Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
134
FNUS74 KLIX 060903
FWSLIX
Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
403 AM CDT Sat Sep 6 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...
A front will approach the area on Saturday, which could introduce
a few isolated showers. Once the front passes, much drier air
filters into the area late Sunday through Tuesday. For today and
Sunday, minimum relative humidities will be in the 45 to
55 percent range, but could fall to 35 percent or lower on
Monday. Winds could be a little breezy on Monday as well. Daytime
relative humidities will increase at midweek, but widespread
significant rainfall is not currently anticipated over the next
7 days.
.REST OF TONIGHT...
Sky/weather.........Mostly cloudy (60-70 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 72.
Max humidity........93 percent.
Max apparent temp...74.
Surface winds (mph).Light winds.
Mixing height (m)...122 meters AGL.
Transport winds.....Southwest around 5 mph.
Transport winds m/s.Southwest around 2 meters/second.
CEILING (KFT).......25.
Wind (20 ft)........Light winds.
TIME (CDT) MID
Sky (%).........66
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0
Temp............74
RH..............93
Aparnt tmp (F)..74
20 FT wind dir..SSW
20 FT wind spd..1
20 FT wind gust.3
Surface wnd dir.SSW
Surface wnd spd.1
Surface wnd gst.3
Mix hgt (km)....0.1
Transp wind dir.SW
Transp wind spd.5
Trans wind dir..SW
Trans spd (m/s).2
Ceiling (kft)...25
.TODAY...
Sky/weather.........Mostly sunny (45-55 percent). Slight chance of
showers and thunderstorms early in the
afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 90.
Min humidity........59 percent.
Max apparent temp...96.
Surface winds (mph).Light winds becoming northwest around 5 mph
early in the morning, then shifting to the
north around 6 mph in the afternoon.
Mixing height (m)...122-1554 meters AGL.
Transport winds.....Southwest around 5 mph shifting to the north 8
to 9 mph in the afternoon.
Transport winds m/s.Southwest around 2 meters/second shifting to
the north around 4 meters/second in the
afternoon.
CEILING (KFT).......25 decreasing to 11 early in the afternoon,
then increasing to 25 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 afternoon.
TIME (CDT) 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P
Sky (%).........70 63 54 45 58 42 49 34 51 26 36 35
Weather cov..... SCH SCH
Weather type.... RW RW
Tstm cov........ SCH SCH
Chc of pcpn (%).0 0 0 0 10 10 10 20 20 10 10 10
Temp............73 72 74 79 82 85 86 87 88 88 88 88
RH..............97 100 97 88 77 72 68 65 61 61 59 59
Aparnt tmp (F)..73 72 74 79 88 94 94 95 96 96 95 95
20 FT wind dir..WSW WNW NW WNW NW NNW N N N N NNE NNE
20 FT wind spd..1 1 1 2 3 5 6 6 6 6 6 6
20 FT wind gust.3 3 5 7 8 8 9 10 10 10 10 10
Surface wnd dir.WSW WNW NW WNW NW NNW N N N N NNE NNE
Surface wnd spd.1 1 1 2 3 5 6 6 6 6 6 6
Surface wnd gst.3 3 5 7 8 8 9 10 10 10 10 10
Mix hgt (km)....0.1 0.2 0.2 0.2 0.8 0.8 0.8 1.4 1.4 1.4 1.6 1.6
Transp wind dir.SW WNW WNW WNW NW NW NW N N N N N
Transp wind spd.5 6 6 6 8 8 8 9 9 9 8 8
Trans wind dir..SW WNW WNW WNW NW NW NW N N N N N
Trans spd (m/s).2 3 3 3 4 4 4 4 4 4 4 4
Ceiling (kft)...25 25 25 25 25 25 25 11 11 25 25 25
.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 69.
Max humidity........93 percent.
Max apparent temp...91.
Surface winds (mph).North winds around 6 mph decreasing to around 5
mph in the evening and overnight, then
increasing to around 6 mph after 3 am.
Mixing height (m)...122-1554 meters AGL.
Transport winds.....Northeast 7 to 9 mph.
Transport winds m/s.Northeast 3 to 4 meters/second.
CEILING (KFT).......25.
Wind (20 ft)........North winds around 5 mph early in the evening
becoming light, then becoming north around 5
mph after 3 am.
TIME (CDT) 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM 10P 11P MID
Sky (%).........41 27 19 28 20 18 11 13 11 12 9 8
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10 10 10 0 0 0 0 0 0 0 10 0
Temp............86 82 79 77 76 74 74 73 72 72 71 71
RH..............61 72 77 85 85 87 87 90 90 90 93 90
Aparnt tmp (F)..91 87 79 77 76 74 74 73 72 72 71 71
20 FT wind dir..NNE NNE NNE N NNE N NNE NNE NNE NNE NNE NNE
20 FT wind spd..6 5 3 3 3 3 3 3 5 6 6 6
20 FT wind gust.9 9 9 9 9 10 10 10 12 13 14 14
Surface wnd dir.NNE NNE NNE N NNE N NNE NNE NNE NNE NNE NNE
Surface wnd spd.6 5 3 3 3 3 3 3 5 6 6 6
Surface wnd gst.9 9 9 9 9 10 10 10 12 13 14 14
Mix hgt (km)....1.6 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.N NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE
Transp wind spd.8 7 7 7 8 8 8 9 9 9 9 9
Trans wind dir..N NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE
Trans spd (m/s).4 3 3 3 4 4 4 4 4 4 4 4
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
.SUNDAY...
Sky/weather.........Mostly sunny (20-30 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 88.
Min humidity........55 percent.
Max apparent temp...92.
Surface winds (mph).North winds 7 to 10 mph.
Mixing height (m)...122-1524 meters AGL.
Transport winds.....Northeast 9 to 13 mph.
Transport winds m/s.Northeast 4 to 6 meters/second.
CEILING (KFT).......25.
Wind (20 ft)........Northeast winds 6 to 8 mph.
TIME (CDT) 1AM 2AM 3AM 4AM 5AM 6AM 7AM 8AM 9AM 10A 11A 12P
Sky (%).........13 18 15 17 32 32 31 31 33 36 38 34
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 10 10 10 10 10
Temp............70 69 71 74 77 80 84 86 87 87 86 84
RH..............90 93 90 84 76 72 63 59 57 55 55 57
Aparnt tmp (F)..70 69 71 74 77 83 88 91 92 91 89 87
20 FT wind dir..NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE
20 FT wind spd..7 7 9 9 9 9 9 9 9 10 10 9
20 FT wind gust.15 15 16 16 15 14 14 14 15 15 16 16
Surface wnd dir.NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE
Surface wnd spd.7 7 9 9 9 9 9 9 9 10 10 9
Surface wnd gst.15 15 16 16 15 14 14 14 15 15 16 16
Mix hgt (km)....0.1 0.2 0.2 0.2 0.6 0.6 0.6 1.4 1.4 1.4 1.5 1.5
Transp wind dir.NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE N N
Transp wind spd.9 10 10 10 13 13 13 12 12 12 12 12
Trans wind dir..NNE NNE NNE NNE NNE NNE NNE NNE NNE NNE N N
Trans spd (m/s).4 4 4 4 6 6 6 5 5 5 5 5
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
$$
Forecaster...WILLIAMS
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2521431.0/LIX
.DELDT 09/06/25
.FormatterVersion 2.0.0
.EMAIL loesel.matthew@epa.gov,dawson.primes@tangipahoa.org,sr-lix.forecasters@noaa.gov,vtravis@tangipahoa.org