507
FNUS74 KLIX 111923
FWSLIX
SPOT FORECAST FOR ROSELAND EVENT...TANGIPAHOA PARISH EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
223 PM CDT THU SEP 11 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
LIGHT NORTHEAST WINDS OF LESS THAN 10 MPH AND WARM DAYTIME TEMPERATURES
IN THE LOWER 90S ARE FORECAST FOR THE REST OF THIS AFTERNOON AND AGAIN
FOR TOMORROW. SKIES WILL REMAIN CLEAR AND THERE WILL BE NO RISK OF
LIGHTNING OR HEAVY RAINFALL. LOW HUMIDITY WILL KEEP WBGT VALUES IN THE
MID 80S BOTH THIS AFTERNOON AND TOMORROW AFTERNOON.
REST OF TODAY
SKY/WEATHER.........SUNNY (0-5 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 92.
MIN HUMIDITY........38 PERCENT.
MAX APPARENT TEMP...93.
SURFACE WINDS (MPH).NORTHEAST WINDS AROUND 6 MPH DECREASING TO
AROUND 5 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT (M)...1859-2073 METERS AGL.
TRANSPORT WINDS.....NORTHEAST 8 TO 9 MPH.
TRANSPORT WINDS M/S.NORTHEAST AROUND 4 METERS/SECOND.
CEILING (KFT).......25.
WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH LATE IN THE
AFTERNOON BECOMING LIGHT.
TIME (CDT) 3PM 4PM 5PM
SKY (%).........1 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0
TEMP............91 92 90
RH..............41 38 42
APARNT TMP (F)..93 93 91
20 FT WIND DIR..ENE NE NE
20 FT WIND SPD..6 6 5
20 FT WIND GUST.10 9 8
SURFACE WND DIR.ENE NE NE
SURFACE WND SPD.6 6 5
SURFACE WND GST.10 9 8
MIX HGT (KM)....1.9 2.1 2.1
TRANSP WIND DIR.NE NE NE
TRANSP WIND SPD.9 8 8
TRANS WIND DIR..NE NE NE
TRANS SPD (M/S).4 4 4
CEILING (KFT)...25 25 25
TONIGHT
SKY/WEATHER.........CLEAR (0-5 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MIN TEMPERATURE.....AROUND 68.
MAX HUMIDITY........84 PERCENT.
MAX APPARENT TEMP...90.
SURFACE WINDS (MPH).LIGHT WINDS.
MIXING HEIGHT (M)...122-2073 METERS AGL.
TRANSPORT WINDS.....NORTHEAST 6 TO 8 MPH SHIFTING TO THE SOUTHEAST
AROUND 5 MPH LATE IN THE EVENING, THEN SHIFTING
TO THE NORTHWEST AROUND 5 MPH AFTER 3 AM.
TRANSPORT WINDS M/S.NORTHEAST AROUND 4 METERS/SECOND SHIFTING TO
THE SOUTHEAST AROUND 2 METERS/SECOND LATE IN
THE EVENING SHIFTING THEN SHIFTING TO THE
NORTHWEST AROUND 2 METERS/SECOND.
CEILING (KFT).......25.
WIND (20 FT)........LIGHT WINDS.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........1 0 1 3 3 2 1 1 2 2 2 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............89 86 80 78 76 74 73 72 71 70 69 69
RH..............44 50 62 67 69 71 76 79 79 84 84 84
APARNT TMP (F)..90 88 82 78 76 74 73 72 71 70 69 69
20 FT WIND DIR..NE NE NE ENE E N N N N NNW N N
20 FT WIND SPD..3 3 3 1 2 0 0 0 0 1 0 0
20 FT WIND GUST.7 9 6 3 5 3 2 3 1 5 3 5
SURFACE WND DIR.NE NE NE ENE E N N N N NNW N N
SURFACE WND SPD.3 3 3 1 2 0 0 0 0 1 0 0
SURFACE WND GST.7 9 6 3 5 3 2 3 1 5 3 5
MIX HGT (KM)....2.1 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.NE NE NE NE SE SE SE SSW SSW SSW NW NW
TRANSP WIND SPD.8 6 6 6 5 5 5 3 3 3 5 5
TRANS WIND DIR..NE NE NE NE SE SE SE SSW SSW SSW NW NW
TRANS SPD (M/S).4 3 3 3 2 2 2 1 1 1 2 2
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25
FRIDAY
SKY/WEATHER.........SUNNY (10-20 PERCENT).
CHANCE OF PCPN......0 PERCENT.
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........35 PERCENT.
MAX APPARENT TEMP...95.
SURFACE WINDS (MPH).NORTHEAST WINDS UP TO 5 MPH INCREASING TO 6
TO 8 MPH IN THE AFTERNOON.
MIXING HEIGHT (M)...122-2408 METERS AGL.
TRANSPORT WINDS.....NORTH AROUND 5 MPH SHIFTING TO THE NORTHEAST 8
TO 9 MPH IN THE LATE MORNING AND AFTERNOON.
TRANSPORT WINDS M/S.NORTHEAST 2 TO 4 METERS/SECOND.
CEILING (KFT).......25.
WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 7 MPH IN
THE AFTERNOON.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........3 2 2 5 8 5 6 18 15 12 30 13
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............68 68 71 76 84 87 91 92 92 94 92 91
RH..............87 84 84 76 53 46 40 37 38 35 37 38
APARNT TMP (F)..68 68 71 76 86 88 92 93 93 95 93 92
20 FT WIND DIR..N N N N NE NE NE NE NE NE NE NE
20 FT WIND SPD..0 1 1 2 3 5 6 7 7 7 8 7
20 FT WIND GUST.5 5 5 7 7 10 12 13 12 12 12 12
SURFACE WND DIR.N N N N NE NE NE NE NE NE NE NE
SURFACE WND SPD.0 1 1 2 3 5 6 7 7 7 8 7
SURFACE WND GST.5 5 5 7 7 10 12 13 12 12 12 12
MIX HGT (KM)....0.1 0.1 0.1 0.1 0.7 0.7 0.7 2.4 2.4 2.4 2.2 2.2
TRANSP WIND DIR.NW N N N NE NE NE NE NE NE NE NE
TRANSP WIND SPD.5 5 5 5 8 8 8 9 9 9 8 8
TRANS WIND DIR..NW N N N NE NE NE NE NE NE NE NE
TRANS SPD (M/S).2 2 2 2 4 4 4 4 4 4 4 4
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25
FORECASTER...GRIGSBY
REQUESTED BY...DAWSON PRIMES
TYPE OF REQUEST...HAZMAT
.TAG 2521447.1/LIX
.DELDT 09/11/25
.FORMATTERVERSION 2.0.0
.EMAIL SCHROEDER.HOPE@EPA.GOV,SR-LIX.FORECASTERS@NOAA.GOV,DAWSON.PRIMES@TANGIPAHOA.ORG,VTRAVIS@TANGIPAHOA.ORG
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