CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST
Eugène Delacroix, La Liberté guidant le peuple
ISSUED AT 19:25 ON WEDNESDAY FEBRUARY 10, 2016
VALID FROM : WEDNESDAY FEBRUARY 10 -- UNTIL : TUESDAY FEBRUARY 16 2016

GENERAL SYNOPSIS
The maritime polar air tail which rushed after last night's disturbance will get almost inactive tonight. Loosening pressure gradient from the south will allow for the snow shower to end towards the latter part of the night, while the wind will be decreasing slightly by Thursday noon. This cold lull will persist until Thursday evening ahead of a slightly milder and somewhat unsettled spell. • Noria of lows is expected to resuming with a 980 hpa coming in over Ireland by Friday evening. The bad weather which is expected to resuming on Friday will probably be affecting the Alps until Monday.
WEDNESDAY EVENING FEBRUARY 10 - AND OVERNIGHT
Mainly cloudy with scattered showers - getting very cold while clearing later
SKY CONDITION : mostly cloudy, then cloudy - clear spells spreading out towards the latter part of the night.
PRECIPITATION : light and scattered snow showers - almost no layer left on the ground.
WIND - ground level : variable ligh.
WIND - mid mountain : W light to moderate -> SW light.
WIND - high mountain : WNW strong -> moderate.
TEMPERATURE : low -7°C.
ISOTHERM 0°C : 500 m.
ISOTHERM -10°C : 2200 m.
Not so cold if clouds do not clear by dawn.
ROAD CONDITION  : @ 06:00, partly snow covered roadways on untreated itineraries.morelive precipitation radar over the Alps
TOMORROW - THURSDAY FEBRUARY 11
Fairly sunny ‑ becoming slightly unsettled and somewhat milder later
SKY CONDITION : partly cloudy - becoming cloudy from the west later in the afternoon. Period of sunshine close to 70%.
PRECIPITATION : none.
WIND - ground level : variable light.
WIND - mid mountain : SW light -> WSW light to moderate.
WIND - high mountain : WNW strong -> W moderate to strong.
TEMPERATURE : low -6°C - high 0°C.
ISOTHERM 0°C : 500 -> 800 m.
ISOTHERM -10°C : 2200 -> 2400 m.
Uncertain.
THURSDAY TO FRIDAY NIGHT - FEBRUARY 11 TO 12
Shower passings, followed by clear spells - very cold by dawn
SKY CONDITION  : mostly cloudy, becoming cloudy - clear spells spreading out towards the latter part of the night.
PRECIPITATION : light and scattered showers - almost no layer left on the ground.
WIND - aloft : W -> WNW moderate to strong.
TEMPERATURE : low -5°C.
Very uncertain.
FRIDAY FEBRUARY 12
Rainy-snowy deterioration - gale likely high up
SKY CONDITION : hazy sunny spell early in the morning - becoming mostly cloudy, then overcast. Period of sunshine close to 35%.
PRECIPITATION : starting up shortly before noon, intermittent and light - becoming heavier in the evening - changeable rain-snow limit around 1000 m - expected snowfall towards 1800 m : ± 5 cm.
WIND - aloft : WNW moderate to strong -> WSW moderate -> WNW strong to gale force.
TEMPERATURE : low -5 °C - high -1°C.
Very uncertain.
SATURDAY FEBRUARY 13
Very unsettled, yet slightly milder - gale high up - fairly heavy precipitation later
SKY CONDITION : overcast or mostly cloudy at times. Period of sunshine close to 0%.
PRECIPITATION : moderate in the morning - becoming moderate to strong in the afternoon - rain-snow limit towards 1100 m - expected snowfall towards 1800 m : 25-40 cm, windblown.
WIND - aloft : W strong -> WNW severe gale.
TEMPERATURE : low -2°C - high +2°C.
Very uncertain.
EXTENDED OUTLOOK UNTIL TUESDAY FEBRUARY 16

Sunday and Monday : cold low pressure area high up, getting even colder - snow showers and fleeting sunny spells. Tuesday : hope for a cold lull ‑ fair sunny spells - snow shower slight risk. Very uncertain for the three days.

Forecast reliability : fairly good until Thursday - poor thereafter.

ReportsAs a reminder, today in Chamonix, the sun rises at 07:41:03 and goes down at 17:52:24.
45.55 N 6.51 E - Altitude 1040 m
11 February 07:00
Temperature -6°C
Relative humidity 91%
Wind 0 km/h
Sea level pressure 1009 hpa - rising
Pressure at 1042 m 888 mb
Precipitation last 6h 2.0 mm
Skies clear
Visibility 75000 m
Altitude 3845 m
11 February 07:00
Temperature -25°C
Wind WNW 25 km/h
Altitude 2250 m
11 February 06:00
Snow depth 230 cm
Wind 10 km/h
Gusts 15 km/h
Temperature -14°C