National Weather Summary for Monday, October 30, 2017
by David Moran, on Oct 30, 2017 10:03:15 AM
Heavy to excessive rainfall will continue across the Northeast on Monday ahead of an area of low pressure and associated cold front.
- Excessive Rainfall across Maine on Monday
- Thunderstorm Potential Tuesday across South Texas
- Tropical Update
Excessive Rainfall across Maine on Monday
A strong area of low pressure is continuing to move northward, out of upstate New York and through southern Quebec on Monday. A trailing frontal boundary won't clear out of Maine until late afternoon. In the meantime, additional rainfall totals may exceed an inch. The risk for isolated flash flooding will be highest within areas of high terrain as precipitation rates will be maximized near areas experiencing upslope winds.
Major Cities in Region: Bangor, ME, Caribou, ME
Thunderstorm Potential Tuesday across South Texas
A cold front will bring in colder, drier, more stable air across portions of central and northern Texas. However, as the front slows near the Rio Grande Valley, easterly to southeasterly winds to the south of the front will allow moisture and instability to increase across southern Texas. Widespread severe storms are not expected, but a few strong to severe storms may produce large hail and damaging winds.
Major Cities in Region: Laredo, TX, Corpus Christi, TX, Brownsville, TX
SPC Convective Outlook for Tuesday
A well defined non-tropical low located about 1,000 miles east of Bermuda is producing a large area of disorganized showers and thunderstorms, mainly northeast to southeast of the center. This low could gradually acquire some subtropical or tropical characteristics by the middle of the week while it meanders over the central Atlantic between Bermuda and the Azores.
Enhanced Infrared Tropical Satellite
A Look Ahead
Thunderstorms may develop across portions of East Texas and the Lower Mississippi Valley ahead of a cold front Thursday as instability increases through the day. Damaging winds and isolated tornadoes will be the primary hazards with these storms. Further north, heavy rain is forecast for portions of the Midwest and the Northeast.
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