Spot Forecast
Issued by NWS New Orleans/Baton Rouge, LA

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186
FNUS74 KLIX 311840
FWSLIX

Spot Forecast for Roseland Event...Tangipahoa Parish Emergency Management
National Weather Service New Orleans LA
140 PM CDT Sun Aug 31 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 persistent east-northeast wind of 5 to 10 mph will continue to feed drier
and slightly cooler air into the area.  This will keep rain chances
suppressed at 10 percent or less and the risk of lightning will be near
zero through tomorrow.  The lower humidity will also keep heat index values
in the low 90s and wet-bulb globe temperatures in the low to mid 80s both
the rest of this afternoon and tomorrow afternoon.

.REST OF TODAY...

Sky/weather.........Mostly sunny (30-40 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 89.
Min humidity........53 percent.
Max apparent temp...92.
Surface winds (mph).East winds 7 to 9 mph.
Mixing height (m)...1463-1615 meters AGL.
Transport winds.....East 10 to 12 mph.
Transport winds m/s.East 4 to 5 meters/second.
Ceiling (KFT).......25.
Wind (20 ft)........Northeast winds 6 to 8 mph.

TIME (CDT)      1PM 2PM 3PM 4PM 5PM
Sky (%).........39  37  29  38  37
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).0   10  10  10  10
Temp............86  87  87  88  87
RH..............59  55  55  54  53
Aparnt tmp (F)..91  91  91  92  91
20 FT wind dir..ENE ENE ENE ENE ENE
20 FT wind spd..9   9   9   8   7
20 FT wind gust.14  15  14  14  13
Surface wnd dir.ENE ENE ENE ENE ENE
Surface wnd spd.9   9   9   8   7
Surface wnd gst.14  15  14  14  13
Mix hgt (km)....1.5 1.5 1.5 1.6 1.6
Transp wind dir.E   E   E   E   E
Transp wind spd.12  12  12  10  10
Trans wind dir..E   E   E   E   E
Trans spd (m/s).5   5   5   4   4
Ceiling (kft)...25  25  25  25  25

.TONIGHT...

Sky/weather.........Partly cloudy (25-35 percent).
Chance of pcpn......10 percent.
Min temperature.....Around 68.
Max humidity........90 percent.
Max apparent temp...89.
Surface winds (mph).East winds around 6 mph shifting to the
                    northeast around 5 mph.
Mixing height (m)...122-1615 meters AGL.
Transport winds.....East 6 to 10 mph.
Transport winds m/s.East 3 to 4 meters/second.
Ceiling (KFT).......25.
Wind (20 ft)........East winds around 5 mph early in the evening
                    becoming light.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........42  36  26  33  30  17  20  17  25  22  31  25
Weather cov.....
Weather type....
Tstm cov........
Chc of pcpn (%).10  0   0   0   0   0   0   0   0   0   0   0
Temp............85  83  77  75  74  72  72  71  71  70  69  69
RH..............59  63  74  82  82  84  84  90  87  87  90  87
Aparnt tmp (F)..89  87  77  75  74  72  72  71  71  70  69  69
20 FT wind dir..ENE ENE ENE E   ENE NE  NE  NE  NE  NE  NNE NNE
20 FT wind spd..6   5   3   2   2   2   2   2   2   2   2   2
20 FT wind gust.10  9   8   7   7   7   6   6   6   7   7   8
Surface wnd dir.ENE ENE ENE E   ENE NE  NE  NE  NE  NE  NNE NNE
Surface wnd spd.6   5   3   2   2   2   2   2   2   2   2   2
Surface wnd gst.10  9   8   7   7   7   6   6   6   7   7   8
Mix hgt (km)....1.6 0.1 0.1 0.1 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1
Transp wind dir.E   ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE
Transp wind spd.10  7   7   7   6   6   6   6   6   6   6   6
Trans wind dir..E   ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE ENE
Trans spd (m/s).4   3   3   3   3   3   3   3   3   3   3   3
Ceiling (kft)...25  25  25  25  25  25  25  25  25  25  25  25

.LABOR DAY...

Sky/weather.........Mostly sunny (20-30 percent).
Chance of pcpn......10 percent.
Max temperature.....Around 91.
Min humidity........47 percent.
Max apparent temp...93.
Surface winds (mph).East-Northeast winds around 5 mph
                    shifting to the east and rising to 6
                    to 7 mph in the late morning and afternoon.
Mixing height (m)...122-2195 meters AGL.
Transport winds.....East 6 to 12 mph.
Transport winds m/s.East 3 to 5 meters/second.
Ceiling (KFT).......25.
Wind (20 ft)........Light winds becoming east 5 to 6 mph in the
                    late morning and afternoon.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
Sky (%).........30        23        16        12
Weather cov.....
Weather type....NONE      NONE      NONE      NONE
Tstm cov........
Chc of pcpn (%).0         0         0         10
Temp............68        75        86        89
RH..............90        79        57        48
Aparnt tmp (F)..68        75        90        92
20 FT wind dir..NNE       ENE       E         E
20 FT wind spd..2         5         6         7
20 FT wind gust.8         10        10        12
Surface wind....NNE 2G8   ENE 5G10  E 6G10    E 7G12
Mix hgt (m).....120       120       640       1830
Transp wind dir.ENE       ENE       E         E
Transp wind spd.6         7         12        9
Trans wind dir..ENE       ENE       E         E
Trans spd (m/s).3         3         5         4
Ceiling (kft)...25        25        25        25

$$
Forecaster...GRIGSBY
Requested by...Dawson Primes
Type of request...HAZMAT
.TAG 2520617.7/LIX
.DELDT 08/31/25
.FormatterVersion 2.0.0
.EMAIL dawson.primes@tangipahoa.org,vtravis@tangipahoa.org,sr-lix.forecasters@noaa.gov,loesel.matthew@epa.gov