41.   However, in Puerto Rico daytime heating and local topographic effects will combine to produce isolated showers and thunderstorms in the western interior and northwestern sections of the island.

42.   However, normal diurnal effects and available moisture will combine to produce intervals of cloudiness.

43.   Light east winds and small northeast swells will combine to produce tranquil marine conditions this afternoon.

44.   Southeast winds, abundant sunshine and a warm airmass all combined to produce this record high temperature.

45.   The study examined every county in the U.S., except in New England states, where town-level data were combined to produce a county figure.

46.   These two features will combine to produce some active weather across the area, especially Thursday night and Friday.

47.   Both sides combined to produce some surprisingly fluid and inventive rugby -- especially in the first half -- despite some dreadful weather conditions.