Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA
Issued by NWS New Orleans/Baton Rouge, LA
081
FNUS74 KLIX 171910
FWSLIX
Spot Forecast for Roseland Event...Tangipahoa Parish EM
National Weather Service New Orleans LA
210 PM CDT Fri Oct 17 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...
High pressure has moved east of the area with relative humidities
moderating in response. Minimum RH values will be between 45 and
55 percent for much of the area the rest of today, and likely to be
above 60 percent for most of the area Saturday. A cold front is expected to move
through the area late Saturday night into Sunday morning. Showers
and thunderstorms are expected to accompany the front, but areal
average rainfall amounts are expected to remain well below one
inch across most or all of the area. Drier weather is again
expected behind this frontal passage, with minimum RH values
falling below 40 percent, and possibly approaching critical
levels near and north of the Interstate 10/12 corridor Monday
afternoon.
.REST OF TODAY...
Sky/weather.........Mostly sunny (25-35 percent).
Chance of pcpn......0 percent.
Max temperature.....Around 87.
Min humidity........45 percent.
Max apparent temp...88.
Surface winds (mph).South winds 9 to 10 mph.
Mixing height (m)...1372-1433 meters AGL.
Transport winds.....Southeast 9 to 10 mph.
Transport winds m/s.South around 4 meters/second.
CEILING (KFT).......25.
Wind (20 ft)........South winds around 8 mph.
TIME (CDT) 3PM 4PM 5PM
Sky (%).........26 32 31
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0
Temp............86 87 85
RH..............46 45 50
Aparnt tmp (F)..87 88 86
20 FT wind dir..SSE SSE SSE
20 FT wind spd..9 10 10
20 FT wind gust.14 15 15
Surface wnd dir.SSE SSE SSE
Surface wnd spd.9 10 10
Surface wnd gst.14 15 15
Mix hgt (km)....1.4 1.4 1.4
Transp wind dir.SSE SSE SSE
Transp wind spd.9 10 10
Trans wind dir..SSE SSE SSE
Trans spd (m/s).4 4 4
Ceiling (kft)...25 25 25
.TONIGHT...
Sky/weather.........Mostly clear (20-30 percent).
Chance of pcpn......0 percent.
Min temperature.....Around 67.
Max humidity........100 percent.
Max apparent temp...84.
Surface winds (mph).Southeast winds 6 to 9 mph decreasing to east
around 5 mph late in the evening.
Mixing height (m)...152-1433 meters AGL.
Transport winds.....Southeast 7 to 10 mph.
Transport winds m/s.Southeast 3 to 4 meters/second.
CEILING (KFT).......25 decreasing to 0.5.
Wind (20 ft)........Southeast winds 5 to 8 mph in the evening
becoming light.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........27 18 15 18 13 6 9 10 12 21 30 40
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0 0 0 0 0 0 0 0 0 0 0 0
Temp............83 79 74 72 71 69 68 68 67 68 67 67
RH..............53 64 76 84 90 97 100 100 100 97 100 100
Aparnt tmp (F)..84 79 74 72 71 69 68 68 67 68 67 67
20 FT wind dir..SSE SSE SSE SE SE SE SE SE ESE ESE ESE ESE
20 FT wind spd..9 8 7 6 6 5 3 2 2 2 2 2
20 FT wind gust.16 15 15 14 13 12 10 9 8 8 8 8
Surface wnd dir.SSE SSE SSE SE SE SE SE SE ESE ESE ESE ESE
Surface wnd spd.9 8 7 6 6 5 3 2 2 2 2 2
Surface wnd gst.16 15 15 14 13 12 10 9 8 8 8 8
Mix hgt (km)....1.4 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.SSE SSE SSE SSE SE SE SE SE SE SE SE SE
Transp wind spd.10 10 10 10 9 9 9 7 7 7 7 7
Trans wind dir..SSE SSE SSE SSE SE SE SE SE SE SE SE SE
Trans spd (m/s).4 4 4 4 4 4 4 3 3 3 3 3
Ceiling (kft)...25 25 25 25 25 25 25 25 25 1.8 0.7 0.5
.SATURDAY...
Sky/weather.........Mostly sunny (35-45 percent). Slight chance of
showers and thunderstorms early in the
afternoon. Chance of showers and thunderstorms
late in the afternoon.
Chance of pcpn......50 percent.
Max temperature.....Around 86.
Min humidity........65 percent.
Max apparent temp...91.
Surface winds (mph).Southeast winds around 5 mph shifting to the
south 7 to 14 mph in the late morning and
afternoon.
Mixing height (m)...152-1219 meters AGL.
Transport winds.....South 7 to 16 mph increasing to 15 to 17 mph in
the afternoon.
Transport winds m/s.South 4 to 8 meters/second.
CEILING (KFT).......0.3 decreasing to 0.2 early in the morning,
then increasing to 0.8 early in the morning
increasing to 2.7 late in the morning
increasing to 3.5 increasing to 4.5 late in the
morning increasing to 25 decreasing to 10 late
in the afternoon.
Wind (20 ft)........Light winds becoming south 6 to 12 mph in the
late morning and afternoon. Gusty and erratic
winds expected near thunderstorms late in the
afternoon.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........25 30 25 44 30 44 38 35 33 45 33 54
Weather cov..... SCH SCH CHC CHC
Weather type.... RW RW RW RW
Tstm cov........ SCH SCH CHC CHC
Chc of pcpn (%).0 0 0 0 10 10 10 10 20 20 30 50
Temp............67 67 69 72 78 82 83 84 85 84 83 83
RH..............100 100 97 100 85 74 72 67 65 67 70 70
Aparnt tmp (F)..67 67 69 72 78 87 89 90 91 90 88 88
20 FT wind dir..ESE ESE ESE SE SSE SSE S SSE SSE SSE SSE SSE
20 FT wind spd..2 2 5 7 9 10 12 12 14 14 14 13
20 FT wind gust.8 9 10 13 14 14 16 16 20 20 20 20
Surface wnd dir.ESE ESE ESE SE SSE SSE S SSE SSE SSE SSE SSE
Surface wnd spd.2 2 5 7 9 10 12 12 14 14 14 13
Surface wnd gst.8 9 10 13 14 14 16 16 20 20 20 20
Mix hgt (km)....0.2 0.2 0.2 0.2 0.9 0.9 0.9 1.2 1.2 1.2 1.0 1.0
Transp wind dir.SE SSE SSE SSE S S S S S S S S
Transp wind spd.7 8 8 8 16 16 16 17 17 17 15 15
Trans wind dir..SE SSE SSE SSE S S S S S S S S
Trans spd (m/s).3 4 4 4 7 7 7 8 8 8 7 7
Ceiling (kft)...0.3 0.2 0.8 2.7 3.5 4.5 25 25 11 11 10 10
$$
Forecaster...LIM
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2523508.4/LIX
.DELDT 10/17/25
.FormatterVersion 2.0.0
.EMAIL sr-lix.forecasters@noaa.gov,dawson.primes@tangipahoa.org,vtravis@tangipahoa.org,schroeder.hope@epa.gov