Heavy rainfalls in Moldova Elina Plesca, engineer-programmer, Weather Forecasting Center EUMETCAL NWP course, October 22 – December 14, 2007 State Hydrometeorological Service, Republic of Moldova

State Hydrometeorological Service Acting since 1944 Acting since 1944 Nowadays provides meteorological, hydrological, agrometeorological and air quality information Nowadays provides meteorological, hydrological, agrometeorological and air quality information The Weather Forecasting Center: The Weather Forecasting Center: – 1-5 days forecasts for general public – Specialized forecasts (Emergency Department, National Army, Transport authorities etc.) – Extreme weather warnings EUMETCAL NWP course, Langen, November 2007

Main weather influencing factors The Black Sea The Black Sea The Carpathians The Carpathians The Eastern European Plain The Eastern European Plain EUMETCAL NWP course, Langen, November 2007 Most dangerous weather events Heavy rainfalls Heavy rainfalls Ground frosts Ground frosts Heavy snowfalls Heavy snowfalls Very low temperatures Very low temperatures

Analyzed data/products Surface data Surface data Upper air data… no upper air station, surrounding area very poor covered Upper air data… no upper air station, surrounding area very poor covered Satellite data > Meteosat, NOAA Satellite data > Meteosat, NOAA Radar data > MRL-5, Romanian Doppler (very limited information, but important due to the area of coverage) Radar data > MRL-5, Romanian Doppler (very limited information, but important due to the area of coverage) NWP products > no regional model in use, “standard” products (DWD, MetOffice, ECMWF, GFS, NCEP, NOGAPS etc.) NWP products > no regional model in use, “standard” products (DWD, MetOffice, ECMWF, GFS, NCEP, NOGAPS etc.) EUMETCAL NWP course, Langen, November 2007

Case studies August 7, 2005 – heavy rainfalls over Moldova August 7, 2005 – heavy rainfalls over Moldova July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova EUMETCAL NWP course, Langen, November 2007

August 7, 2005 – heavy rainfalls over Moldova EUMETCAL NWP course, Langen, November 2007 Biggest amount of precipitation – 83 mm/12 h Biggest amount of precipitation – 83 mm/12 h In Chisinau – 57 mm/12 h In Chisinau – 57 mm/12 h Flooded houses, railway station Flooded houses, railway station

August 7, 2005 – heavy rainfalls over Moldova EUMETCAL NWP course, Langen, November 2007

August 7, 2005 – heavy rainfalls over Moldova EUMETCAL NWP course, Langen, November 2007

August 7, 2005 – heavy rainfalls over Moldova EUMETCAL NWP course, Langen, November 2007

August 7, 2005 – heavy rainfalls over Moldova EUMETCAL NWP course, Langen, November 2007

Case studies August 7, 2005 – heavy rainfalls over Moldova August 7, 2005 – heavy rainfalls over Moldova July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova EUMETCAL NWP course, Langen, November 2007

July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova Biggest amount of precipitation – 31 mm Biggest amount of precipitation – 31 mm Hail, 20 mm in diameter, 6-15 min duration Hail, 20 mm in diameter, 6-15 min duration 1 victim 1 victim About 1 mln € material loss About 1 mln € material loss EUMETCAL NWP course, Langen, November 2007

July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova Surface analysis, July 13, 2006, 00 UTC EUMETCAL NWP course, Langen, November 2007

July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova Height/temperature 500 hPa, July 13, 2006, 00 UTC EUMETCAL NWP course, Langen, November 2007

July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova Height/temperature 850 hPa, July 13, 2006, 00 UTC EUMETCAL NWP course, Langen, November 2007

July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova Radar composite, July 13, 2006, UTC EUMETCAL NWP course, Langen, November 2007

July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova Radar composite, July 13, 2006, UTC EUMETCAL NWP course, Langen, November 2007

July 13, 2006 – heavy thunderstorms and hail over the central part of Moldova EUMETCAL NWP course, Langen, November 2007

Thank you! EUMETCAL NWP course, Langen, November 2007