Hello everybody,

Hopefully, all istallation work goes on as planned, allthough the snow.

This mail for confirming the tomorrow meeting, for giving you meteo forecast, and a list of used chenmical and meteo forecast sites.

Meeting

Thursday, January 14, at 15 h.
LHVP
11, rue George Eastman
75013 PARIS
Tél. : 01 44 97 87 87


Could each PI please send the final list of deployed instruments to Valerie Gros (valerie.gros@lsce.ipsl.fr) for LHVP and to Jean Sciare for SIRTA (jean.sciare@lsce.ipsl.fr), or to me for other sites, if you are not present yourself. In this way, we will be able to have an exact overview over all instruments that will be running.

METEO + CHEM FORECAST


Forecast for the period Wednesday 13/1 to Tuesday 18/1
issued Wednesday 13/1 12h
From Meteo France by default, in brackets (from GSF) The weather in the next days is influenced by a low pressure system over Island, a low pressure system moving eastwards from Spain to Genoa (inducing variable winds over France, and a ridge of high pressure which can be form between the East European high and the Azore high. Temperature will become warmer, rain on Thursday and the weekend.

=> low to medium pollution levels due to precipitation, but light winds, no particular prospects for high pollution periods.

Wednesday 13/1 :
T max 2-4°C , no more precipitation, partially sunny Light winds (10 km/h) from S to SE
Surface PM2.5 ~ <40 µg/m3, low urban - rural gradient (still continental influence)

Thursday 14/1 :
T max 2-4°C, cloudy - rain Light surface winds (10 km/h) from SE, E in the morning and afternoon, turning to N during the night
Surface PM2.5 ~ <20 µg/m3, low regional background

Friday 15/1 :
T max 1-4°C, partially sunny to cloudy Light surface winds (10 km/h) from NW to SW (wind has turned by 270° during last day !)
Surface PM2.5 ~ <40 µg/m3, low regional background
- no aircraft flight, since aircraft needs to be transfered to Paris yet
- possibility for plume measurements in NE to E sector


Saturday 16/1 :
T max 1-4°C, cloudy, rain Moderately strong surface winds (20 km/h) from SE

Sunday 17/1 :
T max 4-7°C, partially sunny or rain (GSF)
Very light surface winds (5 km/h) from W

Monday 18/1 :
T max 2-3°C, cloudy or some precipitation (GSF)
Light surface winds (10 km/h) from E (GSF says N)


LIST OF SITES

Chemistry

LISA / based on PREVAIR forecast (MEGAPOLI specific)
back-up

PREVAIR

AIRPARIF

Laboratoire de Météorologie Dynamique

METEOROLOGY

METEO FRANCE

METEOCIEL (GSF, multimodel)

Laboratoire de Météorologie (Paris Ile de France specific)

Weather forecasts from several models (go to expert maps)
including ensemble forecast, frontal analysis

Cloud animation, animation, tape visible and infrared

Real time precipitation by radar including 3 h forecast

Best regards,

Matthias