Comparison of precipitation nowcasting by extrapolation and statistical-advection methods

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F13%3A00390563" target="_blank" >RIV/68378289:_____/13:00390563 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.atmosres.2012.10.013" target="_blank" >http://dx.doi.org/10.1016/j.atmosres.2012.10.013</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.atmosres.2012.10.013" target="_blank" >10.1016/j.atmosres.2012.10.013</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Comparison of precipitation nowcasting by extrapolation and statistical-advection methods

Popis výsledku v původním jazyce

Two models for nowcasting of 1-h, 2-h and 3-h precipitation in the warm part of the year were evaluated. The first model was based on the extrapolation of observed radar reflectivity (COTREC-IPA) and the second one combined the extrapolation with the application of a statistical model (SAMR). The accuracy of the model forecasts was evaluated on independent data using the standard measures of root-mean-squared-error, absolute error, bias and correlation coefficient as well as by spatial verification methods Fractions Skill Score and SAL technique. The results show that SAMR yields slightly better forecasts during the afternoon period. On the other hand very small or no improvement is realized at night and in the very early morning. COTREC-IPA and SAMR forecast a very similar horizontal structure of precipitation patterns but the model forecasts differ in values. SAMR, similarly as COTREC-IPA, is not able to develop new storms or significantly intensify already existing storms. This is c

Název v anglickém jazyce

Comparison of precipitation nowcasting by extrapolation and statistical-advection methods

Popis výsledku anglicky

Two models for nowcasting of 1-h, 2-h and 3-h precipitation in the warm part of the year were evaluated. The first model was based on the extrapolation of observed radar reflectivity (COTREC-IPA) and the second one combined the extrapolation with the application of a statistical model (SAMR). The accuracy of the model forecasts was evaluated on independent data using the standard measures of root-mean-squared-error, absolute error, bias and correlation coefficient as well as by spatial verification methods Fractions Skill Score and SAL technique. The results show that SAMR yields slightly better forecasts during the afternoon period. On the other hand very small or no improvement is realized at night and in the very early morning. COTREC-IPA and SAMR forecast a very similar horizontal structure of precipitation patterns but the model forecasts differ in values. SAMR, similarly as COTREC-IPA, is not able to develop new storms or significantly intensify already existing storms. This is c

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

DG - Vědy o atmosféře, meteorologie

OECD FORD obor

—

Projekt

<a href="/cs/project/ME09033" target="_blank" >ME09033: Velmi krátkodobá srážková a hydrologická předpověď zaměřená na prognózu přívalových povodní</a><br>

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2013

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Atmospheric Research

ISSN

0169-8095

e-ISSN

—

Svazek periodika

123

Číslo periodika v rámci svazku

1 April

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

14

Strana od-do

17-30

Kód UT WoS článku

000316580600003

EID výsledku v databázi Scopus

—