5 ms·
"In the northern plains, rainfall has not changed much, but temperatures are going up, increasing evaporation from the soil. Further south, concurrent shifts in
by Thrymr 9y ago
"In the northern plains, rainfall has not changed much, but temperatures are going up, increasing evaporation from the soil. Further south, concurrent shifts in wind patterns are in fact causing less rain to fall. Either way, this tends to push western aridity eastward." - the linked article
- chiefalchemist 9y agoThx. Sorry. I missed that.
- AnimalMuppet 9y agoThe 100th Meridian coincides almost exactly with the western edge of the Gulf of Mexico. If I understand correctly, moisture comes up from the south, not just from the Rockies. If the wind pattern changes so that more air comes from the west and less from the south, that moisture flow is reduced.