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Short Range Public Discussion
(Caution: Version displayed is not the latest version. - Issued 0836Z Apr 24, 2015)
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 436 AM EDT Fri Apr 24 2015 Valid 12Z Fri Apr 24 2015 - 12Z Sun Apr 26 2015 ...There is a slight risk of severe thunderstorms for Central/Southern Plains and the Lower Mississippi Valley... ...Heavy rain possible for parts of the Lower Mississippi Valley and the Tennessee Valley... ...Temperatures will be 10 to 15 degrees below average over parts of the Northeast into the Mid-Atlantic and over to the Upper Great Lakes... A storm over the Central High Plains will move eastward to the Middle Mississippi/Western Ohio Valley by Saturday evening. A plume of moisture from the Gulf of Mexico will stream northward to the Plain and the Mississippi Valley by Friday evening and move eastward to Mid-Atlantic by Saturday evening. Showers and thunderstorms will develop over parts of the Plains and Mississippi Valley that will move to part of the Ohio Valley to the Southeast by Saturday. Rain will develop over parts of the Upper Mississippi Valley/Northern Plains and move to the Ohio Valley by Saturday morning moving to the Mid-Atlantic Coast by Saturday evening. Meanwhile, a front over the Northern Rockies to the Great Basin/Northern California along with associated upper-level energy will move eastward to the Northern High Plains/Great Basin while dissipating. Upper-level energy over the Pacific Northwest will be quasi-stationary through Saturday while additional upper-level energy over the North Pacific will move southeastward to Southern California by Saturday evening. The storms will produce higher elevation snow and lower elevation rain over parts of the Pacific Northwest to the Northern Rockies that will expand southward into Central California and eastward into parts of the Central Rockies by Saturday. In the meantime, showers and thunderstorms will develop over parts of the Southern Rockies/Southwest that will expand in areal coverage into parts of Central Rockies/Central High Plains by Saturday evening. In addition, rain will develop over the Northern High Plains early Saturday morning into Saturday evening. Elsewhere, an upper-level low over North New England will slowly inch eastward over the Gulf of Maine by Saturday. The energy will aid in producing areas of rain and snow over parts of Northern New England through Saturday evening. Ziegenfelder Graphics available at