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Short Range Public Discussion
(Latest Discussion - Issued 2031Z Apr 23, 2024)
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Short Range Forecast Discussion NWS Weather Prediction Center College Park MD 400 PM EDT Tue Apr 23 2024 Valid 00Z Wed Apr 24 2024 - 00Z Fri Apr 26 2024 ...Unsettled weather and severe thunderstorm chances gradually expand across parts of the central and southern Plains over the next couple of days... ...Above average temperatures across much of the western half of the country while cooler than normal weather prevails in eastern half... The relatively benign weather pattern lately across the country is expected to gradually become more active in the course of the next couple of days as a low pressure system is forecast to develop and intensify over the central Plains. The upper-level trough responsible for developing the low pressure system is currently located over the subtropical eastern Pacific, moving toward Baja California. This upper trough is forecast to reach the southern Rockies on Thursday as the low pressure system intensifies more rapidly over the central Plains later that day. Showers and thunderstorms associated with the leading warm front across Oklahoma Wednesday night is forecast to expand northward across the central Plains during the day on Thursday and reach into the northern Plains by evening. The thunderstorm activities will likely get stronger later in the afternoon on Thursday over the central Plains ahead of a dry line. Winds will also strengthen throughout the central Plains on Thursday as the low pressure system intensifies. In the meantime, a weak low pressure wave and a pair of cold fronts will spark showers and embedded thunderstorms into tonight across the Great Plains and parts of the Midwest. Some stronger thunderstorms may develop over western Texas this evening associated with a cold front. By later tonight, the Midwest should begin to clear out from the showers and storms as they move into the Ohio Valley. Wednesday will see these storms settling south across Oklahoma into the Tennessee Valley and into portions of the Mid-Atlantic. Meanwhile, rapidly falling temperatures behind the second cold front are expected to end the rain as a period of wet snow across northern New England during the day on Wednesday. Meanwhile, the trailing cold front entering the southern Plains will be the focus for thunderstorms across the southern Plains on Wednesday, and they will expand northward as the aforementioned low pressure system intensifies. Elsewhere, unsettled weather is also in the forecast throughout parts of the Great Basin and eventually the Pacific Northwest by Thursday as initial upper ridging and well above average temperatures gradually erode. Much of the rainfall is expected to be mostly beneficial outside of any lightning potential with thunderstorms over the central Great Basin. Highs throughout the southwest are anticipated to reach the 80s and 90s through Wednesday, with 60s and 70s for much of the Intermountain West. Cooler weather is in store for the Great Lakes and much of the eastern U.S. behind the cold fronts. The cooler temperatures are forecast to reach into the Carolinas on Thursday. Meanwhile, above average temperatures will prevail across much of the western U.S. before the upper trough brings cooler temperature as temperatures reach well up into the 80s to near 90 over the southern High Plains by Thursday afternoon. Kong/Snell Graphics available at