Area Forecast Discussion
Issued by NWS Little Rock, AR
Issued by NWS Little Rock, AR
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816 FXUS64 KLZK 021928 AFDLZK Area Forecast Discussion National Weather Service Little Rock AR 228 PM CDT Tue Jul 2 2024 ...New SHORT TERM, LONG TERM... .SHORT TERM... (This evening through Thursday) Issued at 218 PM CDT Tue Jul 2 2024 Substantial heat stress conditions will prevail during this forecast period. Latest satellite and surface observations indicate scattered CU across southwest sections of the state, with clear conditions elsewhere. Heat index values above 100 were noted in the southwest portions of the forecast area, as well as along the Arkansas River Valley near and to the west of Little Rock. Conditions promoting dangerous heat stress conditions will be in place through the period, as low level moisture increases slightly area wide. Also, well above normal overnight low temperatures will occur, adding to the dangerous heat stress conditions. A cold front will approach the Arkansas, Missouri border Wednesday afternoon, and will promote scattered thunderstorm development. Damaging wind gusts will be possible with the strongest storms, the greatest chances of which will be across northern sections of the forecast area. && .LONG TERM... (Thursday Night through next Tuesday) Issued at 218 PM CDT Tue Jul 2 2024 A lot of changes are in store for the forecast area during the extended term. The upper level ridge dominating the area during the short term will be replaced by a mean trof across the midsection of the country. A cold front will start to push into the area, and showers and thunderstorms chances will increase significantly. Slightly cooler and drier air will filter in behind the front, keeping temperatures more moderated during the remainder of the term. The front will likely stall out in the vicinity of the AR/LA border for several days. Now here comes the big "if" in the forecast. Some models are bringing the remnants of Beryl (either as a tropical storm or a lower end hurricane) into south Texas...and bring it up into the TX Hill Country / North Texas region over the course of several days. Models are showing the stationary boundary over the AR/LA border moving north and interacting with deep moisture streaming off the remnants of Beryl. At the moment - and at this range - this is still a very low confidence event, but we will have to keep a careful watch on how this all plays out. Because under these circumstances, not only would this bring significant rainfall and flooding to TX, but to AR as well. This is still a week away and an awful lot can and will change between now and then - but we always need to be mindful about the potential interaction of a landfalling tropical cyclone in the general region and any potential interaction with a slow-moving or quasi-stationary boundary. && .AVIATION... (18Z TAFS) Issued at 1208 PM CDT Tue Jul 2 2024 VFR conditions are expected to continue during this period. Any TSRA that affects northern sections on Wednesday are expected to occur after the valid TAF period. && .PRELIMINARY POINT TEMPS/POPS... Batesville AR 75 98 76 97 / 10 30 10 30 Camden AR 76 99 77 98 / 0 10 0 10 Harrison AR 75 96 73 96 / 10 50 20 30 Hot Springs AR 77 99 77 98 / 0 10 0 10 Little Rock AR 79 99 80 98 / 0 20 10 20 Monticello AR 77 99 79 96 / 0 10 0 30 Mount Ida AR 75 98 76 97 / 0 10 0 10 Mountain Home AR 75 96 73 96 / 10 60 20 40 Newport AR 75 98 77 96 / 0 20 10 30 Pine Bluff AR 76 99 78 97 / 0 10 0 20 Russellville AR 78 99 77 98 / 0 20 10 20 Searcy AR 75 98 76 97 / 0 20 10 30 Stuttgart AR 76 97 79 95 / 0 10 0 20 && .LZK WATCHES/WARNINGS/ADVISORIES... Excessive Heat Warning from 11 AM to 9 PM CDT Wednesday for ARZ004>008-014>017-024-025-031>034-039-042>047-053>057-062>069- 113-121>123-130-137-138-212-213-230-238-313. Heat Advisory until 9 PM CDT this evening for ARZ031-032-039- 042>044-052>055-062-063-066>068-122-137-138-140-141-230-237-238- 240-241-340-341. Heat Advisory from 11 AM to 9 PM CDT Wednesday for ARZ052-103- 112-140-141-203-221>223-237-240-241-340-341. Excessive Heat Warning until 9 PM CDT this evening for ARZ121- 130. && $$ SHORT TERM...55 LONG TERM....53 AVIATION...55