CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST

From http://chamonix-meteo.com

ISSUED AT 08:20 SATURDAY FEBRUARY 22

GENERAL SYNOPSIS

High ridge 1032‑1030 hpa Azores to Eastern Alps, going along with subtropical air push high up reaching Southern Baltic Sea this Saturday, then Ukraine on Sunday. • This pattern repels Atlantic low systems circulation north of British Isles and draws out sunny and mild condition over the Alpine Range. • Loosening pressure gradient between very deep lows northward and rather high pressure figures southward makes northwest stream temporarily decrease high up; it will however resume strong or even severe gale while veering north by northwest upon approach of a rather blur cold front during the night to Monday. • And Monday will be the last day of the fair weather spell we’re currently experiencing.

TODAY - SATURDAY FEBRUARY 22

Fair weather ‑ cold in the morning ‑ very mild in the afternoon

SKY CONDITION : clear or partly cloudy ‑ thin high cloud at times. Period of sunshine close to 95%.
PRECIPITATION : none.
WIND - ground level : calm ‑> SW light ‑> calm.
TEMPERATURE : low ‑4°C - high +15°C.
ISOTHERM 0°C : 3000 ‑> 3200 m.
ROAD CONDITION  : bare roadways. (Friday. 08:00).

OVERNIGHT

Fair night ‑ mild, the median altitude range ‑ increasing wind high up

SKY CONDITION : clear or partly cloudy ‑ thin high cloud from north.
PRECIPITATION : none.
WIND - aloft : WNW moderate ‑> strong.
TEMPERATURE : low ‑3°C.

SUNDAY FEBRUARY 23

Sunny ‑ very mild in the afternoon ‑ windy high up

SKY CONDITION : clear or partly cloudy ‑ thin high cloud ‑ some cumulus cloud in the afternoon ‑ median altitude range cloud crossings later. Period of sunshine close to 80%.
PRECIPITATION : none.
WIND - aloft : WNW strong ‑> NNW severe gale.
TEMPERATURE : low ‑4 °C - high +15°C.

MONDAY FEBRUARY 24

Fair weather ‑ very mild in the afternoon ‑ still much wind high up in the morning

SKY CONDITION : clear or partly cloudy. Period of sunshine close to 95%.
PRECIPITATION : none.
WIND - aloft : WNW near gale ‑> WSW moderate to strong.
TEMPERATURE : rising slightly.

EXTENDED OUTLOOK UNTIL THURSDAY FEBRUARY 27 2020