775  
FNUS74 KLIX 241022  
FWSLIX  
 
SPOT FORECAST FOR ROSELAND EXPLOSION/FIRE...TANGIPAHOA PARISH EMERGENCY MANAGEMENT  
NATIONAL WEATHER SERVICE NEW ORLEANS LA  
522 AM CDT SUN AUG 24 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 WEAK FRONTAL BOUNDARY IS NOW LOCATED SOUTH OF THE INCIDENT SITE  
AND SHOULD KEEP RAIN CHANCES LOW THROUGH THE REMAINDER OF THE WEEKEND  
AND INTO THE FIRST HALF OF THE WORK WEEK. DRIER AIR WILL GRADUALLY  
FILTER INTO THE AREA BEHIND THE FRONT AND SHOULD RESULT IN MINIMUM  
RELATIVE HUMIDITY DROPPING INTO THE 40% TO 50% RANGE DAILY THROUGH  
AT LEAST MIDWEEK. WINDS WILL GENERALLY REMAIN LIGHT WITH AN OVERALL  
NORTHERLY DIRECTION DURING THE DAY AND A MORE VARIABLE DIRECTION AT  
NIGHT THROUGH SUNDAY.  
 
   
TODAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........44 PERCENT.  
MAX APPARENT TEMP...97.  
SURFACE WINDS (MPH).NORTH WINDS AROUND 5 MPH INCREASING TO AROUND 6  
MPH LATE IN THE MORNING.  
MIXING HEIGHT (M)...122-2225 METERS AGL.  
TRANSPORT WINDS.....NORTH 6 TO 9 MPH.  
TRANSPORT WINDS M/S.NORTH 3 TO 4 METERS/SECOND.  
CEILING (KFT).......25.  
WIND (20 FT)........LIGHT WINDS BECOMING NORTH AROUND 5 MPH LATE IN  
THE MORNING.  
 
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........3 4 0 7 9 4 5 7 8 6 6 13  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............72 71 74 80 85 88 90 91 92 93 92 91  
RH..............81 84 82 69 61 55 50 47 47 44 44 45  
APARNT TMP (F)..72 71 74 83 90 93 95 95 97 97 96 94  
20 FT WIND DIR..N N N N N N N N N NNE NNE NNE  
20 FT WIND SPD..3 3 3 5 5 6 6 6 6 6 6 6  
20 FT WIND GUST.9 9 9 10 9 10 10 10 10 10 10 9  
SURFACE WND DIR.N N N N N N N N N NNE NNE NNE  
SURFACE WND SPD.3 3 3 5 5 6 6 6 6 6 6 6  
SURFACE WND GST.9 9 9 10 9 10 10 10 10 10 10 9  
MIX HGT (KM)....0.1 0.2 0.2 0.2 0.8 0.8 0.8 2.0 2.0 2.0 2.2 2.2  
TRANSP WIND DIR.N N N N N N N N N N N N  
TRANSP WIND SPD.7 7 7 7 9 9 9 8 8 8 6 6  
TRANS WIND DIR..N N N N N N N N N N N N  
TRANS SPD (M/S).3 3 3 3 4 4 4 4 4 4 3 3  
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25  
   
TONIGHT
 
 
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MIN TEMPERATURE.....AROUND 71.  
MAX HUMIDITY........81 PERCENT.  
MAX APPARENT TEMP...93.  
SURFACE WINDS (MPH).NORTH WINDS AROUND 5 MPH.  
MIXING HEIGHT (M)...152-2225 METERS AGL.  
TRANSPORT WINDS.....NORTH 5 TO 8 MPH.  
TRANSPORT WINDS M/S.NORTH 2 TO 4 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 (%).........8 12 7 12 7 15 18 13 20 12 15 8  
WEATHER COV.....  
WEATHER TYPE....  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0  
TEMP............89 86 82 80 79 78 77 75 74 73 73 72  
RH..............50 57 63 67 69 69 71 76 79 81 79 81  
APARNT TMP (F)..93 90 85 83 79 78 77 75 74 73 73 72  
20 FT WIND DIR..NNE N N N NNW NNW N N N NNE NNE NNE  
20 FT WIND SPD..5 3 2 2 2 2 2 2 2 3 5 5  
20 FT WIND GUST.9 8 8 8 8 8 8 8 9 10 12 12  
SURFACE WND DIR.NNE N N N NNW NNW N N N NNE NNE NNE  
SURFACE WND SPD.5 3 2 2 2 2 2 2 2 3 5 5  
SURFACE WND GST.9 8 8 8 8 8 8 8 9 10 12 12  
MIX HGT (KM)....2.2 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.N NNW NNW NNW N N N NNE NNE NNE NE NE  
TRANSP WIND SPD.6 5 5 5 6 6 6 7 7 7 8 8  
TRANS WIND DIR..N NNW NNW NNW N N N NNE NNE NNE NE NE  
TRANS SPD (M/S).3 2 2 2 3 3 3 3 3 3 4 4  
CEILING (KFT)...25 25 25 25 25 25 25 25 25 25 25 25  
   
MONDAY
 
 
SKY/WEATHER.........SUNNY (0-10 PERCENT).  
CHANCE OF PCPN......0 PERCENT.  
MAX TEMPERATURE.....AROUND 94.  
MIN HUMIDITY........43 PERCENT.  
MAX APPARENT TEMP...97.  
SURFACE WINDS (MPH).EAST WINDS 6 TO 7 MPH SHIFTING TO THE AROUND 5  
MPH LATE IN THE AFTERNOON.  
MIXING HEIGHT (M)...152-2164 METERS AGL.  
TRANSPORT WINDS.....NORTHEAST 7 TO 12 MPH.  
TRANSPORT WINDS M/S.NORTHEAST 3 TO 5 METERS/SECOND.  
CEILING (KFT).......25.  
WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH BECOMING LIGHT.  
 
TIME (CDT) 6 AM 9 AM NOON 3 PM  
SKY (%).........13 1 5 5  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE  
TSTM COV........  
CHC OF PCPN (%).0 0 0 0  
TEMP............72 80 90 93  
RH..............79 72 50 43  
APARNT TMP (F)..72 83 95 97  
20 FT WIND DIR..NNE NE ENE ENE  
20 FT WIND SPD..6 6 6 6  
20 FT WIND GUST.13 14 12 10  
SURFACE WIND....NNE 6G13 NE 6G14 ENE 6G12 ENE 6G10  
MIX HGT (M).....150 150 640 1710  
TRANSP WIND DIR.NE ENE E ENE  
TRANSP WIND SPD.8 10 12 9  
TRANS WIND DIR..NE ENE E ENE  
TRANS SPD (M/S).4 4 5 4  
CEILING (KFT)...25 25 25 25  
 

 
FORECASTER...SCHLOTZHAUER  
REQUESTED BY...DAWSON PRIMES  
TYPE OF REQUEST...HAZMAT  
.TAG 2520558.0/LIX  
.DELDT 08/24/25  
.FORMATTERVERSION 2.0.0  
.EMAIL DAWSON.PRIMES@TANGIPAHOA.ORG,JCHAMPAGNE@FOREFRONTEM.COM,VTRAVIS@TANGIPAHOA.ORG,TWELLS@FOREFRONTEM.COM,AMARTIN@FOREFRONTEM.COM,SR-LIX.FORECASTERS@NOAA.GOV  
 
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