Upper tropospheric conditions in relation to the cloud top
features of 15 August 2010 convective storms

J 2013

Upper tropospheric conditions in relation to the cloud top features of 15 August 2010 convective storms

PÚČIK, Tomáš; Michaela VALACHOVÁ and Petr ZACHAROV

Basic information

Original name

Upper tropospheric conditions in relation to the cloud top features of 15 August 2010 convective storms

Authors

PÚČIK, Tomáš (703 Slovakia, guarantor, belonging to the institution); Michaela VALACHOVÁ (203 Czech Republic) and Petr ZACHAROV (203 Czech Republic)

Edition

Atmospheric Research, Amsterdam, ELSEVIER, 2013, 0169-8095

Other information

Language

English

Type of outcome

Article in a journal

Field of Study

10500 1.5. Earth and related environmental sciences

Country of publisher

Netherlands

Confidentiality degree

is not subject to a state or trade secret

References:

Full Text

Impact factor

Impact factor: 2.421

RIV identification code

RIV/00216224:14310/13:00067515

Organization unit

Faculty of Science

DOI

https://doi.org/10.1016/j.atmosres.2012.10.006

UT WoS

000316580600020

EID Scopus

2-s2.0-84874383320

Keywords in English

Convective storm; Storm-top; Cold-U shape; Cold-ring shape; Severe weather; Tropopause deformation

Abstract

In the original language

This study focuses on 15 August 2010, when many severe convective storms occurred over parts of central and Eastern Europe, with some of these exhibiting various interesting cloud-top characteristics observed by weather satellites. The importance of the phenomenona of cold-U and cold-ring features in the infrared brightness temperature enhanced imagery stems from the fact that storms exhibiting these features are very often accompanied by severe weather. Therefore, besides the general description of the atmospheric conditions in the area, we seek possible reasons for the different cloud-top appearance of these storms from the perspective of Meteosat Second Generation and polar-orbiting weather satellites. Two main issues are discussed in this paper - the unusually warm appearance of the cloud-top of the “Prague hailstorm” and the presence of cold-ring and cold-U shaped storms in close proximity to the warmer „Prague hailstorm“. Both of these issues prove that the storm top appearance is very sensitive to the upper tropospheric and lower stratospheric conditions, with the first one strongly reflecting variations in the tropopause height due to the presence of the jet-stream over the region. The second topic addresses the strength of the storm relative upper level winds as a major discriminator between the cold-U and cold-ring storm top categories. Due to the above mentioned facts, 15 August 2010 was selected as one of the prime cases of interest for the Convection Working Group.

Links

MUNI/A/0966/2009, interní kód MU

Name: Projevy globální environmentální změny v krajinné sféře Země (Acronym: PROGLEZ)

Investor: Masaryk University, Category A

Cite

PÚČIK, Tomáš; Michaela VALACHOVÁ and Petr ZACHAROV. Upper tropospheric conditions in relation to the cloud top features of 15 August 2010 convective storms. Atmospheric Research. Amsterdam: ELSEVIER, 2013, vol. 123, APR, p. 249-267. ISSN 0169-8095. Available from: https://doi.org/10.1016/j.atmosres.2012.10.006.

@article{1071862,
   author = {Púčik, Tomáš and Valachová, Michaela and Zacharov, Petr},
   article_location = {Amsterdam},
   article_number = {APR},
   doi = {https://doi.org/10.1016/j.atmosres.2012.10.006},
   keywords = {Convective storm; Storm-top; Cold-U shape; Cold-ring shape; Severe weather; Tropopause deformation},
   language = {eng},
   issn = {0169-8095},
   journal = {Atmospheric Research},
   title = {Upper tropospheric conditions in relation to the cloud top features of 15 August 2010 convective storms},
   url = {http://dx.doi.org/10.1016/j.atmosres.2012.10.006},
   volume = {123},
   year = {2013}
}

TY  - JOUR
ID  - 1071862
AU  - Púčik, Tomáš - Valachová, Michaela - Zacharov, Petr
PY  - 2013
TI  - Upper tropospheric conditions in relation to the cloud top features of 15 August 2010 convective storms
JF  - Atmospheric Research
VL  - 123
IS  - APR
SP  - 249-267
EP  - 249-267
PB  - ELSEVIER
SN  - 01698095
KW  - Convective storm
KW  - Storm-top
KW  - Cold-U shape
KW  - Cold-ring shape
KW  - Severe weather
KW  - Tropopause deformation
UR  - http://dx.doi.org/10.1016/j.atmosres.2012.10.006
L2  - http://dx.doi.org/10.1016/j.atmosres.2012.10.006
N2  - This study focuses on 15 August 2010, when many severe convective storms occurred over parts of central and Eastern Europe, with some of these exhibiting various interesting cloud-top characteristics observed by weather satellites. The importance of the phenomenona of cold-U and cold-ring features in the infrared brightness temperature enhanced imagery stems from the fact that storms exhibiting these features are very often accompanied by severe weather. Therefore, besides the general description of the atmospheric conditions in the area, we seek possible reasons for the different cloud-top appearance of these storms from the perspective of Meteosat Second Generation and polar-orbiting weather satellites. Two main issues are discussed in this paper - the unusually warm appearance of the cloud-top of the “Prague hailstorm” and the presence of cold-ring and cold-U shaped storms in close proximity to the warmer „Prague hailstorm“. Both of these issues prove that the storm top appearance is very sensitive to the upper tropospheric and lower stratospheric conditions, with the first one strongly reflecting variations in the tropopause height due to the presence of the jet-stream over the region. The second topic addresses the strength of the storm relative upper level winds as a major discriminator between the cold-U and cold-ring storm top categories. Due to the above mentioned facts, 15 August 2010 was selected as one of the prime cases of interest for the Convection Working Group.
ER  -

PÚČIK, Tomáš; Michaela VALACHOVÁ and Petr ZACHAROV. Upper tropospheric conditions in relation to the cloud top features of 15 August 2010 convective storms. \textit{Atmospheric Research}. Amsterdam: ELSEVIER, 2013, vol.~123, APR, p.~249-267. ISSN~0169-8095. Available from: https://doi.org/10.1016/j.atmosres.2012.10.006.

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