Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
An energy balance model for prediction of surface temperatures
SMHI.
Meterologi.
SMHI.
1991 (English)Report (Other academic)
Abstract [en]

From the winter season 1988/89 and onwards an energy balance model has been used to estimate surface temperatures within a weather seivice system for the road authorities in "Östergötlands" and "Göteborg-Bohuslän" in Sweden. It is based on a simplified form of the energy balance equation at the surface and a numerical model with ten layers in the ground or road. In the road seivice system manually given forecasts of clouds and wind are used as input into the model. The initial values of surface temperatures are obtained on-line from the road stations involved. Forecasts of surface temperatures have been made for up to five hours and give significantly better results than e.g. perstistency or linear trend forecasts.

The model has also been generalized to run directly on model output clouds an winds and to give forecasts for a large area. As starting values we then use screen temperatures analysed in a grid net with a resolution of about 20 km covering Scandinavia. Initial surface temperatures are obtained through extrapolation to the ground. Through a relaxation formula forecasted surface temperatures are then transformed back to screen level. The temperature forecasts obtained in this way seem to be much better than the LAM-model gives where the daily amplitude is too small.

This latter model is henceforth called the objective system while the former is called the road seivice system. The two aystems have large parts in common. Differing parts are indicated in section headings ant text.

Place, publisher, year, edition, pages
SMHI , 1991. , p. 20
Series
RMK: Report Meteorology and Climatology, ISSN 0347-2116 ; 63
Keywords [en]
Energy balance, Surface temperature, Road climate
Keywords [sv]
energibalans, ytvattentemperatur
National Category
Meteorology and Atmospheric Sciences
Research subject
Meteorology; Climate
Identifiers
URN: urn:nbn:se:smhi:diva-2688Local ID: Meteorologi, Rapporter, Serie RMKOAI: oai:DiVA.org:smhi-2688DiVA, id: diva2:947984
Available from: 1991-09-17 Created: 2016-07-08 Last updated: 2020-03-25Bibliographically approved

Open Access in DiVA

fulltext(2039 kB)0 downloads
File information
File name FULLTEXT01.pdfFile size 2039 kBChecksum SHA-512
948011edaf3e0f0916db04010672e5a4f223ba539bf584cd23b88b59b0744872ba135d89fa48d86db3e824a703ca3f37319d8b8ab054531c37cd95d9bfdc3b46
Type fulltextMimetype application/pdf

By organisation
SMHI
Meteorology and Atmospheric Sciences

Search outside of DiVA

GoogleGoogle Scholar
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

urn-nbn

Altmetric score

urn-nbn
Total: 49 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
v. 2.35.9
|