MeteoSchweiz – herzlich willkommen

Eidgenössisches Departement des Innern EDI
Bundesamt für Meteorologie und Klimatologie MeteoSchweiz
Eidgenössisches Departement für
Umwelt, Verkehr, Energie und Kommunikation UVEK
Bundesamt für Umwelt BAFU
Severe Weather and Flood
Warnings
by
Switzerland’s Federal Agencies
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss und David Volken, FOEN
Heavy rain and flood event August 2005
New discharge records at Reuss and several other rivers
in Switzerland
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
Bezzola et al., 2008
2
Floods 2005 in Lucerne
www.masurowski.com, 2005
Würsten, 2005
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
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Damage areas
Total damage of about 3’000 millions Swiss francs
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
Bezzola et al., 2008
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OWARNA
Report Nov. 2005
BRB 30.05.2007
Hess et al., 2010
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
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Revision of Alerting Regulation
FOEN and MeteoSwiss responsible for floods and
severe weather warnings since 2011
MeteoSwiss / FOEN, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
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Warning levels and warning regions
159 Warning regions
Warn event
Warning level
Soil frost
2
Gale/Storm warning (lake / airfield)
2
Slippery roads (icy road, hard-packed snow)
2
Stormy winds, strong windstorms
2
3
4
5
Heavy rain / sustained rainfall
2
3
4
5
Freezing rain
2
3
4
Snow, heavy or intensive snowfall
2
3
4
Severe thunderstorms widespread (prewarning / warning-outlook)
3
4
Local thunderstorms
3
4
Heat wave
3
4
A Warning-Outlook with prob ≥ 40% and max.
lead time of 24-120h
5
T0
12 p.m.
T+ 1
12 p.m.
V Prewarnings with prob ≥ 40% and max. lead T + 2
time of 24-72h (only for authorities)
T+ 3
Warnings
with
prob
≥
70%
and
max.
lead
W
T+ 4
time of 0-36h
12 p.m.
W
A
V
12 p.m.
12 p.m.
MeteoSwiss, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
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Warning levels
• Warning levels are based on physical measurements (mm rain)
• Warning levels are adjusted to the climatology of different regions
 Height, location in Switzerland, lowlands or mountains, etc.
MeteoSwiss, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
8
Hydrological forecasting area
Hydrological Switzerland: approx. 56‘000 km2
Rhine-Basel
35‘900 km2
Doubs-Ocourt
1‘200 km2
Rhone-Chancy
10‘300 km2
Inn-Martina
1‘900 km2
Ticino-Miorina
6‘600 km2
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
FOEN, 2016
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Discharge forecasts in Switzerland
FOEN, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
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Flood alert map for rivers and lakes
FOEN, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
11
Flood danger levels
From statistical-based warnings to
intervention-based warnings
FOEN, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
12
Collaboration between federal agencies
•
•
Telephone briefing for all heavy rain and flood events between federal agencies
Up to level 3, the warnings are normally only managed by the forecasters of the
different federal agencies
MeteoSwiss
Expected heavy rain and
flood event
Internal agreement and
decision for warnings
FOEN
Internal agreement for
warnings
Briefing with other federal
agencies
(FOEN / SLF / MeteoSwiss)
Decision and issuing
warnings
Issuing warnings
Issue joint bulletin of
natural hazards (NGB)
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
MeteoSwiss /
FOEN, 2016
13
Collaboration between federal agencies
If the weather event is very severe (level 4 or 5) the «Emergency Staff
Organisation for Natural Hazards» will support the forecasters.
This committee consists of members from the different federal agencies and
especially decides how the warnings are published.
Emergency Staff Organisation for Natural
Hazards
EO Met
FO BAFU
Forecasters
MeteoSwiss
Forecasters
FOEN
MeteoSwiss / FOEN, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
14
Distribution of Warnings
Specialists
(BAFU, MeteoSchweiz, SLF, SED)
National Emergency
Operations Centre
Authorities
• Cantonal authorities
• State Police
• Geological authorities
• Power stations
• Etc.
Warning
Hazard maps
Natural
hazards
bulletin
Public
• Web
• App
• Media
• Bulletins
• Etc.
MeteoSwiss / FOEN, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
15
Warning Products and Distribution
Outlook
•
•
Warning
Web
•
•
•
•
•
•
•
Weekly Outlook FOEN
Warning Outlook MeteoSwiss
Natural Hazards Portal
MeteoSwiss / FOEN
Meteo alarm
GIN
Official Warning
Natural hazards bulletin
Warning map
App
•
•
•
•
•
Push Warning
MeteoSwiss
Mobiliar
“Wetteralarm”
Etc.
SMS
•
Wake-up call FOEN
MeteoSwiss / FOEN, 2016
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
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Thank you for your attention!
© MeteoSchweiz, A. Hostettler
Interpraevent 2016 Lucerne, Switzerland, 31.05.2016
Sabrina Lang, MeteoSwiss and David Volken FOEN
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