| CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST |
| ISSUED AT 08:11 WEDNESDAY MARCH 17 2010Copyright © 2009, chamonix-meteo.com |
| VALID FROM : WEDNESDAY MARCH 17 -- UNTIL : MONDAY MARCH 22 2010 |
| GENERAL SYNOPSIS |
| High, 1031 hpa over Switzerland, drifting slowly southeast while strengthening. Stable and gradually milder condition until Friday. Probably unsettled thereafter. |
| TODAY - WEDNESDAY MARCH 17 2010 |
| Fairly sunny - cold in the morning - mild in the afternoon |
| SKY CONDITIONS (cloud - sunshine) : high cloud crossing over in the morning - becoming clear or partly cloudy - period of sunshine close to 80%. |
| PRECIPITATION : none. |
| WIND | - | ground level : variable light. |
| - | mid mountain : SW light. | |
| - | high mountain : WNW moderate. |
| TEMPERATURE : min -7°C - max +12°C - morning inversion towards 1500 m. |
| ISOTHERM 0°C : | 1800 -> 2200 m. |
| ISOTHERM -10°C : | 3200 -> 3600 m. |
| OVERNIGHT |
| Clear - cold by dawn |
| SKY CONDITIONS (cloud) : clear. |
| PRECIPITATION : none. |
| WIND | - | aloft : WNW moderate. |
| TEMPERATURE : -4°C - inversion towards 1500 m. |
| TOMORROW - THURSDAY MARCH 18 |
| Fine weather - very mild in the afternoon |
| SKY CONDITIONS (cloud - sunshine) : clear - locally partly cloudy in the afternoon - high cloud crossing over - period of sunshine close to 90%. |
| PRECIPITATION : none. |
| WIND | - | aloft : W moderate -> WSW moderate to strong. |
| TEMPERATURE : | min -4°C - max +14°C - morning inversion towards 1500 m. |
| FRIDAY MARCH 19 |
| Fairly sunny - high cloud crossing over from the southwest |
| SKY CONDITIONS (cloud - sunshine) : partly cloudy to cloudy - high cloud crossing over from the southwest - period of sunshine close to 70%. |
| PRECIPITATION : none. |
| WIND | - | aloft : W moderate -> NW moderate to strong. |
| TEMPERATURE : | rising lows. |
| EXTENDED OUTLOOK UNTIL MONDAY MARCH 22 2010 |
| Saturday : changeable and mild - sunny spells - cloud crossing over - fœhn wind likely. Sunday : southwesterly disturbance crossing over. Monday : improving. |
| Forecast reliability : fairly good until Friday - poor thereafter. |
| Reports | ||
|
Chamonix-ville 45.9 N 6.9 E - Altitude 1042 m 17 March 07:00 Temperature -7 °C Relative humidity 95 % Wind 0 km/h Pressure 1032 hpa - rising slightly Pressure at 1042 m 909 mb Precipitation last 6h 0.0 mm Skies partly cloudy Visibility 35000 m |
Aiguille du Midi Altitude 3845 m 17 March 07:00 Temperature -12 °C Wind WSW 30 km/h Relative humidity % |
Le Lac Blanc Altitude 2330 m 17 March 07:00 Snow depth 150 cm Wind 15 km/h Gusts -- km/h Temperature -3 °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 |