CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST
ISSUED AT 09:00 THURSDAY MARCH 26
VALID FROM : THURSDAY MARCH 26 ‑‑ UNTIL : TUESDAY MARCH 31 2015
The flowers in your heart
Confined in winter
Low trough Iceland to Italy, partly filling over the Alps while the Azores high is extending a weak ridge towards Switzerland. Some sunny spells therefore expected to spreading out today, high up at first, depending on the moderate northwesterly stream which will set up and then gradually increase until the week‑end. Humidity will however persist in the lower air layers and some very light precipitation might occur again overnight. Thus, similar scenario than today’s will reproduce on Friday. More structured disturbance is expected to crossing over the area between Saturday evening and Monday morning.
TODAY - THURSDAY MARCH 26
SKY CONDITION : morning low cloud in the valley ‑ sunny spells high up ‑ afternoon sunny spells in the valley as well. Period of sunshine close to 35%.
PRECIPITATION : some light drizzle along the slopes in the morning ‑ drying in the afternoon.
WIND - ground level : variable light.
WIND - mid mountain : variable light.
WIND - high mountain : W light ‑> NW moderate.
TEMPERATURE : low +1°C - high +7°C.
ISOTHERM 0°C : 1200 ‑> 1800 ‑> 1500 m.
ISOTHERM -10°C : 3800 m.
ROAD CONDITION ••••• : @ 06:30, humid roadways.
SKY CONDITION : mostly cloudy to overcast.
PRECIPITATION : light precipitation likely ‑ snow flurries above 1200 m.
WIND - aloft : NW moderate ‑> NNW strong to gale force.
TEMPERATURE : low +1°C.
FRIDAY MARCH 27
SKY CONDITION : morning low cloud in the valley, yet partly cloudy high up ‑ low cloud dispelling in the afternoon. Period of sunshine close to 55%.
PRECIPITATION : none.
WIND - aloft : NNW strong to gale force ‑> strong.
TEMPERATURE : low 1 °C - high +10°C.
SATURDAY MARCH 28
SKY CONDITION : partly cloudy in the morning ‑ becoming cloudy in the afternoon. Period of sunshine close to 55%.
PRECIPITATION : late afternoon shower likely ‑ rain‑snow limit towards 1800 m.
WIND - aloft : NNW moderate to strong ‑ at times NW moderate.
TEMPERATURE : dropping lows rising highs.
EXTENDED OUTLOOK UNTIL TUESDAY MARCH 31 2015
Sunday : uncertain ‑ probably rainy in the afternoon. Monday : uncertain ‑ gloomy morning ‑ improving in the afternoon ‑ sunny spells while getting milder. Tuesday : uncertain ‑ sunny spells ‑ mild. The NW altitude stream will remain fairly strong or even strong during the three days.
Forecast reliability : poor.