CHAMONIX VALLEY AND MONT-BLANC AREA WEATHER FORECAST
Matsuo Bashō
Ah spring spring
How great is spring !
and so on
How great is spring !
and so on
VALID FROM : FRIDAY MAY 24 -- UNTIL : THURSDAY MAY 30 2013
GENERAL SYNOPSIS
Extended low area over Europe. Minimum 1005 hpa, Eastern English Channel, linked to an altitude cold drop. The whole system is moving southeast while filling. Linked disturbance crossing over the Alps by Saturday. Starting up to improving on Sunday and furthermore on Monday. Southwesterly stream setting up from Tuesday, thus triggering a rainy-thundery deterioration from Tuesday.
FRIDAY EVENING MAY 24 - AND OVERNIGHT
Cold - scattered showers - more frequent in the afternoon
SKY CONDITION : mostly cloudy, then overcast.
PRECIPITATION : scattered showers in the first of the night - becoming more frequent later - rain-snow limit towards 1200 m, dropping towards 900 m.
WIND - ground level : variable light.
WIND - mid mountain : SE -> NW light.
WIND - high mountain : W light to moderate -> S light.
TEMPERATURE : low 0°C.
ISOTHERM 0°C : 1400 -> 1200 m.
ISOTHERM -10°C : 2800 -> 2600 m.
Shower risk is lower in the Upper Aosta Valley.
TOMORROW - SATURDAY MAY 25
Cold and unsettled - mainly cloudy - frequent precipitation in the morning
SKY CONDITION : mostly cloudy to overcast. period of sunshine close to 0%.
PRECIPITATION : frequent in the morning, becoming scattered in the afternoon, although locally heavy with possible thunderstorm - rain-snow limit towards 900 m, rising up towards 1200 m - expected snowfall towards 1800 m : 15-25 cm.
WIND - ground level : NW light -> N light to moderate.
WIND - mid mountain : S light -> NE light to moderate.
WIND - high mountain : variable light -> NE light to moderate.
TEMPERATURE : low 0°C - high +6°C.
ISOTHERM 0°C : 1200 -> 1500 m.
ISOTHERM -10°C : 2600 -> 2800 m.
Fleeting sunny spells likely over the Upper Aosta Valley.
SATURDAY TO SUNDAY NIGHT - MAY 25 TO 26
Cold - scattered showers - possible clear spell later
SKY CONDITION : mostly cloudy - becoming probably cloudy with clear spell by the end of the night.
PRECIPITATION : scattered showers - becoming isolated - rain-snow limit towards 1100 m.
WIND - aloft : NE light to moderate -> NNW light.
TEMPERATURE : low +1°C.
Uncertain.
SUNDAY MAY 26
Cold and unsettled - showers - some sunny spells
SKY CONDITION : mostly cloudy - becoming cloudy with sunny spells during the afternoon. Period of sunshine close to 30%.
PRECIPITATION : isolated showers - rain-snow limit towards 1500 m.
WIND - aloft : NNW light -> light to moderate.
TEMPERATURE : low +1 °C - high +8°C.
Incertain.
MONDAY MAY 27
Improving - fairly sunny - getting milder
SKY CONDITION : fairly sunny - cumulus cloud growth. Period of sunshine close to 80%.
PRECIPITATION : none.
WIND - aloft : NW light to moderate -> W moderate.
TEMPERATURE : low +3°C - high +15°C.
Uncertain.
EXTENDED OUTLOOK UNTIL THURSDAY MAY 30 2013
Tuesday : sunny morning - rainy-thundery deterioration at night. Wednesday : rainy morning - improving in the afternoon. Thursday : unsettled and cool - showers - fleeting sunny spells.
Forecast reliability : fairly good until Saturday - poor thereafter.
ReportsAs a reminder, today in Chamonix, the sun rises at 05:49:51 and goes down at 21:09:10.
|
45.55 N 6.51 E - Altitude 1040 m
24 May 14 h
Temperature +8°C
Relative humidity 50%
Wind SE 10 km/h
Sea level pressure 1009 hpa - steady
Pressure at 1042 m 889 mb
Precipitation last 6h 1.0 mm
Skies mostly cloudy - shower
Visibility 6000 m
|
Altitude 3845 m
24 May 14 h
Temperature -13°C
Wind WSW 20 km/h
|
Altitude 2250 m
24 May 14 h
Snow depth 205 cm
Wind 10 km/h
Gusts 25 km/h
Temperature -6°C
|
