Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
613
FNUS74 KLIX 291938
FWSLIX
Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
238 PM CDT Fri Aug 29 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 high rain chances over
the next couple days. Afternoon minimum relative humidities will
be greater than 60 percent today 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 cloudy (75-85 percent). Showers and
thunderstorms early in the afternoon, then
showers and thunderstorms likely late in the
afternoon. Chance of showers and thunderstorms
late in the afternoon.
Chance of pcpn......90 percent.
Max temperature.....Around 83.
Min humidity........94 percent.
Max apparent temp...79.
Surface winds (mph).Southwest winds around 5 mph.
Mixing height (m)...610-671 meters AGL.
Transport winds.....Southwest 9 to 10 mph.
Transport winds m/s.Southwest around 4 meters/second.
CEILING (KFT).......1.8 increasing to 2.7 late in the afternoon.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
near thunderstorms.
TIME (CDT) 2PM 3PM 4PM 5PM
Sky (%).........90 85 91 72
Weather cov.....DEF LKY LKY CHC
Weather type....RW RW RW RW
Tstm cov........DEF LKY LKY CHC
Chc of pcpn (%).90 70 60 50
Temp............79 79 79 78
RH..............94 94 94 94
Aparnt tmp (F)..79 79 79 78
20 FT wind dir..WSW WSW WSW WSW
20 FT wind spd..5 5 5 5
20 FT wind gust.9 9 9 8
Surface wnd dir.WSW WSW WSW WSW
Surface wnd spd.5 5 5 5
Surface wnd gst.9 9 9 8
Mix hgt (km)....0.7 0.7 0.6 0.6
Transp wind dir.SW SW SW SW
Transp wind spd.10 10 9 9
Trans wind dir..SW SW SW SW
Trans spd (m/s).4 4 4 4
Ceiling (kft)...1.8 2.2 2.2 2.7
.TONIGHT...
Sky/weather.........Mostly cloudy (65-75 percent). Chance of
showers in the evening. Chance of thunderstorms
through the night. Showers likely overnight.
Chance of pcpn......70 percent.
Min temperature.....Around 71.
Max humidity........100 percent.
Max apparent temp...78.
Surface winds (mph).Light winds.
Mixing height (m)...152-610 meters AGL.
Transport winds.....South 5 to 9 mph decreasing to around 5 mph
late in the evening, then shifting to the west
around 3 mph overnight shifting to the
northwest after 3 am.
Transport winds m/s.Southwest around 4 meters/second shifting to
the south around 2 meters/second in the
evening, then shifting to the west around 1
meters/second overnight shifting to the
northwest after 3 am.
CEILING (KFT).......2.7 increasing to 3.5 early in the evening,
then decreasing to 2.7 early in the evening
decreasing to 1.8 late in the evening
decreasing to 1.1 decreasing to 0.6 after 3 am
increasing to 0.7 decreasing to 0.6 early in
the morning.
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 (%).........73 79 75 79 65 57 52 66 72 83 84 79
Weather cov.....CHC CHC CHC CHC CHC CHC CHC CHC LKY 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 40 40 50 50 40 40 50 70 50 50 50
Temp............78 76 75 74 73 73 72 72 72 72 72 72
RH..............94 97 97 100 100 100 100 100 100 100 100 100
Aparnt tmp (F)..78 76 75 74 73 73 72 72 72 72 72 72
20 FT wind dir..SW SW SSW NE ENE NE NNE E N NNW NW N
20 FT wind spd..3 2 2 2 2 1 1 1 1 1 1 1
20 FT wind gust.8 8 6 6 7 6 6 6 6 6 6 6
Surface wnd dir.SW SW SSW NE ENE NE NNE E N NNW NW N
Surface wnd spd.3 2 2 2 2 1 1 1 1 1 1 1
Surface wnd gst.8 8 6 6 7 6 6 6 6 6 6 6
Mix hgt (km)....0.6 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2
Transp wind dir.SW S S S SSE SSE SSE WSW WSW WSW NW NW
Transp wind spd.9 5 5 5 5 5 5 3 3 3 3 3
Trans wind dir..SW S S S SSE SSE SSE WSW WSW WSW NW NW
Trans spd (m/s).4 2 2 2 2 2 2 1 1 1 1 1
Ceiling (kft)...2.7 3.5 2.7 1.8 1.3 1.3 1.3 1.3 1.1 0.6 0.7 0.6
.SATURDAY...
Sky/weather.........Mostly cloudy (65-75 percent) then becoming
mostly sunny (40-50 percent). Chance of showers
and thunderstorms through the day.
Chance of pcpn......50 percent.
Max temperature.....Around 85.
Min humidity........74 percent.
Max apparent temp...91.
Surface winds (mph).North winds around 5 mph increasing to around 6
mph in the afternoon.
Mixing height (m)...183-1097 meters AGL.
Transport winds.....North 3 to 7 mph increasing to around 7 mph
late in the afternoon.
Transport winds m/s.North 2 to 3 meters/second.
CEILING (KFT).......0.6 decreasing to 0.5 early in the morning,
then increasing to 0.6 late in the morning
increasing to 0.9 late in the morning
increasing to 1.3 increasing to 2.2 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 in the
afternoon. Gusty and erratic winds expected
near thunderstorms early in the morning. Gusty
and erratic winds expected near thunderstorms
early in the afternoon. Gusty and erratic winds
expected near thunderstorms in the afternoon.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........76 76 56 39
Weather cov.....CHANCE CHANCE CHANCE
Weather type....RNSHWR NONE RNSHWR RNSHWR
Tstm cov........CHANCE S CHC CHANCE
Chc of pcpn (%).50 10 30 40
Temp............71 74 81 83
RH..............100 100 85 80
Aparnt tmp (F)..71 74 87 91
20 FT wind dir..N NNE N N
20 FT wind spd..2 2 6 6
20 FT wind gust.7 8 9 10
Surface wind....N 2G7 NNE 2G8 N 6G9 N 6G10
Mix hgt (m).....180 240 580 1040
Transp wind dir.NW N NNW N
Transp wind spd.3 5 6 7
Trans wind dir..NW N NNW N
Trans spd (m/s).1 2 3 3
Ceiling (kft)...0.6 0.6 1.5 2.7
$$
Forecaster...EFFERSON
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2520618.4/LIX
.DELDT 08/29/25
.FormatterVersion 2.0.0
.EMAIL dawson.primes@tangipahoa.org,loesel.matthew@epa.gov,vtravis@tangipahoa.org,sr-lix.forecasters@noaa.gov