Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA

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945
FNUS74 KLIX 042038
FWSLIX

Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
238 PM CST Thu Dec 4 2025

If conditions become unrepresentative, contact the National Weather
Service.

We can be reached at (985) 649-0357 if you have questions or concerns
with this forecast.

.DISCUSSION...

Moisture has returned to the area today as a weak area of low
pressure moves across coastal Louisiana. Persistent high rain
chances will continue through Saturday and then gradually taper
off into Sunday. This will remove any fire weather concerns
during this period. Thereafter, a frontal passage on Monday will
gradually drop Min RH back into the 40s and 50s into midweek next
week.


.REST OF TODAY...

Sky/weather.........Cloudy (90-100 percent). Chance of
                    thunderstorms early in the afternoon. Rain
                    showers through the day. Slight chance of
                    thunderstorms late in the afternoon.
Chance of pcpn......90 percent.
Max temperature.....Around 53.
Min humidity........96 percent.
Max apparent temp...53.
Surface winds (mph).East winds 9 to 10 mph.
Mixing height (m)...183-305 meters AGL.
Transport winds.....East 9 to 12 mph.
Transport winds m/s.East 4 to 5 meters/second.
CEILING (KFT).......0.5.
Wind (20 ft)........East winds 8 to 9 mph. Gusty and erratic winds
                    expected near thunderstorms early in the
                    afternoon. Gusty and erratic winds expected
                    near thunderstorms late in the afternoon.

TIME (CST)      2PM 3PM 4PM 5PM
Sky (%).........93  91  92  94
Weather cov.....DEF DEF DEF DEF
Weather type....RW  RW  RW  RW
Tstm cov........CHC SCH SCH SCH
Chc of pcpn (%).90  90  80  90
Temp............53  52  53  52
RH..............100 100 96  100
Aparnt tmp (F)..53  52  53  52
20 FT wind dir..E   E   E   ENE
20 FT wind spd..10  10  9   9
20 FT wind gust.15  15  15  14
Surface wnd dir.E   E   E   ENE
Surface wnd spd.10  10  9   9
Surface wnd gst.15  15  15  14
Mix hgt (km)....0.3 0.3 0.3 0.2
Transp wind dir.E   E   E   ENE
Transp wind spd.12  10  9   10
Trans wind dir..E   E   E   ENE
Trans spd (m/s).5   4   4   4
Ceiling (kft)...0.5 0.5 0.5 0.5

.TONIGHT...

Sky/weather.........Cloudy (90-100 percent). Rain showers likely in
                    the evening. Slight chance of rain showers
                    overnight.
Chance of pcpn......70 percent.
Min temperature.....Around 45.
Max humidity........100 percent.
Max apparent temp...52.
Surface winds (mph).North winds 6 to 8 mph.
Mixing height (m)...152-396 meters AGL.
Transport winds.....North 9 to 12 mph.
Transport winds m/s.North 4 to 5 meters/second.
CEILING (KFT).......0.5 decreasing to 0.3 after 3 am, then
                    increasing to 0.4 early in the morning.
Wind (20 ft)........North winds 6 to 7 mph.

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........96  96  94  95  91  94  93  93  92  93  93  93
Weather cov.....LKY CHC CHC     SCH SCH                     SCH
Weather type....RW  RW  RW      RW  RW                      RW
Tstm cov........
Chc of pcpn (%).70  50  30  10  20  20  10  10  10  10  10  20
Temp............51  50  52  52  51  50  50  49  49  49  48  47
RH..............100 100 93  89  89  93  89  89  89  89  89  93
Aparnt tmp (F)..51  47  52  52  51  48  48  47  47  47  45  44
20 FT wind dir..NNE NNE N   NNE NNE N   N   N   N   N   N   N
20 FT wind spd..8   7   7   6   6   6   6   6   6   6   6   6
20 FT wind gust.14  14  14  13  13  13  12  13  13  14  14  13
Surface wnd dir.NNE NNE N   NNE NNE N   N   N   N   N   N   N
Surface wnd spd.8   7   7   6   6   6   6   6   6   6   6   6
Surface wnd gst.14  14  14  13  13  13  12  13  13  14  14  13
Mix hgt (km)....0.2 0.2 0.3 0.2 0.4 0.2 0.4 0.4 0.2 0.3 0.4 0.4
Transp wind dir.NNE NNE NNE NNE NNE N   N   N   N   N   N   N
Transp wind spd.10  9   10  10  12  10  12  12  12  12  12  12
Trans wind dir..NNE NNE NNE NNE NNE N   N   N   N   N   N   N
Trans spd (m/s).4   4   4   4   5   4   5   5   5   5   5   5
Ceiling (kft)...0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.3 0.3 0.4

.FRIDAY...

Sky/weather.........Cloudy (85-95 percent). Chance of rain showers
                    in the morning, then rain showers likely in the
                    afternoon.
Chance of pcpn......60 percent.
Max temperature.....Around 53.
Min humidity........83 percent.
Max apparent temp...53.
Surface winds (mph).North winds 5 to 6 mph becoming light.
Mixing height (m)...274-457 meters AGL.
Transport winds.....North 5 to 13 mph decreasing to around 3 mph
                    late in the afternoon.
Transport winds m/s.North 2 to 6 meters/second decreasing to around
                    1 meters/second late in the afternoon.
CEILING (KFT).......0.4 decreasing to 0.3 late in the morning, then
                    increasing to 0.4 late in the morning
                    increasing to 0.5 late in the morning.
Wind (20 ft)........North winds 5 to 6 mph becoming light.

TIME (CST)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........93  93  85  91  90  91  92  92  89  86  90  86
Weather cov.....CHC SCH     SCH SCH CHC CHC CHC LKY CHC CHC CHC
Weather type....RW  RW      RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........
Chc of pcpn (%).30  20  10  20  20  30  40  50  60  50  50  50
Temp............47  46  47  49  51  53  51  51  52  52  52  50
RH..............89  93  93  93  89  83  89  89  86  89  86  93
Aparnt tmp (F)..44  43  44  47  51  53  51  51  52  52  52  49
20 FT wind dir..N   N   N   N   NNW N   N   N   N   N   N   N
20 FT wind spd..6   6   6   6   6   6   6   6   6   6   5   3
20 FT wind gust.13  12  12  12  12  10  10  10  9   9   8   7
Surface wnd dir.N   N   N   N   NNW N   N   N   N   N   N   N
Surface wnd spd.6   6   6   6   6   6   6   6   6   6   5   3
Surface wnd gst.13  12  12  12  12  10  10  10  9   9   8   7
Mix hgt (km)....0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.5 0.4 0.4 0.3 0.3
Transp wind dir.N   N   N   N   N   N   N   N   N   N   N   N
Transp wind spd.12  12  13  12  10  12  8   6   6   6   5   3
Trans wind dir..N   N   N   N   N   N   N   N   N   N   N   N
Trans spd (m/s).5   5   6   5   4   5   4   3   3   3   2   1
Ceiling (kft)...0.4 0.4 0.4 0.3 0.4 0.5 0.5 0.5 0.5 0.5 0.5 0.5

$$
Forecaster...ZERINGUE
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2526954.1/LIX
.DELDT 12/04/25
.FormatterVersion 2.0.0
.EMAIL dawson.primes@tangipahoa.org,sr-lix.forecaster@noaa.gov,ssresponse@resonsegroupinc.com,vtravis@tangipahoa.org