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Helping Business Weather the Storm

National Weather Summary for Friday, June 30, 2017

by David Moran, on Jun 30, 2017 10:23:35 AM

There will be a risk for thunderstorms from portions of the Plains into the Northeast Friday as an area of low pressure and cold front move eastward throughout the day. Across the Southern Plains and Ozarks, thunderstorms may lead to the potential for excessive rainfall on Friday.

  • Thunderstorms from the Great Plains to the Northeast on Friday
  • Excessive Rainfall Friday across the Southern Plains and Ozarks
  • Continued Thunderstorm Risk from the Great Plains to the Northeast on Saturday
  • Risk for Excessive Rainfall Saturday across the Northeast
  • Strong to Severe Thunderstorms Possible for the Central Plains on Sunday

US Hazards for Friday, June 30, 2017US Hazards

Assess Your Weather Risk

Thunderstorms from the Great Plains to the Northeast on Friday
An upper level trough is expected to push across the central and eastern portions of the United States today while a cold front tracks slowly east and southeast from the Southern Plains northeastward into the Great Lakes. This will allow for the development of thunderstorms across a large region from as far west as the southern High Plains of New Mexico, through the Mississippi and Ohio Valleys, and into the interior portions of the Northeast. The stronger storms will have the potential to produce hail and damaging winds. The timing of impacts will begin this afternoon across the Ohio Valley and Southern Great Lakes into the Northeast, with later development during the evening hours across the Southern Plains. Most activity should weaken by or shortly after dark, with storms across Arkansas, Oklahoma, and Texas possibly maintaining their intensity after dark.

Update 1:10pm EDT: Severe thunderstorm south of Syracuse, NY capable of large hail and damaging winds.

Radar 1:10pm EDT 6/30/17Radar 1:10pm EDT

Update 1:45pm EDT: Severe Thunderstorm Watch in effect for portions of Connecticut, Massachusetts, New Hampshire, New York, Pennsylvania, and Vermont until 9pm EDT.

Severe Thunderstorm Watch 6/30/17Severe Thunderstorm Watch

Update 2:33pm EDT: Severe thunderstorm capable of damaging winds east of Binghamton, NY.

Radar 2:33pm EDT 6/30/17Radar 2:33pm EDT

Major Cities in Region: Amarillo, TX, Lubbock, TX, Oklahoma City, OK, Dallas, TX, Little Rock, AR, St. Louis, MO, Memphis, TN, Nashville, TN, Indianapolis, IN, Cincinnati, OH, Columbus, OH. Charleston, WV, Pittsburgh, PA, Buffalo, NY, Albany, NY, Augusta, ME

Region 1 Friday, June 30, 2017Region 1

Excessive Rainfall Friday across the Southern Plains and Ozarks
In addition to the severe weather threat, there will be a risk for excessive rainfall from eastern Oklahoma and north Texas eastward into the Ozarks. Showers and thunderstorms are currently ongoing and another round may develop this afternoon, leading to a risk of excessive rainfall. Rainfall amounts of 1-2 inches with locally higher amounts in excess of 3 inches are expected. 

Major Cities in Region: Denton, TX, Fort Smith, AR. Fayetteville, AR, Little Rock, AR

Excessive Rainfall Risk Outline for Friday, June 30, 2017Excessive Rainfall Risk Outline for Friday

Continued Thunderstorm Risk from the Great Plains to the Northeast on Saturday
As a cold front continues to progress relatively slowly east and southeast, it will continue to be a focus for the development of thunderstorms from the Southern Plains, eastward to the Appalachians, and into the Northeast. Strong to severe thunderstorms may develop along and ahead of the front, with hail and damaging winds the primary hazards. Isolated tornadoes may also occur, mainly across the Northeast. 

Major Cities in Region: Amarillo, TX, Lubbock, TX, Oklahoma City, OK, Little Rock, AR, Memphis, TN, Charleston, WV, Washington, DC, Philadelphia, PA, New York, NY

SPC Convective Outlook for Saturday, July 1, 2017SPC Convective Outlook for Saturday

Risk for Excessive Rainfall Saturday across the Northeast
Periods of heavy showers and thunderstorms are expected across interior portions of the Northeast on Saturday in advance of a slow moving cold front. There may be a potential for some localized areas of excessive rainfall, with general amounts of 0.50-1.50 inches expected. 

Major Cities in Region: Burlington, VT

Excessive Rainfall Risk Outline for Saturday, July 1, 2017Excessive Rainfall Risk Outline for Saturday

Strong to Severe Thunderstorms Possible for the Central Plains on Sunday
On Sunday, an upper level disturbance is forecast to track eastward across the Plains. In response, an area of low pressure developing over the central High Plains will cause a warm front to lift northward through Oklahoma and Arkansas into Kansas. Further north, a weak cold front will move southward out of the Northern Plains. Isolated to scattered thunderstorms are expected across much of the Central and Southern Plains and eastward into the mid-Mississippi Valley. Large hail and damaging winds will be the primary hazards with these storms.

Major Cities in Region: North Platte, NE, Oklahoma City, OK, Omaha, NE, Kansas City, MO, Des Moines, IA, Milwaukee, WI, Chicago, IL

SPC Convective Outlook for Sunday, July 2, 2017SPC Convective Outlook for Sunday

A Look Ahead
An area of low pressure and associated warm front will lift across the Central Plains and mid-Mississippi Valley on Monday. Scattered thunderstorms are forecast to develop ahead of the front. Strong to severe thunderstorms capable of large hail and damaging winds are possible. By Tuesday, the severe weather potential will move into the Mid-Mississippi Valley. 

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.

Topics:Nowcast/Forecast

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