Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
259
FNUS74 KLIX 300953
FWSLIX
Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
453 AM CDT Sat Aug 30 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 chances will remain high today as deep moisture remains
across the area. Afternoon relative humidities are expected to
remain above 60 percent across most of the area. Drier air will
begin working into the area from the north on Sunday with
afternoon relative humidities falling into the 50 to 60 percent
range to the north of the Interstate 10 and 12 corridors. Areal
coverage of precipitation will also diminish across that area on
Sunday. Winds are expected to remain below 15 mph outside of
thunderstorms, which will limit any fire weather concerns.
.TODAY...
Sky/weather.........Partly sunny (60-70 percent). Slight chance of
showers and thunderstorms late in the morning.
Chance of showers and thunderstorms early in
the afternoon, then slight chance of showers
and thunderstorms late in the afternoon.
Chance of pcpn......40 percent.
Max temperature.....Around 86.
Min humidity........74 percent.
Max apparent temp...91.
Surface winds (mph).North winds around 5 mph increasing to around 6
mph late in the afternoon, then shifting to the
northeast around 5 mph late in the afternoon.
Mixing height (m)...122-1067 meters AGL.
Transport winds.....North 3 to 6 mph shifting to the northeast
around 7 mph late in the afternoon.
Transport winds m/s.North 1 to 3 meters/second.
CEILING (KFT).......0.8 decreasing to 0.4 early in the morning,
then increasing to 0.8 early in the morning
decreasing to 0.7 late in the morning
increasing to 1.1 increasing to 1.8 early in
the afternoon increasing to 2.7 increasing to
3.5 late in the afternoon.
Wind (20 ft)........Light winds becoming north around 5 mph late in
the afternoon, then becoming light late in the
afternoon. Gusty and erratic winds expected
near thunderstorms late in the morning.
TIME (CDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........88 74 83 75 54 69 60 65 49 58 46 51 49
Weather cov.....SCH SCH SCH CHC CHC CHC SCH SCH
Weather type....RW RW RW RW RW RW RW RW
Tstm cov........ SCH SCH CHC CHC CHC SCH SCH
Chc of pcpn (%).20 10 10 0 0 10 20 20 40 40 30 20 20
Temp............71 72 71 72 75 77 79 80 82 82 83 83 83
RH..............100 100 100 100 97 94 91 88 82 79 80 77 74
Aparnt tmp (F)..71 72 71 72 75 77 79 86 89 89 91 90 90
20 FT wind dir..N NNE NNE NNE NNE NNE NNE NNE NNE N NNE NNE NNE
20 FT wind spd..1 1 2 2 2 3 5 5 5 6 6 6 5
20 FT wind gust.6 6 7 7 7 8 9 9 9 9 10 10 10
Surface wnd dir.N NNE NNE NNE NNE NNE NNE NNE NNE N NNE NNE NNE
Surface wnd spd.1 1 2 2 2 3 5 5 5 6 6 6 5
Surface wnd gst.6 6 7 7 7 8 9 9 9 9 10 10 10
Mix hgt (km)....0.2 0.2 0.1 0.1 0.1 0.5 0.5 0.5 0.9 0.9 0.9 1.1 1.1
Transp wind dir.NW NW N N N N N N N N N NNE NNE
Transp wind spd.3 3 3 3 3 6 6 6 6 6 6 7 7
Trans wind dir..NW NW N N N N N N N N N NNE NNE
Trans spd (m/s).1 1 1 1 1 3 3 3 3 3 3 3 3
Ceiling (kft)...0.8 0.8 0.4 0.8 0.7 1.1 1.3 1.8 2.2 2.7 3.5 3.5 3.5
.TONIGHT...
Sky/weather.........Mostly cloudy (45-55 percent) then becoming
partly cloudy (25-35 percent). Chance of
showers and thunderstorms early in the evening.
Chance of pcpn......30 percent.
Min temperature.....Around 70.
Max humidity........97 percent.
Max apparent temp...86.
Surface winds (mph).Northeast winds around 5 mph.
Mixing height (m)...122-1067 meters AGL.
Transport winds.....East 5 to 7 mph.
Transport winds m/s.East 2 to 3 meters/second.
CEILING (KFT).......10 increasing to 25.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
near thunderstorms early in the evening.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........51 39 32 30 28 20 18 20 32 35 23 25
Weather cov.....CHC
Weather type....RW
Tstm cov........CHC
Chc of pcpn (%).30 10 0 0 0 0 0 0 0 0 0 0
Temp............81 79 77 75 74 73 73 72 72 71 71 70
RH..............79 85 88 94 93 93 93 97 97 97 97 97
Aparnt tmp (F)..86 79 77 75 74 73 73 72 72 71 71 70
20 FT wind dir..NE NE NNE NE NE NE NE NE NE NE NE NE
20 FT wind spd..5 3 2 2 2 2 2 2 2 2 2 2
20 FT wind gust.9 8 8 7 7 7 7 7 7 7 8 8
Surface wnd dir.NE NE NNE NE NE NE NE NE NE NE NE NE
Surface wnd spd.5 3 2 2 2 2 2 2 2 2 2 2
Surface wnd gst.9 8 8 7 7 7 7 7 7 7 8 8
Mix hgt (km)....1.1 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.NNE ENE ENE ENE ENE ENE ENE E E E ENE ENE
Transp wind spd.7 5 5 5 6 6 6 7 7 7 7 7
Trans wind dir..NNE ENE ENE ENE ENE ENE ENE E E E ENE ENE
Trans spd (m/s).3 2 2 2 3 3 3 3 3 3 3 3
Ceiling (kft)...10 25 25 25 25 25 25 25 25 25 25 25
.SUNDAY...
Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
showers and thunderstorms in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 88.
Min humidity........61 percent.
Max apparent temp...91.
Surface winds (mph).East winds around 5 mph increasing to northeast
6 to 7 mph in the late morning and afternoon.
Mixing height (m)...122-1798 meters AGL.
Transport winds.....East 7 to 12 mph.
Transport winds m/s.East 3 to 5 meters/second.
CEILING (KFT).......25 decreasing to 11 late in the afternoon.
Wind (20 ft)........Light winds becoming northeast 5 to 6 mph in
the late morning and afternoon. Gusty and
erratic winds expected near thunderstorms in
the afternoon.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........29 28 43 46
Weather cov..... S CHC
Weather type....NONE NONE NONE RNSHWR
Tstm cov........ S CHC
Chc of pcpn (%).0 0 0 20
Temp............70 75 84 86
RH..............97 90 70 61
Aparnt tmp (F)..70 75 90 91
20 FT wind dir..NE ENE ENE NE
20 FT wind spd..3 6 7 7
20 FT wind gust.9 12 12 13
Surface wind....NE 3G9 ENE 6G12 ENE 7G12 NE 7G13
Mix hgt (m).....120 120 670 1580
Transp wind dir.ENE E E E
Transp wind spd.7 8 12 8
Trans wind dir..ENE E E E
Trans spd (m/s).3 4 5 4
Ceiling (kft)...25 25 25 11
$$
Forecaster...LIM
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2520617.5/LIX
.DELDT 08/30/25
.FormatterVersion 2.0.0
.EMAIL sr-lix.forecasters@noaa.gov,dawson.primes@tangipahoa.org,loesel.matthew@epa.gov,vtravis@tangipahoa.org