Chamonix
“Many thanks for the best one yet.”
Paul NabarICAP
| CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST |
| ISSUED AT 08:47 FRIDAY JULY 30 2010Copyright © 2009, chamonix-meteo.com |
| VALID FROM : FRIDAY JULY 30 2010 -- UNTIL : WEDNESDAY AUGUST 04 2010 |
| GENERAL SYNOPSIS |
| Low 998 hpa, Southern Scandinavia, drifting north while filling. Altitude cold drop over the Alps, drifting towards the Genoa Gulf, maintaining instability in the morning. Improving thereafter while the pressure field is strengthening from the west. The air mass is then expected to remain dry and stable until an unsettled southwesterly stream is setting up by Sunday. Active thundery disturbance probably crossing over between Sunday evening and Tuesday morning. |
| TODAY - FRIDAY JULY 30 2010 |
| Morning cloud with isolated shower - becoming sunny and dry |
| SKY CONDITIONS (cloud - sunshine) : mostly cloudy to overcast early in the morning - sunny spells gradually spreading out later - becoming partly cloudy in the afternoon - period of sunshine close to 60%. |
| PRECIPITATION : isloated shower early in the morning - dry later. |
| WIND | - | ground level : variable light. |
| - | mid mountain : NNW light. | |
| - | high mountain : NNW strong -> NNE moderate to strong. |
| TEMPERATURE : min +9°C - max +21°C. |
| ISOTHERM 0°C : | 2700 -> 3300 m. |
| ISOTHERM -10°C : | 4500 -> 5500 m. |
| OVERNIGHT |
| Cloudy, then partly cloudy and cool |
| SKY CONDITIONS (cloud) : Clear - almost cold by dawn. |
| PRECIPITATION : none. |
| WIND | - | aloft : N moderate to strong -> NNW moderate. |
| TEMPERATURE : +5°C - inversion towards 1400 m. |
| TOMORROW - SATURDAY JULY 31 |
| Fair summer weather - cool in the morning - warm later |
| SKY CONDITIONS (cloud - sunshine) : clear or partly cloudy - period of sunshine close to 80%. |
| PRECIPITATION : none. |
| WIND | - | aloft : NNW -> WNW moderate. |
| TEMPERATURE : | min +5°C - max +24°C. |
| SUNDAY AUGUST 01 |
| Fair summer weather - cool in the morning - warm later |
| SKY CONDITIONS (cloud - sunshine) : clear in the morning - becoming cloudy in the afternoon - locally mostly cloudy towards the evening - period of sunshine close to 70%. |
| PRECIPITATION : isolated thundery showers or thunderstorms likely towards the latter part of the afternoon. |
| WIND | - | aloft : W -> WSW moderate to strong. |
| TEMPERATURE : | rising. |
| EXTENDED OUTLOOK UNTIL WEDNESDAY AUGUST 04 2010 |
| Monday : frequent thundery shower - dropping temperature. Tuesday : fairly sunny - cloudy at times. Wednesday : sunny - cool in the morning - warm in the afternoon. |
| Forecast reliability : poor. |
| Reports | ||
|
Chamonix-ville 45.9 N 6.9 E - Altitude 1042 m 30 July 07:00 Temperature +9 °C Relative humidity 100 % Wind 0 km/h Pressure 1015 hpa - steady Pressure at 1042 m 896 mb Precipitation last 6h 0.4 mm Shower Skies overcast Visibility 5000 m |
Aiguille du Midi Altitude 3845 m 30 July 07:00 Temperature -8 °C Wind WNW 10 km/h Relative humidity % |
Le Lac Blanc Altitude 2330 m 30 July 07:00 Snow depth 0 cm Wind 5 km/h Gusts -- km/h Temperature +2 °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 |
