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Short Range Public Discussion
 
(Caution: Version displayed is not the latest version. - Issued 2012Z Jul 11, 2020)
 
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 412 PM EDT Sat Jul 11 2020 Valid 00Z Sun Jul 12 2020 - 00Z Tue Jul 14 2020 ...Post-T.C. Fay will continue to weaken as it moves across southern Canada tonight... ...Strong to severe thunderstorms possible tonight from the Central/Southern Plains to the mid-Mississippi Valley... ...Record heat is expected to continue across the Desert Southwest into Texas through Monday... Post-T.C. Fay has weakened as it tracks across upstate New York today. The threat of strong winds and heavy rainfall is diminishing as Fay loses tropical characteristics and moves into Canada by this evening. A low pressure center in the wake of Fay will quickly approach from the Great Lakes and will keep a good chance of showers and thunderstorms for much of upstate New York and northern New England into Sunday morning. More scattered thunderstorms can be expected to redevelop across the Northeast as another cold front is forecast to dip down from Canada. Another low pressure system forming over the central Plains will sustain the threat of severe weather tonight from the Central Plains to the mid-Mississippi Valley. As the low tracks steadily to the east into the Ohio Valley on Sunday, sunshine and cooler than normal temperatures will spread into the northern Plains while scattered thunderstorms will move into the East Coast on Monday along with summer heat and humidity. Meanwhile, the next low pressure system is forecast to develop yet again over the northern High Plains on Monday, bringing an increasing threat of thunderstorms across the Northern Plains and Upper Midwest. Expansive upper level ridging will keep hot and above normal temperatures in place across much of the South. High temperatures from western Texas to the Desert Southwest are forecast to challenge records for at least the next two days (and likely beyond). In fact, temperatures could reach 110 degrees at the hottest locations over the southern High Plains, while 120 degrees is within reach for parts of the Desert Southwest. Above normal temperatures are also likely across much of the interior West and parts of the East Coast states. A large area of heat advisories and excessive heat warnings are in effect across much of the Desert Southwest, Southern Plains and into the Lower Mississippi Valley. The heat will not let up after the sun sets as overnight temperatures will remain above average, and may challenge records in the Southwest and Southern Plains through Monday. Kebede/Kong Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php