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Helping Business Weather the Storm

National Weather Summary Monday, August 29, 2016

by David Moran, on Aug 29, 2016 12:29:48 PM

An area of low pressure moving along the periphery of the Upper Midwest will allow for the development of strong to severe thunderstorms on Monday. Tropical Depression Eight is expected to move toward the North Carolina coast throughout the day. Invest 99L has been upgraded to Tropical Depression Nine and is currently moving eastward into the eastern Gulf of Mexico, bringing the potential for heavy rain across portions of Florida Monday through Thursday. Monsoonal thunderstorms and excessive rainfall will be possible for Monday and Tuesday. Across the Gulf Coast, showers and thunderstorms posing an excessive rainfall risk are likely Monday and Tuesday ahead of a weak area of low pressure. A cold front tracking through the Midwest will bring the potential for thunderstorms to portions of the Midwest.

 

US Hazards for Monday, August 29, 2016

US Hazards

 

Region 1

Ongoing convection in northern Minnesota and northern Wisconsin should continue to weaken during the course of the morning. However, a continuing threat for marginally severe hail will continue with the strongest storms. Later today, a weak upper level trough will move over the region as a cold front enters from the west. Instability will be sufficient for the development  of a few strong to severe thunderstorms. This activity should commence from southwestern Minnesota to northern Wisconsin as early as midday; activity will shift southeast ahead of the front and should continue into the evening hours. The strongest storms could produce some hail larger than 3/4 in diameter and damaging winds in excess of 60 mph.

 

Major Cities in Region: Minneapolis, MN, Eau Claire, WI, Marquette, MI

 

Region 1 Monday, August 29, 2016

Region 1

 

Region 2

An upper level low over the northwestern Gulf of Mexico will continue to produce scattered to numerous showers and thunderstorms this morning. Localized wind gusts in excess of 40 mph and waterspouts remain the primary hazards from the stronger storms. Thunderstorm activity is expected to diminish somewhat by mid afternoon.

 

Region 2 Monday, August 29, 2016

Region 2

 

Region 3

Tropical Depression Eight remains fairly disorganized this morning, but is expected to slowly strengthen as it moves toward the North Carolina coast. Before reaching the coast, it is expected to make a sharp turn back to the northeast and away from the coast. Tropical Depression Eight should come close enough to the coast, however, to bring at least tropical storm force gusts to coastal portions of North Carolina and Virginia. Sustained winds of 35-45 mph with gusts in excess of 50 mph will be possible. In addition to these winds, locally heavy rainfall totals in excess of 3 inches will be possible. Finally, coastal storm surge of 1-3 feet could lead to minor coastal flooding and beach erosion. Tropical storm conditions will be possible off the Mid Atlantic Coast beginning Wednesday morning and continuing into Wednesday night. Sustained winds of 45-55 mph with gusts in excess of 65 mph will be possible, along with rough to very rough seas.

 

Major Cities in Region: Norfolk, VA, Kitty Hawk, NC

 

Region 3 Monday, August 29, 2016

Region 3

 

Excessive Rainfall Possible across southern Florida through Tuesday

Invest 99L has been upgraded to Tropical Depression Nine and is currently meandering westward into the eastern Gulf. While conditions are not overly favorable for strengthening on Monday, increasing showers and thunderstorms may pose a small threat for excessive rainfall across the Florida Peninsula. Two day rainfall amounts of 2-4 inches with locally higher amounts possible. 

 

Major Cities in Region: Fort Myers, FL, Miami, FL, West Palm Beach, FL

 

Excessive Rainfall Risk Outline for August 29-30, 2016

Excessive Rainfall Risk Outline for Monday and Tuesday

 

Excessive Rainfall Possible for New Mexico and West Texas Monday and Tuesday

A risk for excessive rainfall is forecast across portions of New Mexico and West Texas on Monday and Tuesday. Scattered showers and thunderstorms will allow for a small risk for flash flooding and local runoff.  Two day rainfall totals of 2-4 inches will be possible. 

 

Major Cities in Region: Albuquerque, NM, El Paso, TX, Lubbock, TX, Amarillo, TX

 

Excessive Rainfall Risk Outline for August 29-30, 2016

Excessive Rainfall Risk Outline for Monday and Tuesday

 

Excessive Rainfall Possible along the Gulf Coast on Monday

A weak area of low pressure along the Gulf Coast is expected to contribute to showers and thunderstorms during the day on Monday. They heaviest activity will be likely during the afternoon and evening hours with the peak of daytime heating. Total rainfall amounts through early Tuesday morning could reach or exceed 2 inches in some areas with a small threat for flooding and local runoff. 

 

Major Cities in Region: Corpus Christi, TX, Houston, TX, Beaumont, TX

 

exrain3-2.png

Excessive Rainfall Risk Outline for Monday

 

Strong to Severe Thunderstorms Possible across the Midwest on Tuesday

A cold front will continue tracking southeastward on Tuesday with another round of strong to severe thunderstorms possible across the Midwest. Primary impacts will include isolated instances of severe wind and large hail.

 

Major Cities in Region: Omaha, NE, Des Moines, IA, Milwaukee, WI

 

SPC Convective Outlook for Tuesday, August 30, 2016

SPC Convective Outlook for Tuesday

 

Excessive Rainfall Possible on Wednesday for Florida

Tropical Depression Nine is expected to become better organized by the middle of the week with increasing thunderstorm activity likely. Some of this activity will overspread Florida throughout the day and night with potential for some areas to receive 1-3 inches of total rainfall through early Thursday. 

 

Major Cities in Region: Tampa, FL, Orlando, FL, Miami, FL

 

exrain4-3.png

Excessive Rainfall Risk Outline for Wednesday

 

A Look Ahead

Tropical Depression Nine will continue to move northward through Thursday, bringing heavy rain to portions of the Mid Atlantic Coast. This heavy rain will bring the potential for flooding and local runoff for portions of the Carolinas and far eastern Virginia.

 

This is just a brief look at current weather hazards. We can provide you site-specific forecast information for the purpose of protecting your personnel and assets. Try a 7-day demo right away and learn how timely precision weather information can enhance your bottom line.

 

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Topics:Nowcast/Forecast

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