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

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FNUS74 KLIX 271804
FWSLIX

Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
104 PM CDT Wed Aug 27 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...

Relative humidity values have dropped this afternoon, however,
will remain will above critical thresholds. Moisture will return
starting tomorrow and rain chances increase going into the
upcoming weekend as a cold front moves into the region. By early
next week humidity values will again drop during the daytime,
however, should range 50- 60 percent during the afternoon
timeframe.


.REST OF TODAY...

Sky/weather.........Sunny (15-25 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 89.
Min humidity........52 percent.
Max apparent temp...94.
Surface winds (mph).Light winds.
Mixing height (m)...1280-1951 meters AGL.
Transport winds.....Northeast around 3 mph shifting to the
                    northwest late in the afternoon.
Transport winds m/s.Northeast around 1 meters/second shifting to
                    the northwest late in the afternoon.
CEILING (KFT).......25.
Wind (20 ft)........Light winds.

TIME (CDT)      9AM 10A 11A 12P
Sky (%).........18  15  24  29
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  10  10  10
Temp............88  88  89  87
RH..............54  54  52  55
Aparnt tmp (F)..92  92  94  91
20 FT wind dir..E   ENE ENE E
20 FT wind spd..3   2   2   2
20 FT wind gust.7   7   7   7
Surface wnd dir.E   ENE ENE E
Surface wnd spd.3   2   2   2
Surface wnd gst.7   7   7   7
Mix hgt (km)....1.3 1.3 2.0 2.0
Transp wind dir.NE  NE  NW  NW
Transp wind spd.3   3   3   3
Trans wind dir..NE  NE  NW  NW
Trans spd (m/s).1   1   1   1
Ceiling (kft)...25  25  25  25

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent). Slight chance of
                    showers and thunderstorms early in the evening.
Chance of pcpn......20 percent.
Min temperature.....Around 71.
Max humidity........90 percent.
Max apparent temp...90.
Surface winds (mph).Light winds.
Mixing height (m)...122-1951 meters AGL.
Transport winds.....Northwest around 3 mph shifting to the south 3
                    to 5 mph.
Transport winds m/s.South 1 to 2 meters/second.
CEILING (KFT).......11 increasing to 25 early in the evening, then
                    decreasing to 11 late in the evening increasing
                    to 25 late in the evening decreasing to 11.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms early in the evening.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID
Sky (%).........28  35  37  37  25  29  32  43  43  40  29  20
Weather cov.....SCH
Weather type....RW
Tstm cov........SCH
Chc of pcpn (%).20  10  10  10  10  0   0   0   0   0   0   0
Temp............86  83  80  78  77  76  75  74  74  73  73  72
RH..............57  65  72  76  76  79  82  87  84  87  87  90
Aparnt tmp (F)..90  87  83  78  77  76  75  74  74  73  73  72
20 FT wind dir..E   SE  E   SE  SSE SE  S   S   S   SSW SW  S
20 FT wind spd..2   2   2   2   2   1   1   1   1   1   1   1
20 FT wind gust.7   7   7   6   6   6   6   6   5   5   5   5
Surface wnd dir.E   SE  E   SE  SSE SE  S   S   S   SSW SW  S
Surface wnd spd.2   2   2   2   2   1   1   1   1   1   1   1
Surface wnd gst.7   7   7   6   6   6   6   6   5   5   5   5
Mix hgt (km)....2.0 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1
Transp wind dir.NW  S   S   S   S   S   S   S   S   S   SSW SSW
Transp wind spd.3   3   3   3   5   5   5   5   5   5   3   3
Trans wind dir..NW  S   S   S   S   S   S   S   S   S   SSW SSW
Trans spd (m/s).1   1   1   1   2   2   2   2   2   2   1   1
Ceiling (kft)...11  25  25  25  11  25  25  25  25  25  11  12

.THURSDAY...

Sky/weather.........Mostly sunny (30-40 percent). Slight chance of
                    showers and thunderstorms early in the
                    afternoon. Chance of showers and thunderstorms
                    late in the afternoon.
Chance of pcpn......30 percent.
Max temperature.....Around 91.
Min humidity........57 percent.
Max apparent temp...96.
Surface winds (mph).Light winds becoming southwest around 5 mph
                    late in the afternoon, then shifting to the
                    east late in the afternoon.
Mixing height (m)...122-1646 meters AGL.
Transport winds.....Southwest 3 to 6 mph.
Transport winds m/s.Southwest 1 to 3 meters/second.
CEILING (KFT).......12 increasing to 25 early in the morning, then
                    decreasing to 12 early in the morning
                    increasing to 25 late in the morning decreasing
                    to 10.
Wind (20 ft)........Light winds becoming southwest around 5 mph
                    late in the afternoon, then shifting to the
                    east late in the afternoon. Gusty and erratic
                    winds expected near thunderstorms in the
                    afternoon.

TIME (CDT)      1 AM      4 AM      7 AM      10 AM
Sky (%).........15        17        29        43
Weather cov.....                              CHANCE
Weather type....NONE      NONE      NONE      RNSHWR
Tstm cov........                              CHANCE
Chc of pcpn (%).0         0         10        30
Temp............72        79        87        88
RH..............90        77        61        59
Aparnt tmp (F)..72        79        94        95
20 FT wind dir..ESE       WNW       SW        SW
20 FT wind spd..1         1         3         5
20 FT wind gust.5         6         8         9
Surface wind....ESE 1G5   WNW 1G6   SW 3G8    SW 5G9
Mix hgt (m).....120       120       850       1620
Transp wind dir.SSW       WSW       SW        SW
Transp wind spd.3         3         5         6
Trans wind dir..SSW       WSW       SW        SW
Trans spd (m/s).1         1         2         3
Ceiling (kft)...12        25        25        10

$$
Forecaster...EFFERSON
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2520618.2/LIX
.DELDT 08/27/25
.FormatterVersion 2.0.0
.EMAIL vtravis@tangipahoa.org,sr-lix.forecasters@noaa.gov,dawson.primes@tangipahoa.org,loesel.matthew@epa.gov