| CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST |
| ISSUED AT 09:05 MONDAY SEPTEMBER 06 2010Copyright © 2009, chamonix-meteo.com |
| VALID FROM : MONDAY SEPTEMBER 06 -- UNTIL : SATURDAY SEPTEMBER 11 2010 |
| GENERAL SYNOPSIS |
| High 1030 hpa, Scandinavia, drifting east while weakening. Low 993 hpa, northwest of Ireland, driving a very unsettled southwesterly stream over the Alps from tonight. Series of rainy disturbance expected to crossing over the area until Thursday. High condition possibly resuming towards the end of the week. |
| TODAY - MONDAY SEPTEMBER 06 2010 |
| Partly sunny - increasing cloud in the afternoon |
| SKY CONDITIONS (cloud - sunshine) : partly cloudy to cloudy in the morning - thickening high cloud coming in during the afternoon while cumulus cloud are growing over the slopes - overcast at night - period of sunshine close to 50%. |
| PRECIPITATION : probably none. |
| WIND | - | ground level : variable light to moderate. |
| - | mid mountain : variable light -> SSW moderate. | |
| - | high mountain : NW -> W moderate. |
| TEMPERATURE : min +7°C - max +23°C. |
| ISOTHERM 0°C : | 3700 m. |
| ISOTHERM -10°C : | 5200 -> 5100 m. |
| OVERNIGHT |
| Overcast - rainy towards the end of the night |
| SKY CONDITIONS (cloud) : overcast or mostly cloudy at times. |
| PRECIPITATION : showers starting up towards the end of the night - locally heavy - rain-snow limit towards 3000 m. |
| WIND | - | aloft : W moderate -> SW moderate to strong - fœhn wind puffs likely in the valley. |
| TEMPERATURE : +13°C. |
| TOMORROW - TUESDAY SEPTEMBER 07 |
| Very active disturbance crossing over |
| SKY CONDITIONS (cloud - sunshine) : mostly cloudy to overcast - period of sunshine close to 0%. |
| PRECIPITATION : frequent thundery showers in the morning - continuous rain later, locally heavy - rain-snow limit towards 3000 m, dropping. |
| WIND | - | aloft : SW moderate to strong. |
| TEMPERATURE : | min +13°C - max +15°C. |
| WEDNESDAY SEPTEMBER 08 |
| Mainly cloudy - frequent shower - cooling down |
| SKY CONDITIONS (cloud - sunshine) : mostly cloudy to overcast - cloudy with fleeting sunny spell at times - period of sunshine close to 20%. |
| PRECIPITATION : showers - scattered in the morning - frequent in the afternoon - rain-snow limit towards 2600 m. |
| WIND | - | aloft : S -> W light to moderate - possible fœhn wind puffs in the morning. |
| TEMPERATURE : | dropping. |
| EXTENDED OUTLOOK UNTIL SATURDAY SEPTEMBER 11 2010 |
| Thursday : changeable and cooler - scattered showers - sunny spells spreading out. Friday : fairly sunny - still cool. Saturday : sunny and mild. |
| Forecast reliability : poor. |
| Reports | ||
|
Chamonix-ville 45.9 N 6.9 E - Altitude 1042 m 6 September 07:00 Temperature +7 °C Relative humidity 100 % Wind 0 km/h Pressure 1017 hpa - rising slightly Pressure at 1042 m 897 mb Precipitation last 6h 0.0 mm Skies partly cloudy Visibility 35000 m |
Aiguille du Midi Altitude 3845 m 6 September 07:00 Temperature -3 °C Wind WNW 30 km/h Relative humidity % |
Le Lac Blanc Altitude 2330 m 6 September 07:00 Snow depth 0 cm Wind 10 km/h Gusts -- km/h Temperature +9 °C Relative humidity -- % |
| c h a m o n i x - m e t e o . c o m Chamonix Valley and Mont-Blanc area weather information service |