Sentences with phrase «precipitation totals varied»

Not exact matches

Snowfall varies across the region, comprising less than 10 % of total precipitation in the south, to more than half in the north, with as much as two inches of water available in the snowpack at the beginning of spring melt in the northern reaches of the river basins.81 When this amount of snowmelt is combined with heavy rainfall, the resulting flooding can be widespread and catastrophic (see «Cedar Rapids: A Tale of Vulnerability and Response»).82 Historical observations indicate declines in the frequency of high magnitude snowfall years over much of the Midwest, 83 but an increase in lake effect snowfall.61 These divergent trends and their inverse relationships with air temperatures make overall projections of regional impacts of the associated snowmelt extremely difficult.

Precipitation totals there varied from near normal to 200 percent of normal, however, most stations reported between 130 to 150 percent of normal.

Most stations in the central portion of the region, (including southeastern Texas, northern Louisiana and southern Arkansas) reported precipitation totals that varied from 50 to 70 percent of normal.

However, the total influence on monsoon precipitation of temporally varying direct and indirect effects of various aerosol species is still not resolved and the subject of active research.