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Posted - 2003.09.17 20:36:00 -
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Isabel readies attack on Mid-Atlantic states
Wed., Sep. 17, 2003 1:58 P.M.
Buzz Bernard, Sr. Meteorologist, The Weather Channel
South
Hurricane Isabel, not quite the "supercane" it was a few days ago, but still dangerous, is expected to slam into North Carolina tomorrow with damaging winds, torrential rains and, at the coast, a potentially deadly storm surge. (Please see Tropical Update for the latest details on Isabel). As is typical of landfalling tropical cyclones, Isabel's assault may be accompanied by the threat of tornadoes. All in all, a nasty--and dangerous--day is looming for the Tar Heel State. Squalls from Isabel may sweep into eastern South Carolina, too, but its neighbor to the north--if all goes according to expectations--will bear the brunt of IsabelÔÇÖs fury. Elsewhere in the South, with the exception of scattered showers and thunderstorms splashing around Oklahoma and the eastern two-thirds of Texas, it should be a pretty nice day as summer fades away.
Northeast
The Mid-Atlantic states are bracing for a mighty collision tomorrow as Hurricane Isabel (see Tropical Update) barrels into a burly, stiff-necked high pressure area lodged over the Northeast. Isabel, as a hurricane, is expected to thunder into North Carolina around midday tomorrow, then pivot northward tomorrow night, morph into a strong tropical storm and mount an assault on the high pressure. Torrential rains and violent winds will accompany the attack, sweeping northward as far as southern Pennsylvania and New Jersey by evening. Tidewater Virginia can expect to be hammered by hurricane-force winds during the day Thursday with the Washington-Baltimore area and Philadelphia getting slammed by damaging gusts toward evening. Even New York City will be swept by increasingly powerful gales tomorrow night. Another threat: significant tidal flooding in Tidewater Virginia, the southern Chesapeake Bay and even up the Potomac. In spite of the fact Isabel is no longer a category 5 monster, the weather in the Mid-Atlantic states will, in truth, turn monstrous tomorrow.
Midwest
A strong Pacific cold front knifing into the western portions of the Midwest tomorrow will trigger a ribbon of showers and thunderstorms extending from the Upper Midwest (and adjacent northern Plains) southward into western Missouri and eastern Kansas. Meanwhile, the remainder of the Midwest will enjoy a pleasant late-summer day, thanks to a lobe of strong high pressure extending from the Northeast into the Ohio Valley. High temperatures from the Great Lakes to the Ohio Valley will be in the 70s and 80s while folks in the northern Plains don jackets to ward off readings in the wind-driven 50s.
West
Although a few showers will slip into western and far northern Washington tomorrow, the vast majority of the West will enjoy a sunny day with high temperatures ranging from the 50s in the northern Cascades and northern Rockies to the low 100s in the Sonoran Desert. Morning lows in much of the Interior West will downright cold, however, with readings likely to tumble into the teens in parts of western Wyoming. Minima in the 20s and 30s will be widespread.
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