307
FNUS74 KLIX 130801
FWSLIX
SPOT FORECAST FOR ROSELAND EVENT...TANGIPAHOA PARISH EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
301 AM CDT SAT SEP 13 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
DRY HIGH PRESSURE WILL REMAIN IN CONTROL OF THE AREA WEATHER.
WITH AFTERNOON MIXING, DEWPOINTS ARE FORECAST TO DROP INTO THE
UPPER 50S AND LOW 60S MOST LOCATIONS FOR AT LEAST THE NEXT FEW
DAYS. COMBINED WITH AFTERNOON TEMPERATURES IN THE LOW TO MID 90S,
MINIMUM RV VALUES ARE FORECAST TO DROP TO NEAR OR BELOW 35%
ACROSS MOST INLAND AREAS EACH AFTERNOON THROUGH AT LEAST TUESDAY.
CLOSER TO THE COAST, SEA AND LAKE BREEZE INFLUENCES WILL HELP
KEEP RELATIVE HUMIDITY ABOVE 35%. NO FOG EXPECTED FOR AT LEAST
THE NEXT FEW DAYS.
REST OF TONIGHT
SKY/WEATHER.........CLEAR (0-10 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 69.
MAX HUMIDITY........90 PERCENT.
MAX APPARENT TEMP...71.
SURFACE WINDS (MPH).LIGHT WINDS.
MIXING HEIGHT (M)...122 METERS AGL.
TRANSPORT WINDS.....NORTH AROUND 5 MPH.
TRANSPORT WINDS M/S.NORTH AROUND 2 METERS/SECOND.
CEILING (KFT).......25.
WIND (20 FT)........LIGHT WINDS.
TIME (CDT) 4AM 5AM
SKY (%).........4 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0
TEMP............71 70
RH..............84 90
APARNT TMP (F)..71 70
20 FT WIND DIR..NNW NNW
20 FT WIND SPD..1 1
20 FT WIND GUST.5 5
SURFACE WND DIR.NNW NNW
SURFACE WND SPD.1 1
SURFACE WND GST.5 5
MIX HGT (KM)....0.1 0.1
TRANSP WIND DIR.N N
TRANSP WIND SPD.5 5
TRANS WIND DIR..N N
TRANS SPD (M/S).2 2
CEILING (KFT)...25 25
TODAY
SKY/WEATHER.........SUNNY (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 93.
MIN HUMIDITY........33 PERCENT.
MAX APPARENT TEMP...93.
SURFACE WINDS (MPH).NORTHEAST WINDS AROUND 5 MPH SHIFTING TO THE 7
TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT (M)...122-2804 METERS AGL.
TRANSPORT WINDS.....NORTHEAST 5 TO 9 MPH INCREASING TO AROUND 8 MPH
LATE IN THE AFTERNOON.
TRANSPORT WINDS M/S.NORTHEAST 2 TO 4 METERS/SECOND.
CEILING (KFT).......25.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 6 TO 7 MPH IN
THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........2 1 1 2 7 4 9 17 13 4 13 12
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............69 69 71 76 84 88 90 92 92 93 93 91
RH..............93 90 90 82 59 48 42 37 37 33 33 36
APARNT TMP (F)..69 69 71 76 87 90 91 93 93 93 93 91
20 FT WIND DIR..NNW N N N NNE NNE NNE NE NE NE NE NE
20 FT WIND SPD..1 2 2 2 3 5 7 7 8 8 7 7
20 FT WIND GUST.6 6 6 7 8 9 12 12 13 13 12 12
SURFACE WND DIR.NNW N N N NNE NNE NNE NE NE NE NE NE
SURFACE WND SPD.1 2 2 2 3 5 7 7 8 8 7 7
SURFACE WND GST.6 6 6 7 8 9 12 12 13 13 12 12
MIX HGT (KM)....0.1 0.1 0.1 0.1 0.5 0.5 0.5 2.8 2.8 2.8 2.7 2.7
TRANSP WIND DIR.N N N N NE NE NE NE NE NE NE NE
TRANSP WIND SPD.5 5 5 5 7 7 7 9 9 9 8 8
TRANS WIND DIR..N N N N NE NE NE NE NE NE NE NE
TRANS SPD (M/S).2 2 2 2 3 3 3 4 4 4 4 4
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 68.
MAX HUMIDITY........93 PERCENT.
MAX APPARENT TEMP...90.
SURFACE WINDS (MPH).EAST WINDS AROUND 6 MPH SHIFTING TO THE
SOUTHEAST AROUND 5 MPH EARLY IN THE EVENING,
THEN BECOMING LIGHT IN THE LATE EVENING AND
OVERNIGHT.
MIXING HEIGHT (M)...122-2682 METERS AGL.
TRANSPORT WINDS.....NORTHEAST AROUND 8 MPH SHIFTING TO THE
SOUTHEAST AROUND 7 MPH IN THE EVENING, THEN
SHIFTING TO THE SOUTHWEST 5 TO 6 MPH OVERNIGHT.
TRANSPORT WINDS M/S.NORTHEAST AROUND 4 METERS/SECOND SHIFTING TO
THE SOUTHEAST AROUND 3 METERS/SECOND IN THE
EVENING, THEN SHIFTING TO THE SOUTHWEST 2 TO 3
METERS/SECOND OVERNIGHT.
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 (%).........18 19 19 13 8 3 1 2 4 8 8 3
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............90 86 80 78 76 74 73 72 71 71 70 69
RH..............38 45 54 60 66 74 81 87 90 90 93 93
APARNT TMP (F)..90 86 81 78 76 74 73 72 71 71 70 69
20 FT WIND DIR..ENE E SE SSE SSE SSE S S SSW ENE WNW NW
20 FT WIND SPD..6 5 5 3 2 2 2 1 1 1 1 1
20 FT WIND GUST.10 9 9 10 8 8 7 6 5 3 3 3
SURFACE WND DIR.ENE E SE SSE SSE SSE S S SSW ENE WNW NW
SURFACE WND SPD.6 5 5 3 2 2 2 1 1 1 1 1
SURFACE WND GST.10 9 9 10 8 8 7 6 5 3 3 3
MIX HGT (KM)....2.7 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.NE SE SE SE S S S SSW SSW SSW SW SW
TRANSP WIND SPD.8 7 7 7 7 7 7 6 6 6 5 5
TRANS WIND DIR..NE SE SE SE S S S SSW SSW SSW SW SW
TRANS SPD (M/S).4 3 3 3 3 3 3 3 3 3 2 2
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25
FORECASTER...STANFIELD
REQUESTED BY...DAWSON PRIMES
TYPE OF REQUEST...HAZMAT
.TAG 2521873.1/LIX
.DELDT 09/13/25
.FORMATTERVERSION 2.0.0
.EMAIL SR-LIX.FORECASTERS@NOAA.GOV,VTRAVIS@TANGIPAHOA.ORG,SCHROEDER.HOPE@EPA.GOV,DAWSON.PRIMES@TANGIPAHOA.ORG
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page