high resolution lmk-simulations (1 km) for extreme precipitation events in southern germany j.w....
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![Page 1: High resolution LMK-simulations (1 km) for extreme precipitation events in southern Germany J.W. Schipper Institute for Meteorology and Climate Research,](https://reader036.vdocuments.us/reader036/viewer/2022070306/5516026c550346a2308b4c88/html5/thumbnails/1.jpg)
High resolution LMK-simulations (1 km)for extreme precipitation events in southern Germany
J.W. SchipperInstitute for Meteorology and Climate Research, University of Karlsruhe
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Bad Herrenalb, 07.03.2007
Content
EU-Project PREVIEW Simulations Event 2002 First evaluation of simulations Event 2005
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EU-IP PREVIEW
Volcanoes
Fires
Earthquakes
Windstorms
Man-made
Landslides
Floods
Many risks exist ...
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EU-IP PREVIEW
GEO-INFORMATION SERVICES FOR RISK MANAGEMENT ON A EUROPEAN LEVEL
PREVIEW – PREVIEW – PREVPREVention, ention, IInformation, and nformation, and EEarly arly WWarningarning
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Bad Herrenalb, 07.03.2007
EU-IP PREVIEW
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EU-IP PREVIEW
PREVIEW: PREVention, Information, and Early Warning
Large `Integrated Project´ (IP) of the European Union (EU) - 56 partner!
Institute for Meteorology and Climate Research (IMK) is involved in the FLOODING part
•Short-Range Forecasting (until 3 days)Partner: IWS, BfG, LfU, IÖR, InfoTerra, Geomer
•Medium-Range Forecasting (between 3 and 10 days)Partner: DWD, ECMWF, ARPA-SIM, JRC, BfG, VITUKI,
Delft-Hydraulics
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Area of interest
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Time period
Period with heavy precipitation: August 2002
Precipitation amout 6-12 Aug. 2002 in Bavaria, Germany
Rainfall amounts:
6th & 7th August 2002
•139 mm (Ruhpolding)
•133 mm (Aschau/Chiemgau)
10th August 2002
•78 mm (Baiern-Kleinrohrsdorf)
•62 mm (Kempten)
Source: Hochwassernachrichtendienst, Bayerisches Landesamt für Wasserwirtschaft
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Orography
Max. height: 2.918 m
7000 m
3.235 m
2800 m
3.444 m
1000 m
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Simulations
1000 m Stationen
7000 m 2800 m Radar
August 2002
1 5 10 15 20 25 30
7000 m2800 m1000 m
Rainfall rates
mm
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Simulations
August 2002
1 5 10 15 20 25 30
7000 m2800 m1000 m
Rainfall rates
1000 m Stationen
7000 m 2800 m Radar
mm
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Event 2002
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Resolutions
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Cross-section
result for 12th August 2002
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Cross-section
result for 7th August 2002
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Cross-section
result for 7th August 2002
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Comparisons
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Heidke Skill Score
observations
true false
simulations
true a b
false c d
EN
ECScoreSkillHeidke
a: hit
b: false alarm
c: failure
d: inverse hit
daC
dcbaN
dcba
cdbdcabaE
C: total hits
N: total events
E: correct by chance
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Heidke Skill Score
Possible question:
How well does my model perform on 12th August 2002?
Results for 12th August 2002 (using a criterium of 10 mm/day):
HSS1000m = 0.21
HSS2800m = 0.03
HSS7000m = -0.01
A disadvantage is the arbitrarily chosen criterium of 10 mm/day.
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Heidke Skill Score
result for 12th August 2002
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Heidke Skill Score
result for 12th August 2002
1000 m resolution2800 m resolution7000 m resolution
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Heidke Skill Score
result for 12th August 2002
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20.08.2005 07:00 – 21.08.2005 06:00
21.08.2005 07:00 – 22.08.2005 06:00
Event 2005
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0
2
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Aichstetten
20
0Nie
ders
ch
lag
[m
m]
Periode: 20. August 2005 0:00 bis 22. August 2005 23:00
Messungen meteorologisches Modell
0
2
4
6
8
10
12
14
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18
20
Breitachklamm
0
2
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8
10
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Wiblingen
0
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10
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Kempten
Event 2005
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Summary
Finished 10-day period in 2002 Finished 3-day period in 2005 Started first comparisons with
measurement stations Comparisons with radar data needs
to be done