National Weather Summary for Thursday, March 29, 2018
by David Moran, on Mar 29, 2018 10:58:35 AM
Thunderstorms are forecast to develop along the Gulf Coast on Thursday along and ahead of a cold front. These thunderstorms will also have the potential to produce excessive rainfall. Elevated winds and seas, as well as thunderstorms, are forecast for portions of the Gulf of Mexico through Thursday afternoon.
- Thunderstorms Along the Gulf Coast Thursday
- Excessive Rainfall Thursday for the Gulf Coast
- Elevated Winds and Seas across the Gulf of Mexico Thursday
- Snow Friday and Saturday across the Northern Plains and Upper Midwest
Thunderstorms Along the Gulf Coast Thursday
Strong to severe thunderstorms are ongoing across Louisiana and Mississippi this morning and are expected to progress eastward through the morning and into the afternoon. Additional thunderstorm development is expected this afternoon with storms developing into linear segments. Strong winds and isolated tornadoes will be the primary hazards, but some large hail cannot be ruled out.
Major Cities in Region: Baton Rouge, LA, New Orleans, LA, Hattiesburg, MS, Birmingham, AL, Atlanta, GA, Knoxville, TN
Thunderstorm Potential for Thursday
Excessive Rainfall Thursday for the Gulf Coast
In addition to the thunderstorm potential, there will be a risk for excessive rainfall and flash flooding. Rainfall amounts will range 1.5-2 inches with locally higher amounts in excess of 3 inches.
Major Cities in Region: Lafayette, LA, Baton Rouge, LA, New Orleans, LA, Mobile, AL
Rainfall Accumulation for Thursday
Elevated Winds and Seas across the Gulf of Mexico Thursday
Elevated winds and seas will continue across the Gulf of Mexico through Thursday afternoon. Winds will range 20-30 knots with gusts 25-35 knots. Swells near the shore will be 3-5 feet; in the deeper waters, swells of 6-9 feet are forecast. In addition, there will be a potential for thunderstorms through the early afternoon. Heavy rain, frequent lightning, wind gusts in excess of 55 knots, and waterspouts will all be potential hazards.
Snow Friday and Saturday across the Northern Plains and Upper Midwest
An area of low pressure is forecast to develop over the Dakotas on Thursday and then track to the east through Saturday. With temperatures below freezing to the north of the low, moderate to heavy snow is forecast beginning on Friday and continuing into Saturday. Snowfall accumulations will range 5-7 inches with locally higher amounts in excess of 10 inches are expected. Winds will gust in excess of 30 mph, leading to blowing snow and low visibilities.
Major Cities in Region: Minot, ND, Bismarck, ND, Grand Forks, ND, Fargo, ND, Duluth, MN, Marquette, MI
Snowfall Accumulation for Friday and Saturday
A Look Ahead
Snow may develop across portions of the Northern Plains early next week as an area of low pressure moves across the region. Some uncertainty still exists in regard to timing and placement.
This is just a brief look at current weather hazards. We can provide you site-specific weather forecast information for the purpose of protecting your personnel and assets and to assess your weather risk. Try a 7-day demo right away and learn how timely precision weather information can enhance your bottom line.