871
FNUS74 KLIX 162109
FWSLIX

Spot Forecast for Roseland Event...Tangipahoa Parish EM
National Weather Service New Orleans LA
409 PM CDT Thu Oct 16 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...

High pressure will move east of the area today, with a continued
pattern of low relative humidity and light winds. Minimum RH
values will be between 35 and 45 percent north of the Interstate
10/12 corridor today, and 45 to 50 percent south of there. On
Friday, minimum RH values will be about 10 percent higher than
today. Moisture levels will continue to increase over the weekend
ahead of a cold front that is expected to move across the area on
Sunday. Showers and thunderstorms will be possible ahead of the
front late Saturday into Sunday, but most areas probably will not
see much more than about one half inch of rain.


.REST OF TODAY...

Sky/weather.........Sunny (0-10 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 89.
Min humidity........38 percent.
Max apparent temp...89.
Surface winds (mph).East winds around 5 mph.
Mixing height (m)...1524-1981 meters AGL.
Transport winds.....East 5 to 6 mph.
Transport winds m/s.East 2 to 3 meters/second.
CEILING (KFT).......25.
Wind (20 ft)........Light winds.

TIME (CDT)      3PM 4PM 5PM
Sky (%).........3   3   3
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0
Temp............88  89  87
RH..............41  38  42
Aparnt tmp (F)..88  89  87
20 FT wind dir..E   E   ESE
20 FT wind spd..3   5   3
20 FT wind gust.5   7   5
Surface wnd dir.E   E   ESE
Surface wnd spd.3   5   3
Surface wnd gst.5   7   5
Mix hgt (km)....1.5 2.0 2.0
Transp wind dir.E   E   E
Transp wind spd.6   5   5
Trans wind dir..E   E   E
Trans spd (m/s).3   2   2
Ceiling (kft)...25  25  25

.TONIGHT...

Sky/weather.........Mostly clear (15-25 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 62.
Max humidity........97 percent.
Max apparent temp...85.
Surface winds (mph).Light winds.
Mixing height (m)...122-1981 meters AGL.
Transport winds.....East around 5 mph shifting to the southwest 3
                    to 5 mph.
Transport winds m/s.Southwest 1 to 2 meters/second.
CEILING (KFT).......25.
Wind (20 ft)........Light winds.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........2   2   1   2   3   3   3   5   15  22  33  40
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............85  80  73  71  69  68  67  65  64  63  63  63
RH..............45  54  68  73  76  78  84  90  93  97  97  97
Aparnt tmp (F)..85  81  73  71  69  68  67  65  64  63  63  63
20 FT wind dir..SSE S   S   S   S   S   SE  S   N   N   N   N
20 FT wind spd..3   2   2   1   1   1   1   1   0   0   0   0
20 FT wind gust.5   3   3
Surface wnd dir.SSE S   S   S   S   S   SE  S   N   N   N   N
Surface wnd spd.3   2   2   1   1   1   1   1   0   0   0   0
Surface wnd gst.5   3   3
Mix hgt (km)....2.0 0.1 0.1 0.1 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1
Transp wind dir.E   WSW WSW WSW S   S   S   SSW SSW SSW WSW WSW
Transp wind spd.5   3   3   3   5   5   5   5   5   5   5   5
Trans wind dir..E   WSW WSW WSW S   S   S   SSW SSW SSW WSW WSW
Trans spd (m/s).2   1   1   1   2   2   2   2   2   2   2   2
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25

.FRIDAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 86.
Min humidity........50 percent.
Max apparent temp...88.
Surface winds (mph).Light winds becoming southeast around 5 mph
                    late in the morning, then increasing to 7 to 10
                    mph in the afternoon.
Mixing height (m)...122-1494 meters AGL.
Transport winds.....West 2 to 5 mph shifting to the southeast 7 to
                    10 mph in the late morning and afternoon.
Transport winds m/s.West around 2 meters/second decreasing to
                    around 1 meters/second early in the morning,
                    then shifting to the southeast 3 to 4
                    meters/second in the late morning and
                    afternoon.
CEILING (KFT).......25 decreasing to 13 early in the morning, then
                    increasing to 25 in the late morning and
                    afternoon.
Wind (20 ft)........Light winds becoming southeast 6 to 8 mph in
                    the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........44  49  42  45  47  46  46  47  39  30  22  18
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   0   0   0   0   0   0   0   0   0   0   0
Temp............62  62  64  69  76  80  83  85  85  86  85  84
RH..............100 100 97  87  71  62  57  51  51  50  51  53
Aparnt tmp (F)..62  62  64  69  76  82  85  87  87  88  87  86
20 FT wind dir..N   NE  NE  E   ESE SE  SE  SSE SSE SSE SSE SSE
20 FT wind spd..0   1   1   1   2   5   7   9   10  10  10  10
20 FT wind gust.                3   7   9   13  15  15  15  15
Surface wnd dir.N   NE  NE  E   ESE SE  SE  SSE SSE SSE SSE SSE
Surface wnd spd.0   1   1   1   2   5   7   9   10  10  10  10
Surface wnd gst.                3   7   9   13  15  15  15  15
Mix hgt (km)....0.1 0.1 0.1 0.1 0.4 0.4 0.4 1.5 1.5 1.5 1.5 1.5
Transp wind dir.WSW WSW WSW WSW SSE SSE SSE SSE SSE SSE SSE SSE
Transp wind spd.5   2   2   2   7   7   7   10  10  10  10  10
Trans wind dir..WSW WSW WSW WSW SSE SSE SSE SSE SSE SSE SSE SSE
Trans spd (m/s).2   1   1   1   3   3   3   4   4   4   4   4
Ceiling (kft)...25  25  13  25  25  25  25  25  25  25  25  25

$$
Forecaster...SCHLOTZHAUER
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2523508.3/LIX
.DELDT 10/16/25
.FormatterVersion 2.0.0
.EMAIL schroeder.hope@epa.gov,vtravis@tangipahoa.org,dawson.primes@tangipahoa.org,sr-lix.forecasters@noaa.gov