Mean-state convective circulations over large-scale tropical SST gradients

Journal of the Atmospheric Sciences;  May 1, 2002 ;     700+ words ......determined by the balance between convective heating and the sum of the radiative cooling...to SST only through the residual convective heating, which is the deviation of convective heating from the first-order estimate. This...

Effects of Convective Momentum Transport on the Atmospheric Circulation in...

Journal of Climate;  April 1, 2008 ;     700+ words ......implementation of two convective momentum transport parameterizations, presented by Schneider...momentum budget reveals that convective momentum transport affects tropospheric climate mainly...noted. The inclusion of convective momentum transport in CAM3 reduces many of the model...

Impact of mesoscale momentum transport on large-scale tropical dynamics:...

Journal of the Atmospheric Sciences;  March 15, 1998 ;     700+ words ......the dynamical model. The mesoscale momentum transport under this closure reduces the effective...convective instability by mesoscale momentum transport), which is marginally realizable...for WISHE. This demonstrates that momentum transport by mesoscale convective systems can...

The dependence on convection parameterization of the tropical...

Journal of Climate;  May 1, 1999 ;     700+ words ......criterion (RH^sub c^) for convection or convective heating to occur is used, as in many GCMs...from the interaction between the convective heating and Kelvin waves (Lau and Peng 1987...the low-level convergence or the convective heating occurs at the shortest resolvable...

air-mass thunderstorm

A Dictionary of Weather;      48 words ......thunderstorm A thunderstorm that develops, generally late in the day, within a warm, moist air mass through convective heating from the surface. Neither widespread uplift nor vertical motion at a front is involved in its formation...

Convective momentum transport and perturbation pressure field from a...

Journal of the Atmospheric Sciences;  May 1, 2003 ;     700+ words ......perturbation pressure field in the momentum transport by convective systems during part...burst. The differences in convective momentum transport between easterly and westerly wind...The parameterization scheme for momentum transport by Zhang and Cho is evaluated using...

Phase lag between deep cumulus convection and low-level convergence in...

Monthly Weather Review;  April 1, 1997 ;     700+ words ......in Chao 1995) type of treatment of convective heating [i.e., Q (inf) eta(p)omega where...there is a phase lag between deep convective heating and low-level convergence in synoptic-sca...west) of the maximum deep cumulus convective heating. It should be emphasized that this...

Radiation Budget of the Tropical Intraseasonal Oscillation

Journal of the Atmospheric Sciences;  August 15, 2004 ;     700+ words ......heating has two main components: convective heating (release of latent heat, along with...have focused only on the role of convective heating in wave-heating feedback. The mechanisms...tends to reinforce the preexisting convective heating. As a quantitative measure, an enhancement...

Convective momentum transport over the tropical Pacific: Budget estimates

Journal of the Atmospheric Sciences;  July 1, 2001 ;     700+ words ......are used to calculate convective momentum transport (CMT) as a momentum budget residual...horizontal pressure gradients on the momentum transport in tropical convective lines. Part...Inness, 1997: Parameterization of momentum transport by convection. II: Tests in single...

Convective momentum transport observed during the TOGA COARE IOP. Part I:...

Journal of the Atmospheric Sciences;  June 1, 2002 ;     700+ words ......to study the effects of convective momentum transport (CMT) over the western Pacific warm...vertical wind shear shows that the momentum transport is, on the average, downgradient...S. Bretherton, 2001: Convective momentum transport over the tropical Pacific: Budget...

Linear stratospheric gravity waves above convective thermal forcing

Journal of the Atmospheric Sciences;  July 15, 1999 ;     700+ words ......general circulation of the atmosphere. Convective heating has been appreciated as an important...framework using only the depth of the convective heating and the zonal mean wind variations...Hamilton (1993) examined the role of convective heating in forcing waves in the ...

The intensification of the low-level jet during the development of...

Monthly Weather Review;  February 1, 1998 ;     700+ words ......demonstrated that, by including convective heating, thermal wind adjustment can generate two cells; the convective heating occurs between these two circulation...To the left (north) of the convective heating, a cell develops across an...

FORMATION OF SUMMERTIME SUBTROPICAL HIGHS

Bulletin of the American Meteorological Society;  August 1, 2004 ;     700 words ......and maintained. Although monsoonal convective heating has been suggested as the possible...observed in July, rather than deep convective heating, that directly forces a subtropical...therefore conclude that the monsoonal convective heating is not the direct forcing factor...

Coupling of Convective Momentum Transport with Convective Heating in...

Journal of the Atmospheric Sciences;  April 1, 2007 ;     700+ words ......effects of convective momentum transport (CMT) on global climate...convection. This reduces the convective heating and drying around the...quantity, convective momentum transport (CMT) is more intricate...estimates of convective momentum transport are difficult to ...

The role of surface friction in tropical intraseasonal oscillation

Monthly Weather Review;  April 1, 2001 ;     700+ words ......and numerical studies (i.e., the convective heating is proportional to low-level convergence...rather than CISK type of heating where convective heating depends on low-level convergence...maintaining the close balance between convective heating and adiabatic cooling due to vertical...