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

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568
FNUS74 KLIX 050804
FWSLIX

Spot Forecast for Roseland Event...Tangipahoa Parish EM
National Weather Service New Orleans LA
304 AM CDT Sun Oct 5 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...

Rain is expected across much or all of the area today, with the
heaviest rainfall along and east of Interstate 55. Rain is again
likely over much of the area on Monday, but rain amounts probably
will not be as significant. Minimum relative humidities will
exceed 70 percent across most areas today and Monday. A return to
a drier and warmer regime will occur beginning Tuesday through
the end of the week, with minimum humidities falling to 45 to
55 percent by the end of the week.


.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent). Slight chance of
                    showers.
Chance of pcpn......20 percent.
Min temperature.....Around 69.
Max humidity........81 percent.
Max apparent temp...70.
Surface winds (mph).East winds around 10 mph.
Mixing height (m)...152 meters AGL.
Transport winds.....East around 13 mph.
Transport winds m/s.East around 6 meters/second.
CEILING (KFT).......5.8.
Wind (20 ft)........East winds around 8 mph.

TIME (CDT)      4AM 5AM
Sky (%).........68  71
Weather cov.....SCH SCH
Weather type....RW  RW
Tstm cov........
Chc of pcpn (%).20  20
Temp............70  70
RH..............81  81
Aparnt tmp (F)..70  70
20 FT wind dir..E   E
20 FT wind spd..10  10
20 FT wind gust.15  15
Surface wnd dir.E   E
Surface wnd spd.10  10
Surface wnd gst.15  15
Mix hgt (km)....0.2 0.2
Transp wind dir.E   E
Transp wind spd.13  13
Trans wind dir..E   E
Trans spd (m/s).6   6
Ceiling (kft)...5.8 5.8

.TODAY...

Sky/weather.........Mostly cloudy (65-75 percent). Chance of
                    showers in the morning, then showers likely and
                    slight chance of thunderstorms in the
                    afternoon.
Chance of pcpn......70 percent.
Max temperature.....Around 82.
Min humidity........74 percent.
Max apparent temp...85.
Surface winds (mph).East winds 10 to 17 mph.
Mixing height (m)...152-732 meters AGL.
Transport winds.....East 13 to 20 mph.
Transport winds m/s.East 6 to 9 meters/second.
CEILING (KFT).......4.5 decreasing to 1.8 early in the morning,
                    then increasing to 2.7 late in the morning
                    decreasing to 1.8 early in the afternoon
                    increasing to 3.5 decreasing to 2.7 early in
                    the afternoon decreasing to 0.6 increasing to
                    0.7 late in the afternoon.
Wind (20 ft)........East winds 8 to 14 mph. Gusty and erratic winds
                    expected near thunderstorms in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........65  67  69  63  74  55  74  79  67  69  77  84
Weather cov.....SCH SCH SCH         CHC CHC CHC CHC LKY LKY LKY
Weather type....RW  RW  RW          RW  RW  RW  RW  RW  RW  RW
Tstm cov........                            SCH SCH SCH SCH SCH
Chc of pcpn (%).20  20  20  10  20  30  40  50  50  60  70  60
Temp............69  70  71  73  76  78  79  80  80  81  78  78
RH..............87  87  87  87  82  82  79  79  77  74  85  82
Aparnt tmp (F)..69  70  71  73  76  78  79  84  84  85  78  78
20 FT wind dir..E   E   E   E   E   E   E   E   E   E   E   E
20 FT wind spd..10  12  14  15  15  17  16  15  17  17  16  15
20 FT wind gust.15  16  20  21  21  24  23  21  24  24  23  21
Surface wnd dir.E   E   E   E   E   E   E   E   E   E   E   E
Surface wnd spd.10  12  14  15  15  17  16  15  17  17  16  15
Surface wnd gst.15  16  20  21  21  24  23  21  24  24  23  21
Mix hgt (km)....0.2 0.2 0.2 0.2 0.6 0.6 0.6 0.7 0.7 0.7 0.7 0.7
Transp wind dir.E   E   E   E   E   E   E   E   E   E   E   E
Transp wind spd.13  16  16  16  20  20  20  20  20  20  17  17
Trans wind dir..E   E   E   E   E   E   E   E   E   E   E   E
Trans spd (m/s).6   7   7   7   9   9   9   9   9   9   8   8
Ceiling (kft)...4.5 2.2 1.8 1.8 2.7 2.7 1.8 3.5 2.7 0.6 0.7 0.7

.TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent). Showers likely
                    and slight chance of thunderstorms in the
                    evening, then chance of showers and
                    thunderstorms overnight.
Chance of pcpn......60 percent.
Min temperature.....Around 70.
Max humidity........100 percent.
Max apparent temp...77.
Surface winds (mph).East winds 6 to 14 mph.
Mixing height (m)...152-671 meters AGL.
Transport winds.....East 10 to 17 mph.
Transport winds m/s.East 4 to 8 meters/second.
CEILING (KFT).......0.6 increasing to 1.1 early in the evening,
                    then decreasing to 0.9 early in the evening
                    decreasing to 0.8 late in the evening
                    decreasing to 0.7 decreasing to 0.6 overnight
                    decreasing to 0.5 decreasing to 0.4 after 3 am
                    decreasing to 0.3.
Wind (20 ft)........East winds 5 to 12 mph. Gusty and erratic winds
                    expected near thunderstorms in the evening.
                    Gusty and erratic winds expected near
                    thunderstorms overnight.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........77  77  61  68  72  66  66  69  69  65  71  78
Weather cov.....LKY CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC SCH
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC SCH
Chc of pcpn (%).60  50  40  40  30  40  40  50  50  40  30  20
Temp............77  74  73  72  72  72  72  72  71  72  72  72
RH..............88  93  97  100 100 100 100 100 100 97  97  100
Aparnt tmp (F)..77  74  73  72  72  72  72  72  71  72  72  72
20 FT wind dir..E   E   E   E   E   E   E   E   E   ESE E   E
20 FT wind spd..14  13  13  12  10  10  7   6   6   6   6   6
20 FT wind gust.20  17  17  16  15  15  9   8   8   8   8   8
Surface wnd dir.E   E   E   E   E   E   E   E   E   ESE E   E
Surface wnd spd.14  13  13  12  10  10  7   6   6   6   6   6
Surface wnd gst.20  17  17  16  15  15  9   8   8   8   8   8
Mix hgt (km)....0.7 0.4 0.4 0.4 0.2 0.2 0.2 0.2 0.2 0.2 0.3 0.3
Transp wind dir.E   E   E   E   E   E   E   ESE ESE ESE ESE ESE
Transp wind spd.17  15  15  15  16  16  16  14  14  14  10  10
Trans wind dir..E   E   E   E   E   E   E   ESE ESE ESE ESE ESE
Trans spd (m/s).8   7   7   7   7   7   7   6   6   6   4   4
Ceiling (kft)...0.6 1.1 0.9 0.9 0.9 0.8 0.7 0.6 0.5 0.5 0.4 0.3

.MONDAY...

Sky/weather.........Partly sunny (50-60 percent). Slight chance of
                    thunderstorms in the morning. Chance of showers
                    through the day. Chance of thunderstorms in the
                    afternoon.
Chance of pcpn......50 percent.
Max temperature.....Around 87.
Min humidity........72 percent.
Max apparent temp...96.
Surface winds (mph).Southeast winds 6 to 10 mph.
Mixing height (m)...183-1280 meters AGL.
Transport winds.....Southeast 10 to 13 mph.
Transport winds m/s.Southeast 4 to 6 meters/second.
CEILING (KFT).......0.3 decreasing to 0.2 early in the morning,
                    then increasing to 0.3 late in the morning
                    increasing to 0.7 late in the morning
                    increasing to 1.9 increasing to 3.1 early in
                    the afternoon increasing to 4.3 increasing to
                    9.6 late in the afternoon increasing to 18.
Wind (20 ft)........Southeast winds 5 to 8 mph. Gusty and erratic
                    winds expected near thunderstorms in the
                    morning. Gusty and erratic winds expected near
                    thunderstorms in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........78  71  66  61  56  54  51  49  45  42  38  35
Weather cov.....SCH CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Weather type....RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW  RW
Tstm cov........SCH SCH SCH SCH SCH SCH SCH CHC CHC CHC CHC CHC
Chc of pcpn (%).20  30  30  30  30  30  30  50  50  50  50  50
Temp............70  71  72  75  79  82  85  86  86  85  83  82
RH..............100 100 100 97  91  85  75  72  72  72  77  79
Aparnt tmp (F)..70  71  72  75  79  90  94  96  96  94  90  89
20 FT wind dir..E   E   E   E   ESE ESE ESE ESE ESE SE  SE  SE
20 FT wind spd..6   6   8   9   9   9   10  10  10  10  10  9
20 FT wind gust.8   8   12  13  13  13  15  15  15  15  15  13
Surface wnd dir.E   E   E   E   ESE ESE ESE ESE ESE SE  SE  SE
Surface wnd spd.6   6   8   9   9   9   10  10  10  10  10  9
Surface wnd gst.8   8   12  13  13  13  15  15  15  15  15  13
Mix hgt (km)....0.3 0.2 0.2 0.2 0.5 0.5 0.5 1.3 1.3 1.3 0.8 0.8
Transp wind dir.ESE E   E   E   SE  SE  SE  SE  SE  SE  SE  SE
Transp wind spd.10  10  10  10  12  12  12  12  12  12  13  13
Trans wind dir..ESE E   E   E   SE  SE  SE  SE  SE  SE  SE  SE
Trans spd (m/s).4   4   4   4   5   5   5   5   5   5   6   6
Ceiling (kft)...0.3 0.2 0.2 0.3 0.7 1.9 3.1 4.3 9.6 10  10  18

$$
Forecaster...FRYE
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2522746.4/LIX
.DELDT 10/05/25
.FormatterVersion 2.0.0
.EMAIL vtravis@tangivpahoa.org,sr-lix.forecaster@noaa.gov,schroeder.hope@epa.gov,dawson.primes@tangipahoa.org