Thunderstorms with potentially damaging winds will aim for New England Monday night.
Some of Karen's moisture will get drawn northward and enhance the rain accompanying a cold front spreading into the mid-Atlantic and Northeast. This is despite Karen weakening into a tropical rainstorm in the northern Gulf this past weekend due to dry air and disruptive winds above the surface of the water.
"One to 3 inches of rain will occur near and along the front as it works eastward across the eastern United States," AccuWeather Expert Senior Meteorologist Dan Kottlowski said.
There is also the risk of a couple of brief, spin-up tornadoes into Monday evening. These could be concealed by drenching rain in some cases right along the mid-Atlantic coast and over New England.
As of Monday evening, gusty winds from some of the storms downed multiple trees and power lines in Claremont, N.H., according to law enforcement reports. Law enforcement even reported that some towns, like Whitefield, N.H., lost power due to the storms.
This cold front produced some drenching rain and gusty thunderstorms from Michigan to central Tennessee and Mississippi on Sunday.
The rain moved from near lakes Huron and Erie to the eastern Tennessee Valley and southern spine of the Appalachians on Sunday night before pushing across the mid-Atlantic and Northeast for Monday and Monday night.
Many places will receive around an inch of rain in a span of six hours or less. There will be locally higher amounts, and that is where AccuWeather.com meteorologists will be most concerned for flash flooding to occur.
Urban areas will be most susceptible to flash flooding problems.
Even where flooding does not occur, the downpours threaten to slow motorists down by reducing visibility and heightening the concern of vehicles hydroplaning at highway speeds.
Fallen leaves could worsen the situation by clogging storm drains and making roads slippery, while some of the heaviest downpours will be accompanied by a burst of strong winds that could lead to minor tree damage and sporadic power outages.
Airline passengers could face flight delays as those with outdoor plans may be forced inside for a time.
Prolonged gusty winds will whip the coastline of the mid-Atlantic and New England Monday night ahead of the rain. Rough seas will pose dangers to small craft.
There is good news to the upcoming soaking. The rain will be beneficial to those places that had September end and October start on a dry note.
The storms will cut back at the unusual warmth from Philadelphia and Washington, D.C., on southward. In these cities, temperatures have been as much as 10-20 degrees above normal since the start of October. Following the early week storms, high temperatures will be closer to normal in the upper 60s and low 70s.
Following only limited rainfall during much of May, the weekend will end wet around Boston with a significant cooldown.
A 7.8-magnitude earthquake struck south of Japan Saturday evening, local time. No tsunami was triggered, but the earthquake was felt in Tokyo.
Some clouds are expected on Saturday evening during the final day of this year's initial appearance of the Manhattanhenge setting sun phenomenon in New York City.
The wet pattern in the southern Plains over the past several weeks has nearly eliminated drought conditions across the region.
With summer just around the corner, many in the United States are preparing for exciting outdoor activities, but coupled with the summer fun comes the return of the pesky and potentially disease-ridden mosquito.
Following another busy weekend for severe storms and flooding in Texas and the southern Plains, the frequent rain and storms will shift eastward.
Unseasonably warm weather prevailed across the eastern U.S. Eighteen cities, from Virginia to Ohio and Michigan, reported record high temperatures. Baltimore, MD and Washington, DC reached 97 degrees. Newark, NJ was the nations high temperature at 98 degrees.
Mississippi/ Ohio Valleys (1989)
Thunderstorms produced severe weather from the Upper Mississippi Valley to the Upper Ohio Valley. A F-4 tornado injured three people and caused a million dollars damage at New Providence IA.
Thunderstorms developing along a warm front spawned fourteen tornadoes in northeastern Texas during the last afternoon and night. Thunderstorms produced baseball size hail near Marshall, wind gusts to 77 mph at Commerce and up to five inches of rain in many locations.