CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST


Tan Taïgi
Sweeping
And then not sweeping
The fallen leaves
ISSUED AT 08:00 WEDNESDAY NOVEMBER 14
VALID FROM : WEDNESDAY NOVEMBER 14 ‑‑ UNTIL : MONDAY NOVEMBER 19 2018

GENERAL SYNOPSIS
High toping slightly above 1030 hpa over the Austrian Alps, reinforced by mild altitude high ridge which extends from Libya. • Fair autumnal condition until Monday, sunny and mild. Low cloud or fog patches risk in the valleys expected to increasing during the week‑end. Temperature expected to getting at last close to seasonal averages by the middle of next week.
TODAY - WEDNESDAY NOVEMBER 14
Fair weather ‑ mild in the afternoon, especially in the median altitude range
SKY CONDITION : clear ‑ thin high cloud at times. Period of sunshine close to 100%.
PRECIPITATION : none.
WIND - ground level : variable ‑> SW ‑> variable light.
WIND - mid mountain : WSW light ‑ light to moderate at times.
WIND - high mountain : NE light ‑> SE light to moderate.
TEMPERATURE : low 0°C - high +16°C.
ISOTHERM 0°C : 3500 ‑> 3400 m.
ISOTHERM -10°C : 5000 m.
OVERNIGHT
Clear skies ‑ frost in the valley by the end of the night
SKY CONDITION : clear ‑ low cloud condensing in the valley is unlikely.
PRECIPITATION : none.
WIND - aloft : SE light to moderate.
TEMPERATURE : low ‑1°C.
THURSDAY NOVEMBER 15
Fair weather ‑ cold in the morning ‑ mild in the afternoon
SKY CONDITION : clear. Period of sunshine close to 100%.
PRECIPITATION : none.
WIND - aloft : SE light to moderate.
TEMPERATURE : low ‑2 °C - high +14°C.
FRIDAY NOVEMBER 16
Fair weather ‑ low stratus cloud slight risk ‑ mild afternoon in the valley
SKY CONDITION : clear or partly cloudy ‑ low stratus cloud seems low. Period of sunshine close to 100%.
PRECIPITATION : none.
WIND - aloft : E light to moderate ‑> ENE moderate.
TEMPERATURE : dropping.
EXTENDED OUTLOOK UNTIL MONDAY NOVEMBER 19 2018

Saturday : fair weather ‑ fairly strong northeast going along with noticeable cooling high up ‑ early morning low stratus cloud risk. Sunday : fair ‑ east to southeast continues to blow fairly strong high up ‑ cooling continues as well ‑ early morning low stratus cloud risk. Monday : very uncertain ‑ altitude flow possibly dithering between NE Bise wind and fœhn ‑ fairly sunny and dry.

Forecast reliability : fairly good until Friday.

ReportsAs a reminder, today in Chamonix, the sun rises at 07:31:53 and goes down at 17:02:07.
45.55 N 6.51 E - Altitude 1040 m
November 14 07:00
Temperature 0°C
Relative humidity 92%
Wind 0 km/h
Sea level pressure 1027 hpa - steady
Pressure at 1042 m 909 mb
Precipitation last 6h 0.0 mm
Skies clear
Visibility 100000 m
Altitude 3845 m
November 14 07:00
Temperature -6°C
Wind W 20 km/h
Altitude 2250 m
November 14 06:00
Snow depth 0 cm
Wind 5 km/h
Gusts 10 km/h
Temperature +4°C