Add Widget After Header Home Page Only

genesis_register_sidebar( array(
    'id'    => 'welcome-text',
    'name'    => __( 'Welcome Text', 'eleven40' ),
    'description'  => __( 'This is the welcome text widget.', 'eleven40' ),
) );


function custom_welcome_text() {
if ( is_home() && is_active_sidebar( 'welcome-text' ) ) { 
   genesis_widget_area( 'welcome-text', array(
       'before' => '<div class="welcome-text widget-area">',
       'after'  => '</div>',
   ) );
}
}
add_action( 'genesis_after_header', 'custom_welcome_text' );