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Short Range Public Discussion
 
(Caution: Version displayed is not the latest version. - Issued 1903Z Jul 14, 2019)
 
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 303 PM EDT Sun Jul 14 2019 Valid 00Z Mon Jul 15 2019 - 00Z Wed Jul 17 2019 ...Tropical Storm Barry remains a significant flooding threat for the Lower Mississippi Valley into parts of the Middle Mississippi and Western Ohio Valleys Valley... ...There is a slight risk of severe thunderstorms over the Upper Midwest into the Northern High Plains... ...There is a slight risk of excessive rainfall over parts of the Upper Mississippi Valley... Tropical Storm Barry is forecast to weaken to a tropical depression as it moves slowly northward over Louisiana and Arkansas. Though wind will decrease, very heavy rainfall will continue--rainfall accumulations of 6 to 12 inches with isolated amounts of 15 inches are forecast for South-Central Louisiana, and rainfall amounts of 4 to 8 inches with isolated amounts of 12 inches are expected for the remainder of the Lower Mississippi Valley. Thus, a High Risk of flash flooding is in place today across parts of Louisiana, with a Moderate Risk for much of Louisiana and Mississippi and Southeastern Arkansas through Monday morning. River flooding is also expected, and a few brief tornadoes are possible as well. Elsewhere, the Storm Prediction Center has issued a Slight Risk of severe weather for the Northern Plains and into the Upper Midwest. Storms could also cause locally heavy rainfall and isolated flash floods. As a quasi-stationary will remain over parts of the Northern Tier States, showers and thunderstorms will continue over the area through Wednesday. Farther south, scattered afternoon/evening thunderstorms are possible for the Great Basin and Southwest into the Rockies and High Plains on Sunday and Monday. Cool high temperatures are likely in the Lower Mississippi Valley with Barry, and record low maximum temperatures could be set there. Behind a cold front moving across the Northwest, high temperatures will be 5 to 15 degrees below average. Elsewhere, temperatures will generally be at or above average, and Excessive Heat Warnings and Heat Advisories are in effect for portions of Arizona and California. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php