Met Office UM @ met.noEWGLAM Oslo 6th October 2004Mariken Homleid, Ole Vignes, Dag Bjørge

Norwegian Meteorological Institute met.no

UM at met.no

• Met Office – met.no collaboration initiated in 2002

• First quasi-operational runs with UM3km in 2003

• MC2 has been faded out, plan is to also replace MM5

• UM 4km runs on 280 SGI-CPU’s. The UM also runs on met.no Linux cluster.

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

UM1km nested into HL10km/UM4km

Norwegian Meteorological Institute met.no

SAFRA nested into UM 1km

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Trondheim Wednesday morning 22/9 2004

Norwegian Meteorological Institute met.no

• Record rainfall created major problems in Trondheim on Wednesday morning.

• Flooded creeks forced firemen to evacuate three homes in the early hours of Wednesday morning as water rose high enough to begin pouring into houses.

• "Large amounts of precipitation have fallen and it is still raining. It looks terrible, water is running everywhere," operation leader Birgit Monsås of South Trøndelag police told news agency NTB.

• Ørlandet received a record amount of 62.5 mm (2.5 inches) of rain in 24 hours, 54 mm of that falling after 8 p.m., passing the previous mark of 54.3 mm set in August 1989.

Aftenposten newspaper:

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Lee side precipitation case

• Similar results for all resolutions

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no

Norwegian Meteorological Institute met.no