National Weather Summary for Tuesday, June 6, 2017
by David Moran, on Jun 6, 2017 10:37:38 AM
As a cold front moves across the High Plains, there will be a risk for thunderstorms on Tuesday. An area of low pressure moving eastward today will bring thunderstorms and heavy rain to portions of Florida.
- Thunderstorms across the High Plains on Tuesday
- Potential for Thunderstorms and Excessive Rainfall Tuesday across Florida, Georgia, and Gulf of Mexico
- Strong to Severe Thunderstorms Possible for the Southern High Plains Wednesday
- Excessive Rainfall Continuing Wednesday across Florida
- Risk for Thunderstorms across the Intermountain West and High Plains on Thursday
Thunderstorms across the High Plains on Tuesday
A cold front pushing through the Plains will be the focal point for the development of thunderstorms during the afternoon and evening. Deep moisture ahead of the front will allow for the development of severe thunderstorms capable of producing strong winds and large hail. This activity will likely continue into the evening before diminishing.
Update 1:49pm CDT: Severe thunderstorm NE of Colby, KS capable of large hail and damaging winds.
Radar 1:49pm CDT
Update 12:59pm MDT: Severe thunderstorm capable of large hail and damaging winds northwest of Santa Fe, NM.
Radar 12:59pm MDT
Major Cities in Region: Santa Fe, NM, Denver, CO, Goodland, KS, North Platte, NE, Dodge City, KS
Potential for Thunderstorms and Excessive Rainfall Tuesday across Florida, Georgia, and Gulf of Mexico
A broad area of low pressure located across the central Gulf of Mexico will continue to slowly track eastward, allowing for widespread thunderstorm activity across southern Georgia and much of Florida. While conditions are not overly favorable for significant severe weather, the stronger storms will be capable of producing hail, damaging winds, and tornadoes. Heavy rainfall will also be a threat, which will lead to flash flooding in areas that see multiple rounds of thunderstorm and shower activity.
Thunderstorms will also continue across the northern Gulf of Mexico through the early afternoon. Hail in excess of 0.75 inch, wind gusts in excess of 40 knots, heavy rain, and frequent lightning will be the primary hazards with these storms. There will also be a low tornado risk.
Update 2:12pm EDT: Tornado Warning south of St. Augustine, FL.
Radar 2:12pm EDT
Major Cities in Region: Pensacola, FL, Tallahassee, FL, Tampa, FL, Orlando, FL, Jacksonville, FL, Miami, FL
Strong to Severe Thunderstorms Possible for the Southern High Plains Wednesday
Upslope flow across the mountains of New Mexico will persist on Wednesday with ample low level moisture and instability spread across the area. Some isolated to scattered strong to severe thunderstorms will be possible during the afternoon and evening. Hail and damaging winds look to be the primary concern with any storms that develop. Storms will quickly dissipate with the loss of daytime heating.
Major Cities in Region: El Paso, TX, Odessa, TX, Lubbock, TX, Amarillo, TX
SPC Convective Outlook for Wednesday
Excessive Rainfall Continuing Wednesday across Florida
Heavy to excessive rainfall is forecast to continue across portions of Florida. Rain and thunderstorms will continue through the early morning to the south of a cold front. Southerly flow to the south of the front will continue to pump low level moisture into the region. With the front providing lift, heavy rain and slow moving thunderstorms are forecast to continue into the evening. Rainfall totals of 1-2 inches with locally higher amounts in excess of 3 inches are expected, resulting in widespread flooding. Although there may be some strong to severe thunderstorms, much of the activity is forecast to remain below severe levels.
Major Cities in Region: Pensacola, FL, Tallahassee. FL, Tampa, FL, Orlando, FL, Miami, FL
Excessive Rainfall Risk Outline for Wednesday
Risk for Thunderstorms across the Intermountain West and High Plains on Thursday
Strong daytime heating and favorable terrain effects will create suitable conditions for the development of strong to severe thunderstorms Thursday afternoon and evening. Ahead of an upper level disturbance, daytime heating will create ample instability. With terrain enhancing lift, scattered thunderstorms are forecast to increase in intensity during the afternoon and evening while tracking eastward. Large hail and damaging winds will be the primary hazards with the stronger storms.
Major Cities in Region: Billings, MT, Cheyenne, WY, Denver, CO, Pierre, SD
SPC Convective Outlook for Thursday
A Look Ahead
Thunderstorms may develop Friday across portions of Montana and the Northern Plains as an area of low pressure tracks over southern Canada. Large hail and damaging winds will be the primary hazards with any storms that develop. As the area of low pressure moves eastward Saturday, the thunderstorm risk will shift across the Northern Plains and Upper Midwest. Large hail, damaging winds, and tornadoes will all be potential hazards with any storms that develop. By Sunday, the severe weather threat will shift southward into the Central Plains.
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