Heavy rainfalls in Moldova Elina Plesca, engineer-programmer, Weather Forecasting Center EUMETCAL...

Heavy rainfalls in MoldovaHeavy rainfalls in Moldova

Elina PlescaElina Plesca, , engineer-programmer,

Weather Forecasting Center

EUMETCAL NWP course, October 22 – December 14, 2007

State Hydrometeorological Service, Republic of Moldova

State Hydrometeorological ServiceState Hydrometeorological Service

• Acting since 1944Acting since 1944• Nowadays provides meteorological, hydrological, Nowadays provides meteorological, hydrological,

agrometeorological and air quality informationagrometeorological and air quality information• The Weather Forecasting Center:The Weather Forecasting Center:– 1-5 days forecasts for general public1-5 days forecasts for general public– Specialized forecasts (Emergency Department, Specialized forecasts (Emergency Department,

National Army, Transport authorities etc.)National Army, Transport authorities etc.)– Extreme weather warningsExtreme weather warnings

EUMETCAL NWP course, Langen, 26-29 November 2007

Main weather influencing factorsMain weather influencing factors

• The Black SeaThe Black Sea• The CarpathiansThe Carpathians• The Eastern European PlainThe Eastern European Plain


Most dangerous weather Most dangerous weather eventsevents

• Heavy rainfallsHeavy rainfalls• Ground frostsGround frosts• Heavy snowfallsHeavy snowfalls• Very low temperaturesVery low temperatures

Analyzed data/productsAnalyzed data/products

• Surface dataSurface data• Upper air data… no upper air station, surrounding Upper air data… no upper air station, surrounding

area very poor coveredarea very poor covered• Satellite data > Meteosat, NOAASatellite data > Meteosat, NOAA• Radar data > MRL-5, Romanian Doppler (very Radar data > MRL-5, Romanian Doppler (very

limited information, but important due to the area limited information, but important due to the area of coverage) of coverage)

• NWP products > no regional model in use, NWP products > no regional model in use, “standard” products (DWD, MetOffice, ECMWF, “standard” products (DWD, MetOffice, ECMWF, GFS, NCEP, NOGAPS etc.)GFS, NCEP, NOGAPS etc.)


Case studiesCase studies

August 7, 2005 – heavy rainfalls over MoldovaAugust 7, 2005 – heavy rainfalls over Moldova

July 13, 2006 – heavy thunderstorms and hail July 13, 2006 – heavy thunderstorms and hail over the central part of Moldovaover the central part of Moldova




Biggest amount of Biggest amount of precipitation – 83 precipitation – 83 mm/12 hmm/12 h

In Chisinau – 57 In Chisinau – 57 mm/12 hmm/12 h

Flooded houses, Flooded houses, railway stationrailway station

Case studiesCase studies


July 13, 2006 – heavy thunderstorms and hail July 13, 2006 – heavy thunderstorms and hail over the central part of Moldovaover the central part of Moldova


July 13, 2006 – heavy thunderstorms and hail over the July 13, 2006 – heavy thunderstorms and hail over the central part of Moldovacentral part of Moldova

• Biggest amount of Biggest amount of precipitation – 31 mmprecipitation – 31 mm

• Hail, 20 mm in Hail, 20 mm in diameter, 6-15 min diameter, 6-15 min durationduration

• 1 victim1 victim• About 1 mln € About 1 mln €

material lossmaterial loss



Surface analysis, July 13, 2006, 00 UTC



Height/temperature 500 hPa, July 13, 2006, 00 UTC



Height/temperature 850 hPa, July 13, 2006, 00 UTC



Radar composite, July 13, 2006, 15.39 UTC



Radar composite, July 13, 2006, 18.47 UTC


Thank you!Thank you!


Heavy rainfalls in Moldova Elina Plesca, engineer-programmer, Weather Forecasting Center EUMETCAL...

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