Chamonix Weather
CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST |
| ISSUED AT 08:45 FRIDAY NOVEMBER 21 2008 |
| VALID FROM : FRIDAY NOVEMBER 21 -- UNTIL : WEDNESDAY NOVEMBER 26 2008 |
| GENERAL SYNOPSIS |
| High 1041 hpa, far west of Ireland, almost stationary. Extended low area 972-975 hpa over Scandinavia, filling slowly. Linked cold front, very active, reaching the Alps today, ahead of an extended unsettled and humid polar air income |
| TODAY - FRIDAY NOVEMBER 21 2008 |
| Overcast - snow - NW gale high up |
| SKY CONDITIONS (cloud - sunshine) : overcast - period of sunshine close to 0%. |
| PRECIPITATION : starting up in the morning - becoming moderate in the afternoon - locally heavy towards the evening - rain-snow limit towards 1200 m, dropping towards 600 m at night - expected snowfall towards 1500 m : 25-35 cm. |
| WIND | - | ground level : variable light. |
| - | mid mountain : WSW light -> WNW moderate to strong. | |
| - | high mountain : NW strong -> gale force. |
| TEMPERATURE : min 0°C - max +2°C. |
| ISOTHERM 0°C : | 1800 -> 500 m. |
| ISOTHERM -10°C : | 4200 -> 3100 m. |
| OVERNIGHT |
| Snow - getting noticeably colder |
| SKY CONDITIONS (cloud) : overcast. |
| PRECIPITATION : continuous - moderate at first, then light - rain-snow limit below 500 m - expected snowfall towards 1500 m : 20-30 cm. |
| WIND | - | aloft : NW gale. |
| TEMPERATURE : -4°C. |
| TOMORROW - SATURDAY NOVEMBER 22 |
| Mainly cloudy - snowy - cold - gale high up |
| SKY CONDITIONS (cloud - sunshine) : overcast or mostly cloudy - period of sunshine close to 0%. |
| PRECIPITATION : frequent showers - rain-snow limit below 500 m - expected snowfall towards 1500 m : 20-30 cm |
| WIND | - | aloft : NW gale -> NNW strong. |
| TEMPERATURE : | min -4°C - max -2°C. |
| SUNDAY NOVEMBER 23 |
| Scattered snow showers - very cold - fleeting sunny spells |
| SKY CONDITIONS (cloud - sunshine) : mostly cloudy or cloudy at times with fleeting sunny spell - period of sunshine close to 20%. |
| PRECIPITATION : scattered showers - rain-snow limit below 500 m - expected snowfall towards 1500 m : 5 -10 cm. |
| WIND | - | aloft : N strong -> NW moderate to strong. |
| TEMPERATURE : | dropping in the morning - rising later. |
| EXTENDED OUTLOOK UNTIL WEDNESDAY NOVEMBER 26 2008 |
| Monday : overcast - slightly milder - frequent snow showers - becoming scattered towards the evening. Tuesday and Wednesday : very cold - sunny spells likely - outlook is uncertain. |
| Forecast reliability : fairly good until Sunday - poor thereafter. |
| Reports | ||
|
Chamonix-ville 45.9 N 6.9 E - Altitude 1042 m 21 November 07:00 Temperature 0 °C Relative humidity 98 % Wind 0 km/h Pressure 1020 hpa - falling Pressure at 1042 m 899 mb Precipitation last 6h 0.0 mm Visibility 18000 m |
Aiguille du Midi Altitude 3845 m 21 November 07:00 Temperature -9 °C Wind W 50 km/h Relative humidity % |
Le Lac Blanc Altitude 2330 m 21 November 07:00 Snow depth 5 cm Wind 30 km/h Gusts -- km/h Temperature +2 °C Relative humidity -- % |
| w w w . c h a m o n i x - w e a t h e r . c o m Chamonix Valley and Mont-Blanc area weather information service |
| © chamonix-weather.com |