sunny - disturbance approaching towards the evening
SKY CONDITIONS (cloud - sunshine) : partly cloudy - high cloud crossing over at times - becoming cloudy from the northwest towards the evening - period of sunshine close to 70%.
PRECIPITATIONS : none.
WIND - aloft : NNW light -> moderate to strong.
TEMPERATURE : min -2°C - max +7°C.
FRIDAY NOVEMBER 21
Overcast - rain towards the middle of the day - snow at night - NW gale high up
SKY CONDITIONS (cloud - sunshine) : mostly cloudy - becoming overcast - period of sunshine close to 0%.
PRECIPITATIONS : starting up towards the middle of the day - becoming moderate in the afternoon - heavy towards the evening - rain-snow limit towards 1400 m, dropping towards 900 m at night - expected snowfall towards 1500 m : 20-30 cm.
WIND - aloft : NW moderate to strong -> gale force.
TEMPERATURE : dropping.
EXTENDED OUTLOOK UNTIL MONDAY NOVEMBER 24 2008
Saturday to Monday : snow showers - very cold - stong northwesterly to northerly wind high up.
Forecast reliability : fairly good until Friday - poor thereafter.
Reports
Chamonix-ville
45.9 N 6.9 E - Altitude 1042 m
19 November 07:00
Temperature 0 °C
Relative humidity 98 %
Wind 0 km/h
Pressure 1021 hpa - rising
Pressure at 1042 m 900 mb
Precipitation last 6h 0.0 mm
Low fog
Skies clear
Visibility 30000 m
Aiguille du Midi
Altitude 3845 m
19 November 07:00
Temperature -14 °C
Wind W 10 km/h
Relative humidity %
Le Lac Blanc
Altitude 2330 m
19 November 07:00
Snow depth 10 cm
Wind 20 km/h
Gusts -- km/h
Temperature -3 °C
Relative humidity -- %