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

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643
FNUS74 KLIX 281826
FWSLIX

Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
126 PM CDT Thu Aug 28 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 is returning to the area, with rain chances increasing
over the next couple days. Afternoon minimum relative humidities
will be in the 50 to 60 percent range today and greater than
60 percent Friday and Saturday. Much of the area could see 1 to
2 inch rain amounts between now and the end of the weekend, with
locally higher amounts. Winds are expected to remain below 15 mph
outside of thunderstorms, which will limit any fire weather
concerns.


.REST OF TODAY...

Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
                    showers and thunderstorms early in the
                    afternoon. Slight chance of showers and
                    thunderstorms late in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 92.
Min humidity........61 percent.
Max apparent temp...98.
Surface winds (mph).Southwest winds around 5 mph.
Mixing height (m)...1219-1554 meters AGL.
Transport winds.....Southwest 6 to 7 mph.
Transport winds m/s.Southwest around 3 meters/second.
CEILING (KFT).......7.3 increasing to 8.5 late in the afternoon.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms early in the afternoon.
                    Gusty and erratic winds expected near
                    thunderstorms late in the afternoon.

TIME (CDT)      2PM 3PM 4PM 5PM
Sky (%).........41  36  41  40
Weather cov.....SCH         SCH
Weather type....RW          RW
Tstm cov........SCH         SCH
Chc of pcpn (%).20  10  10  20
Temp............88  89  87  87
RH..............63  61  65  63
Aparnt tmp (F)..97  98  95  94
20 FT wind dir..SW  SW  SSW SW
20 FT wind spd..5   5   5   3
20 FT wind gust.8   9   8   8
Surface wnd dir.SW  SW  SSW SW
Surface wnd spd.5   5   5   3
Surface wnd gst.8   9   8   8
Mix hgt (km)....1.6 1.6 1.2 1.2
Transp wind dir.WSW WSW SW  SW
Transp wind spd.7   7   6   6
Trans wind dir..WSW WSW SW  SW
Trans spd (m/s).3   3   3   3
Ceiling (kft)...7.3 7.3 8.5 8.5

.TONIGHT...

Sky/weather.........Partly cloudy (40-50 percent) then becoming
                    mostly cloudy (65-75 percent). Chance of
                    showers and thunderstorms.
Chance of pcpn......50 percent.
Min temperature.....Around 72.
Max humidity........97 percent.
Max apparent temp...93.
Surface winds (mph).Light winds.
Mixing height (m)...122-1219 meters AGL.
Transport winds.....Southwest around 6 mph shifting to the south 6
                    to 9 mph.
Transport winds m/s.South 3 to 4 meters/second.
CEILING (KFT).......7.3 decreasing to 5.8 early in the evening,
                    then decreasing to 3.5 late in the evening
                    decreasing to 2.7 late in the evening
                    decreasing to 2.2 decreasing to 1.1 overnight
                    decreasing to 0.8 increasing to 0.9 after 3 am.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
                    near thunderstorms.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........44  47  45  63  57  55  56  65  75  71  82  71
Weather cov.....CHC 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........CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC CHC
Chc of pcpn (%).30  50  50  40  40  30  30  40  50  50  40  40
Temp............85  82  79  77  77  76  75  74  73  73  73  73
RH..............70  77  85  90  88  90  94  93  97  93  97  93
Aparnt tmp (F)..93  88  79  77  77  76  75  74  73  73  73  73
20 FT wind dir..SSW SSE ESE SE  ESE SE  SE  SSE SSE SSE SE  SSE
20 FT wind spd..3   2   2   2   2   2   2   2   2   2   2   2
20 FT wind gust.8   8   7   8   8   8   7   7   7   7   7   7
Surface wnd dir.SSW SSE ESE SE  ESE SE  SE  SSE SSE SSE SE  SSE
Surface wnd spd.3   2   2   2   2   2   2   2   2   2   2   2
Surface wnd gst.8   8   7   8   8   8   7   7   7   7   7   7
Mix hgt (km)....1.2 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.SW  SSE SSE SSE SSE SSE SSE S   S   S   S   S
Transp wind spd.6   8   8   8   9   9   9   7   7   7   6   6
Trans wind dir..SW  SSE SSE SSE SSE SSE SSE S   S   S   S   S
Trans spd (m/s).3   4   4   4   4   4   4   3   3   3   3   3
Ceiling (kft)...7.3 7.3 5.8 5.8 3.5 2.7 2.2 1.3 1.1 0.8 0.9 0.9

.FRIDAY...

Sky/weather.........Partly sunny (65-75 percent) then becoming
                    cloudy (85-95 percent). Chance of showers and
                    thunderstorms in the morning, then showers and
                    thunderstorms likely in the afternoon.
Chance of pcpn......70 percent.
Max temperature.....Around 85.
Min humidity........77 percent.
Max apparent temp...90.
Surface winds (mph).Light winds becoming southwest around 5 mph
                    late in the morning, then increasing to around
                    6 mph early in the afternoon becoming southwest
                    around 6 mph late in the afternoon.
Mixing height (m)...122-1250 meters AGL.
Transport winds.....Southwest 6 to 9 mph.
Transport winds m/s.Southwest 3 to 4 meters/second.
CEILING (KFT).......0.8 decreasing to 0.6 early in the morning,
                    then increasing to 0.9 late in the morning
                    increasing to 1.1 late in the morning
                    increasing to 1.8 increasing to 2.7 late in the
                    afternoon.
Wind (20 ft)........Light winds becoming southwest around 5 mph in
                    the afternoon. Gusty and erratic winds expected
                    near thunderstorms early in the morning. Gusty
                    and erratic winds expected near thunderstorms
                    in the late morning and afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........72        52        85        79
Weather cov.....CHANCE    CHANCE    CHANCE    LIKELY
Weather type....RNSHWR    RNSHWR    RNSHWR    RNSHWR
Tstm cov........CHANCE              S CHC     LIKELY
Chc of pcpn (%).40        30        40        70
Temp............72        76        82        82
RH..............97        94        82        82
Aparnt tmp (F)..72        76        89        89
20 FT wind dir..SE        SSW       SSW       WSW
20 FT wind spd..2         3         6         6
20 FT wind gust.7         8         9         10
Surface wind....SE 2G7    SSW 3G8   SSW 6G9   WSW 6G10
Mix hgt (m).....120       210       550       1250
Transp wind dir.S         SSW       SW        SW
Transp wind spd.6         6         9         8
Trans wind dir..S         SSW       SW        SW
Trans spd (m/s).3         3         4         4
Ceiling (kft)...0.8       0.6       1.1       2.2

$$
Forecaster...GILMORE
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2520618.3/LIX
.DELDT 08/28/25
.FormatterVersion 2.0.0
.EMAIL dawson.primes@tangipahoa.org,sr-lix.forecasters@noaa.gov,vtravis@tangipahoa.org,loesel.matthew@epa.gov