National Weather Summary for Tuesday, October 31, 2017
by David Moran, on Oct 31, 2017 10:32:32 AM
Thunderstorms may develop across portions of south Texas on Tuesday ahead of a cold front. Elevated winds and seas are expected for portions of the Gulf of Mexico late Tuesday into Wednesday.
- Risk for Thunderstorms Tuesday across Southern Texas
- Elevated Conditions for the northwestern Gulf of Mexico Late Tuesday into Wednesday
- Thunderstorms for Portions on Wednesday of Texas and Louisiana
- Tropical Update
Risk for Thunderstorms Tuesday across Southern Texas
Storms are expected to move inland over the Texas coastline today ahead of a slowing cold front. A region of moderate wind shear should allow for a few supercell thunderstorms with the potential for large hail, damaging winds, and tornadoes. Another round of activity may develop late tonight into early tomorrow morning.
Major Cities in Region: Brownsville, TX, Corpus Christi, TX, Houston, TX
Elevated Conditions for the northwestern Gulf of Mexico Late Tuesday into Wednesday
A weak area of low pressure is forecast to build across the western Gulf of Mexico throughout the day on Tuesday. Southerly to southwesterly winds of 25-30 knots with gusts in excess of 35 knots are expected through Wednesday afternoon. With increased southerly winds to the south and southeast of the area of low pressure, seas of 7-9 feet are forecast through Wednesday afternoon. Strong thunderstorms with locally enhanced winds and seas are forecast to the east of the area of low pressure.
Thunderstorms for Portions on Wednesday of Texas and Louisiana
Showers will likely be ongoing during the morning hours across the Arklatex region. This will continue as a weak area of low pressure lifts northeastward along a stationary front. Gulf moisture and daytime heating should yield areas of instability, which may allow for a few storms to become marginally severe during the afternoon. Severe winds and a few tornadoes will be the primary hazards.
Major Cities in Region: Houston, TX, Lake Charles, LA, Alexandria, LA
SPC Convective Outlook for Wednesday
A weak, non-tropical area of low pressure located about 1000 miles east-southeast of Bermuda is producing scattered showers and thunderstorms northeast and southeast of the low. Strong upper level winds and dry air are expected to limit any development over the next couple of days while the system meanders over the central Atlantic between Bermuda and the Azores.
Enhanced Infrared Tropical Satellite
A Look Ahead
Showers may develop across portions of the Central Plains on Thursday ahead of a cold front. Light snow is expected for portions of the Northern Rockies Thursday and Friday as an area of low pressure develops over the Pacific Northwest. Another round of snow is forecast for the Northern Rockies on Saturday as another area of low pressure moves over the region. Accumulations of 3-6 inches with locally higher amounts are expected.
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