Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
422
FNUS74 KLIX 021733
FWSLIX
Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
1233 PM CDT Tue Sep 2 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 remain stalled along the coast of Louisiana and this
will keep relatively dry conditions in place for most of the
region tonight into tomorrow. RH values will fall to between
45 and 55 percent tomorrow and winds will be light. Fog
development is not expected across the area tonight into tomorrow
morning. A reinforcing front will move through tomorrow night and
this will keep the dry conditions in place through the end of the
week as . a high pressure system builds over the area. Minimum RH
values will remain low at 45 to 55 percent over this period. The
high pressure system will slide to the east over the weekend
allowing winds to turn southerly. Minimum RH values will rise to
between 50 and 60 percent and the risk of scattered afternoon
showers and storms will increase over the weekend and into early
next week.
.REST OF TODAY...
Sky/weather.........Sunny (10-20 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 90.
Min humidity........47 percent.
Max apparent temp...93.
Surface winds (mph).East winds around 6 mph decreasing to around 5
mph late in the afternoon.
Mixing height (m)...1890-1951 meters AGL.
Transport winds.....Northeast around 7 mph.
Transport winds m/s.Northeast around 3 meters/second.
CEILING (KFT).......25.
Wind (20 ft)........East winds around 5 mph early in the afternoon
becoming light.
TIME (CDT) 1PM 2PM 3PM 4PM 5PM
Sky (%).........14 11 9 12 16
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10 10 10 10 10
Temp............89 89 90 89 89
RH..............50 48 47 48 48
Aparnt tmp (F)..93 92 93 92 92
20 FT wind dir..ENE ENE ENE ENE ENE
20 FT wind spd..6 6 5 5 5
20 FT wind gust.9 9 7 7 7
Surface wnd dir.ENE ENE ENE ENE ENE
Surface wnd spd.6 6 5 5 5
Surface wnd gst.9 9 7 7 7
Mix hgt (km)....1.9 1.9 1.9 2.0 2.0
Transp wind dir.ENE ENE ENE ENE ENE
Transp wind spd.7 7 7 7 7
Trans wind dir..ENE ENE ENE ENE ENE
Trans spd (m/s).3 3 3 3 3
Ceiling (kft)...25 25 25 25 25
.TONIGHT...
Sky/weather.........Mostly clear (10-20 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 68.
Max humidity........93 percent.
Max apparent temp...89.
Surface winds (mph).Light winds.
Mixing height (m)...122-1951 meters AGL.
Transport winds.....East 6 to 7 mph shifting to the southeast 5 to
6 mph in the late evening and overnight, then
shifting to the northwest around 2 mph after 3
am.
Transport winds m/s.Northeast around 3 meters/second shifting to
the southeast 2 to 3 meters/second in the
evening and overnight, then shifting to the
northwest around 1 meters/second after 3 am.
CEILING (KFT).......25.
Wind (20 ft)........Light winds.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........22 25 25 20 15 4 2 1 2 9 11 8
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10 10 10 0 0 0 0 0 0 0 0 0
Temp............86 82 78 76 74 73 71 71 70 70 69 69
RH..............55 63 71 76 82 81 87 87 90 90 93 90
Aparnt tmp (F)..89 85 78 76 74 73 71 71 70 70 69 69
20 FT wind dir..ENE ENE ENE ENE ESE E N N N N N N
20 FT wind spd..3 2 2 2 1 1 0 0 0 0 1 1
20 FT wind gust.6 3 3 3 2 2 2 2
Surface wnd dir.ENE ENE ENE ENE ESE E N N N N N N
Surface wnd spd.3 2 2 2 1 1 0 0 0 0 1 1
Surface wnd gst.6 3 3 3 2 2 2 2
Mix hgt (km)....2.0 0.2 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1
Transp wind dir.ENE E E E SE SE SE SE SE SE NW NW
Transp wind spd.7 6 6 6 6 6 6 5 5 5 2 2
Trans wind dir..ENE E E E SE SE SE SE SE SE NW NW
Trans spd (m/s).3 3 3 3 3 3 3 2 2 2 1 1
Ceiling (kft)...25 25 25 25 25 25 25 25 25 25 25 25
.WEDNESDAY...
Sky/weather.........Sunny (15-25 percent). Slight chance of showers
and thunderstorms late in the afternoon.
Chance of pcpn......20 percent.
Max temperature.....Around 90.
Min humidity........50 percent.
Max apparent temp...95.
Surface winds (mph).Light winds.
Mixing height (m)...91-1920 meters AGL.
Transport winds.....Northwest 2 to 3 mph.
Transport winds m/s.Northwest around 1 meters/second.
CEILING (KFT).......23 decreasing to 11.
Wind (20 ft)........Light winds. Gusty and erratic winds expected
near thunderstorms late in the afternoon.
TIME (CDT) 6 AM 9 AM NOON 3 PM
Sky (%).........8 8 17 27
Weather cov.....
Weather type....NONE NONE NONE NONE
Tstm cov........
Chc of pcpn (%).0 0 10 10
Temp............68 78 88 90
RH..............93 76 54 50
Aparnt tmp (F)..68 78 92 95
20 FT wind dir..N NNW WNW WNW
20 FT wind spd..1 1 2 2
20 FT wind gust.2 2 3 3
Surface wind....N 1G2 NNW 1G2 WNW 2G3 WNW 2G3
Mix hgt (m).....120 90 790 1920
Transp wind dir.NW NNW NNW NW
Transp wind spd.2 2 3 3
Trans wind dir..NW NNW NNW NW
Trans spd (m/s).1 1 1 1
Ceiling (kft)...25 25 25 23
$$
Forecaster...LISNEY
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2520617.11/LIX
.DELDT 09/02/25
.FormatterVersion 2.0.0
.EMAIL vtravis@tangipahoa.org,sr-lix.forecasters@noaa.gov,loesel.matthew@epa.gov,dawson.primes@tangipahoa.org