National Weather Service Text Product
AFOS product AFDLSX
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: AFDLSX
Product Timestamp: 2019-12-04 11:00 UTC
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749 FXUS63 KLSX 041100 AFDLSX Area Forecast Discussion...Updated Aviation National Weather Service Saint Louis MO 500 AM CST Wed Dec 4 2019 .SHORT TERM... (Through Late Thursday Afternoon) Issued at 308 AM CST Wed Dec 4 2019 Surface ridge will continue to build over the region today with plenty of sunshine and west winds between 5 and 10 mph. So will see temperatures warm up into the upper 40s to mid 50s. By tonight, surface ridge will be moving off to the east with light and variable winds and temperatures only dropping into the low to mid 30s, about 5 to 10 degrees above normal. In the meantime, closed surface low and associated upper level shortwave in southern stream still progged to slide southeast through region on Thursday. Timing is a bit slower, so rain chances will stay over southwestern MO during the day Thursday with just increasing mid and high clouds. Despite this, temperatures will warm up into the 50s, about 10 degrees above normal. Byrd .LONG TERM... (Thursday Night through Tuesday) Issued at 308 AM CST Wed Dec 4 2019 Latest model runs keep main energy and moisture associated with system south of MO/AR border Thursday night, but have shifted precipitation shield a bit further north. Confidence is low that the rain will make it any much further than I-70 corridor at this time. Rain will taper off early Friday morning as surface ridge builds back in. Some weak CAA on back side of system, so highs will be a bit below normal in the 40s. Beyond that, temperatures moderate through the weekend and into early next week. The next chance for rain will be Sunday afternoon through Monday night. Byrd && .AVIATION... (For the 12z TAFs through 12z Thursday Morning) Issued at 459 AM CST Wed Dec 4 2019 Dry and VFR conditions are expected through the period. Westerly winds will become light and variable this evening. Britt && .PRELIMINARY POINT TEMPS/POPS... Saint Louis 54 34 56 38 / 0 0 10 30 Quincy 49 31 52 31 / 0 0 5 20 Columbia 52 33 55 34 / 0 0 10 40 Jefferson City 55 33 56 35 / 0 0 10 40 Salem 49 32 53 37 / 0 0 5 20 Farmington 55 34 54 37 / 0 0 10 40 && .LSX WATCHES/WARNINGS/ADVISORIES... MO...None. IL...None. && $$ WFO LSX