F accompanied deficient precipitation over a large area from the Rockies to the Appalachians and central Gulf Coast Region, prompting drought intensification over large parts of the Upper Mississippi Valley, the Central States, and the southern tier of the country west of the Florida Panhandle.
Most of the Nation, however, endured a hot and drier-than-normal week, including most areas of drought. The heaviest amounts outside the lower Colorado River Basin fell on higher elevations and over areas where precipitation was enhanced by orography, as is typical. Heavy rainfall fell in a broken pattern over this general area, with the highest amounts reported across interior southeastern California, over much of the middle Colorado River Basin, and across scattered areas farther north. Between 4.5 to 10.0 inches of rain fell solidly along this swath of land, but rainfall totals dropped off rapidly to the west and east of the main band.įarther west, a surge of tropical moisture pushed northward into the southwestern U.S., continuing northward across the Great Basin, Intermountain West, and adjacent Rockies into adjacent Canada.
A solid swath of heavy rains were observed in a band from the eastern Florida Panhandle northward through middle Georgia, interior eastern South Carolina, and southeastern North Carolina as far north as the lower Outer Banks. Idalia moved from the Gulf of Mexico inland along the northeastern Gulf Coast of Florida and continued northeastward through south-central and east-central Georgia, slightly inland from the South Carolina Coast, then across southeastern North Carolina before moving into the open waters of the northwestern Atlantic Ocean. SeptemHeavy rainfall associated with Hurricane Idalia brought damaging winds and flooding centered along its path.
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