Download presentation
Presentation is loading. Please wait.
Published byMelina Johnson Modified over 8 years ago
1
ALADIN forecast experience in Croatia Lovro Kalin, Meteorological and Hydrological Service Many thanks to: Marija Mokoric, Tanja Trosic, Martina Tudor, Stjepan Ivatek-Sahdan, Antonio Stanesic, Natasa Strelec Mahovic, Tanja Renko...
2
ALADIN at DHMZ Main source for the operational forecast at National Service (along with ECMWF) Particularly for short-range AL32T3 for 8 km run, AL36T1 for 2 km NH run 4 runs (00, 06, 12, 18) ECMWF boundary conditions
3
Survey... Very good wind forecast Particularly for bora Not so skillfull at open sea (sirocco) Temperature forecast bad at extremes (and sudden changes) Exceptionally high Hit Rate for inversions Even overestimating (False Alarms) Overestimating the precipitation
4
temperature forecast...
5
May 2014 flood
6
One of the worst in the modern history Affected Bosna and Sava river catch 2 dead in Croatia tens in Serbia and BH thousands of houses destroyed the rescue was partly efficient Pointed to numerous deficiences in the rescue authorities
7
Sava River Satelite image NASA AQUA spectroradiometer MODIS, 19. May 2014 (combination visible and infra-red channels 7,2,1)
8
Sava River Copernicus GIO Emergency Management Service
9
Sava River Copernicus GIO Emergency Management Service
10
Sava River Copernicus GIO Emergency Management Service
11
Sava River Copernicus GIO Emergency Management Service
20
Comparison of measurement (purple line) to ALADIN forecasted mean and maximum wind speed of ALADIN/HR 8 km resolution and DADA 2 km resolution (00 and 12 runs) for Gradište and Zagreb.
21
Vertical profile...
22
Meteo-Alarm WARNINGS ISSUED FOR 15. MAY 2014.
23
Case summary Extreme rain spell Rainy period in the past – wet soil Well predicted by met. models – warnings on extreme precipitaition issued deep and unusually stationary cyclone over SE Europe (Bosnia and Herzegovina) Flood was ‘inevitable’
24
2014 freezing rain From Jan 31 st to Feb 5 th dsdf Croatia and Slovenia Damage 450 mil HRK = 60 mil EUR (Croatia) Was not forecasted at all?! (Croatia)
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.