Diagnosis of winter time cold bias in the ETA and NMM models

Hui Ya Chuang; Michael Ek; Kenneth Mitchell; Vince Wong; Zavisa Janjic

Diagnosis of winter time cold bias in the ETA and NMM models

Hui Ya Chuang
, Michael Ek
, Kenneth Mitchell
, Vince Wong
, Zavisa Janjic

Joint Numerical Testbed

Research output: Contribution to journal › Conference article › peer-review

Abstract

The study of cold bias during winter time by NCEP Meso Eta and Nonhydrostatic Meso models was investigated. The cold biases usually occur during the night time when the atmosphere is usually stable. Cold biases in NMM simulation were attributed to increases in downward longwave radiation which are a result of increased cloud cover in NMM reruns. The results of NMM re-runs show that NMM shelter level cold biases at FP improved significantly in two of the chosen cold biases, and Meso Eta shelter level temperature forecasts were only slightly colder than observations in the two cases.

Original language	English
Pages (from-to)	2911-2913
Number of pages	3
Journal	Bulletin of the American Meteorological Society
State	Published - 2004
Event	Combined Preprints: 84th American Meteorological Society (AMS) Annual Meeting - Seattle, WA., United States Duration: Jan 11 2004 → Jan 15 2004

Cite this

@article{cf220642c4f3493fad2c74cc1ff1358c,

title = "Diagnosis of winter time cold bias in the ETA and NMM models",

abstract = "The study of cold bias during winter time by NCEP Meso Eta and Nonhydrostatic Meso models was investigated. The cold biases usually occur during the night time when the atmosphere is usually stable. Cold biases in NMM simulation were attributed to increases in downward longwave radiation which are a result of increased cloud cover in NMM reruns. The results of NMM re-runs show that NMM shelter level cold biases at FP improved significantly in two of the chosen cold biases, and Meso Eta shelter level temperature forecasts were only slightly colder than observations in the two cases.",

author = "Chuang, \{Hui Ya\} and Michael Ek and Kenneth Mitchell and Vince Wong and Zavisa Janjic",

year = "2004",

language = "English",

pages = "2911--2913",

journal = "Bulletin of the American Meteorological Society",

issn = "0003-0007",

publisher = "American Meteorological Society",

note = "Combined Preprints: 84th American Meteorological Society (AMS) Annual Meeting ; Conference date: 11-01-2004 Through 15-01-2004",

}

TY - JOUR

T1 - Diagnosis of winter time cold bias in the ETA and NMM models

AU - Chuang, Hui Ya

AU - Ek, Michael

AU - Mitchell, Kenneth

AU - Wong, Vince

AU - Janjic, Zavisa

PY - 2004

Y1 - 2004

N2 - The study of cold bias during winter time by NCEP Meso Eta and Nonhydrostatic Meso models was investigated. The cold biases usually occur during the night time when the atmosphere is usually stable. Cold biases in NMM simulation were attributed to increases in downward longwave radiation which are a result of increased cloud cover in NMM reruns. The results of NMM re-runs show that NMM shelter level cold biases at FP improved significantly in two of the chosen cold biases, and Meso Eta shelter level temperature forecasts were only slightly colder than observations in the two cases.

AB - The study of cold bias during winter time by NCEP Meso Eta and Nonhydrostatic Meso models was investigated. The cold biases usually occur during the night time when the atmosphere is usually stable. Cold biases in NMM simulation were attributed to increases in downward longwave radiation which are a result of increased cloud cover in NMM reruns. The results of NMM re-runs show that NMM shelter level cold biases at FP improved significantly in two of the chosen cold biases, and Meso Eta shelter level temperature forecasts were only slightly colder than observations in the two cases.

UR - https://www.scopus.com/pages/publications/2442604291

M3 - Conference article

AN - SCOPUS:2442604291

SN - 0003-0007

SP - 2911

EP - 2913

JO - Bulletin of the American Meteorological Society

JF - Bulletin of the American Meteorological Society

T2 - Combined Preprints: 84th American Meteorological Society (AMS) Annual Meeting

Y2 - 11 January 2004 through 15 January 2004

ER -

Diagnosis of winter time cold bias in the ETA and NMM models

Abstract

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