Area Forecast Discussion
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
Versions:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
553 FXUS64 KLCH 231135 AFDLCH Area Forecast Discussion National Weather Service Lake Charles LA 635 AM CDT Tue Apr 23 2024 ...New AVIATION... .SHORT TERM... (Today through Thursday night) Issued at 219 AM CDT Tue Apr 23 2024 High pressure remains the main factor influencing our weather and will continue to be so through the middle of the week with clear skies and calm conditions. Cold air advection will bring temperatures well below average with highs 5 to 10 degrees below average. Highs today will still be cooler than normal, with highs only in the low to mid to upper 70s. This will be the last day before the 80s return along with more humid conditions.Consistent warm air advection will increase on Wednesday leading to a steady increase in temperature and humidity. The increase in moisture will see an increase in fog during the early morning hours. On Thursday a front will extend across north Louisiana. This will increase our pressure gradient and winds. && .LONG TERM... (Friday through Tuesday) Issued at 219 AM CDT Tue Apr 23 2024 As the forecast period begins, the forecast area will be under a very warm and humid pattern with high pressure at the surface off the southeast US coast ridging into the forecast area providing southerly flow bringing in warm and moist Gulf of Mexico air. Despite the moist air mass, upper level ridging will keep the atmosphere capped, along with keeping the storm track well to the north, and thus no significant shower activity is expected. It will also become quite breezy on Friday as a deep low pressure system will form over the Plains allowing for a tight gradient over the region. Conditions will be close to advisory criteria with sustained winds nearing 20 mph and gusts close to 30 mph. The pattern will persist into Saturday with possibly an even stronger low level jet that will allow for sustained southerly winds in the 20 to 25 mph range with gusts over 35 mph, and if this verifies, wind advisory criteria will be met. By Sunday afternoon, the upper level ridge looks to shift a little to the east. This will allow for a short wave to cut into the ridge and move through the region late Sunday into Monday. The weakness aloft and plenty of Gulf moisture will allow for a chance of showers and thunderstorms during that time period. 07/Rua && .AVIATION... (12Z TAFS) Issued at 634 AM CDT Tue Apr 23 2024 VFR conditions will continue through the TAF period. High clouds will start to move in from the west to east near the end of the period. Winds will be light and from the south. && .MARINE... Issued at 219 AM CDT Tue Apr 23 2024 Winds are light and variable tonight but will become onshore today. This onshore flow will remain light until the end of the week. During this time waves will be less than four feet. Starting on Thursday winds will start to increase becoming moderate to strong. Waves will also build reaching 7 feet or more by Friday morning. && .PRELIMINARY POINT TEMPS/POPS... AEX 78 55 82 60 / 0 0 0 0 LCH 77 62 82 64 / 0 0 0 0 LFT 78 60 83 65 / 0 0 0 0 BPT 78 64 82 65 / 0 0 0 0 && .LCH WATCHES/WARNINGS/ADVISORIES... LA...None. TX...None. GM...None. && $$ SHORT TERM...14 LONG TERM....07 AVIATION...14