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Short Range Public Discussion
 
(Caution: Version displayed is not the latest version. - Issued 0726Z Jul 16, 2018)
 
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 326 AM EDT Mon Jul 16 2018 Valid 12Z Mon Jul 16 2018 - 12Z Wed Jul 18 2018 ...There is a slight risk of severe thunderstorms over parts of the Central High Plains into the Northern Rockies... ...Heavy rain possible over the Central Gulf Coast and parts of the Central Plains... A front extending from the Great Lakes southwestward to the Middle Mississippi Valley and the Central/Southern High Plains will move eastward to the Northeast/Mid-Atlantic Coast then westward to Southern High Plains by Tuesday evening. Showers and thunderstorms will develop along and ahead of the boundary from the Great Lakes southwestward to the Central/Southern High Plains that will move eastward to the Northeast/Mid-Atlantic across the Central Appalachians/Tennessee Valley into the Lower Mississippi Valley/Southern Plains by Tuesday evening. In addition, tropical moisture extending from the Central/Southern Plains into the Southeast with pockets extending into the Ohio Valley/Southern Mid-Atlantic along with daytime heating and weak upper-level impulses will aid in producing showers and thunderstorms across the region. The showers and thunderstorms will retreat to the Central/Eastern Gulf Coast and parts of the Southeast ahead of the aforementioned front by Tuesday evening. Meanwhile, disorganized upper-level energy over the Pacific Northwest will move to the Northern High Plains by Tuesday evening. The energy will aid in producing showers and thunderstorms over parts of the Pacific Northwest into parts of the Northern Intermountain Region on Monday morning. The showers and thunderstorms will move eastward to parts of the Central Plains while extending westward to the Northern Rockies/Northern High Plains by Tuesday evening. Additionally, monsoonal moisture and daytime heating will aid in producing showers and thunderstorms over parts of the Great Basin/Southeast into parts of the Central/Southern Rockies through Tuesday evening. The showers and thunderstorms will have the greatest areal coverage during the late afternoon into the late evening on Monday and Tuesday. Ziegenfelder Graphics available at www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php