374
FNUS74 KLIX 122002
FWSLIX
SPOT FORECAST FOR INCIDENT ROSELAND EVENT...TANGIPAHOA PARISH EMERGENCY MANAGEMENT
NATIONAL WEATHER SERVICE NEW ORLEANS LA
202 PM CST FRI DEC 12 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
MOIST ONSHORE FLOW WILL LIFT AFTERNOON HUMIDITY VALUES THROUGH
SATURDAY. THIS WILL TRIGGER AN ELEVATED FOG POTENTIAL FOR MUCH OF
THE INLAND AREAS, GENERALLY NORTH AND WEST OF LAKE PONTCHARTRAIN. A
STRONG ARCTIC COLD FRONT WILL BRING VERY DRY, COLD AIR TO THE REGION
ON SUNDAY WITH SOME SHOWERS AND PERHAPS AN ISOLATED THUNDERSTORM
AHEAD OF IT SATURDAY NIGHT. A DAY OF LOWER HUMIDITY IS EXPECTED
MONDAY WITH AFTERNOON RH DOWN TO AROUND 25-35% BEFORE REBOUNDING AS
MOISTENING AND WARMING ONSHORE FLOW RETURNS.
REST OF TODAY
SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 71.
MIN HUMIDITY........84 PERCENT.
MAX APPARENT TEMP...72.
SURFACE WINDS (MPH).SOUTHEAST WINDS AROUND 5 MPH LATE IN THE
AFTERNOON BECOMING LIGHT.
MIXING HEIGHT (M)...122-427 METERS AGL.
TRANSPORT WINDS.....SOUTH 3 TO 6 MPH.
TRANSPORT WINDS M/S.SOUTHEAST 1 TO 3 METERS/SECOND.
CEILING (KFT).......4.5 INCREASING TO 5.8 LATE IN THE AFTERNOON.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH LATE IN THE
AFTERNOON BECOMING LIGHT.
TIME (CST) 3PM 4PM 5PM
SKY (%).........48 50 34
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
CHC OF PCPN (%).10 0 0
TEMP............68 68 65
RH..............84 84 90
APARNT TMP (F)..72 70 67
20 FT WIND DIR..SSE SE SE
20 FT WIND SPD..5 5 2
20 FT WIND GUST.8 7 7
SURFACE WND DIR.SSE SE SE
SURFACE WND SPD.5 5 2
SURFACE WND GST.8 7 7
MIX HGT (KM)....0.4 0.2 0.1
TRANSP WIND DIR.S SSE SE
TRANSP WIND SPD.6 3 6
TRANS WIND DIR..S SSE SE
TRANS SPD (M/S).3 1 3
CEILING (KFT)...4.5 5.8 5.8
TONIGHT
SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING
MOSTLY CLOUDY (65-75 PERCENT). AREAS OF FOG
AFTER 3 AM.
CHANCE OF PCPN......10 PERCENT.
MIN TEMPERATURE.....AROUND 55.
MAX HUMIDITY........100 PERCENT.
MAX APPARENT TEMP...65.
SURFACE WINDS (MPH).LIGHT WINDS.
MIXING HEIGHT (M)...122-152 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 5 TO 6 MPH.
TRANSPORT WINDS M/S.SOUTHEAST 2 TO 3 METERS/SECOND.
CEILING (KFT).......4.5 DECREASING TO 0.4.
WIND (20 FT)........LIGHT WINDS.
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........39 63 71 80 79 77 66 56 67 73 76 83
WEATHER COV..... ARS ARS ARS
WEATHER TYPE.... FOG FOG FOG
TSTM COV........
CHC OF PCPN (%).10 10 10 10 10 10 0 10 10 0 0 0
TEMP............61 60 59 59 59 59 58 57 57 57 56 56
RH..............100 100 100 100 100 96 100 100 100 100 100 100
APARNT TMP (F)..65 63 60 58 57 57 56 55 55 54 54 53
20 FT WIND DIR..ESE E E ENE E E E ENE ENE ENE ENE ENE
20 FT WIND SPD..2 2 1 1 1 1 1 1 1 1 1 1
20 FT WIND GUST.7 6 5 5 5 5 5 5 3 3 3 3
SURFACE WND DIR.ESE E E ENE E E E ENE ENE ENE ENE ENE
SURFACE WND SPD.2 2 1 1 1 1 1 1 1 1 1 1
SURFACE WND GST.7 6 5 5 5 5 5 5 3 3 3 3
MIX HGT (KM)....0.1 0.2 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.SE SE ESE ESE ESE SE SSE SE SE SE ESE ESE
TRANSP WIND SPD.5 6 6 6 6 6 6 6 5 5 6 6
TRANS WIND DIR..SE SE ESE ESE ESE SE SSE SE SE SE ESE ESE
TRANS SPD (M/S).2 3 3 3 3 3 3 3 2 2 3 3
CEILING (KFT)...4.5 4.5 4.5 4.5 4.5 4.5 2.2 2.2 1.3 0.7 0.5 0.4
SATURDAY
SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT) THEN BECOMING
MOSTLY SUNNY (30-40 PERCENT). AREAS OF FOG
EARLY IN THE MORNING, THEN PATCHY FOG LATE IN
THE MORNING. CHANCE OF RAIN SHOWERS AND SLIGHT
CHANCE OF THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......30 PERCENT.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........73 PERCENT.
MAX APPARENT TEMP...72.
SURFACE WINDS (MPH).LIGHT WINDS IN THE MORNING BECOMING SOUTHEAST
AROUND 5 MPH, THEN SHIFTING TO THE SOUTH LATE
IN THE AFTERNOON BECOMING LIGHT.
MIXING HEIGHT (M)...122-762 METERS AGL.
TRANSPORT WINDS.....SOUTHEAST 3 TO 7 MPH SHIFTING TO THE SOUTH 5 TO
6 MPH LATE IN THE MORNING.
TRANSPORT WINDS M/S.SOUTHEAST AROUND 2 METERS/SECOND SHIFTING TO
THE SOUTH 2 TO 3 METERS/SECOND LATE IN THE
MORNING.
CEILING (KFT).......0.4 DECREASING TO 0.3 EARLY IN THE MORNING,
THEN INCREASING TO 0.4 LATE IN THE MORNING
INCREASING TO 0.8 LATE IN THE MORNING
INCREASING TO 1.1 INCREASING TO 1.8 EARLY IN
THE AFTERNOON INCREASING TO 2.7 INCREASING TO
3.5 EARLY IN THE AFTERNOON INCREASING TO 4.5
INCREASING TO 10 LATE IN THE AFTERNOON.
WIND (20 FT)........LIGHT WINDS IN THE MORNING BECOMING SOUTHEAST
AROUND 5 MPH, THEN SHIFTING TO THE SOUTH LATE
IN THE AFTERNOON BECOMING LIGHT. GUSTY AND
ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN
THE AFTERNOON.
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........85 89 69 81 77 69 64 55 45 34 29 43
WEATHER COV.....ARS ARS ARS PTY CHC CHC CHC CHC CHC CHC
WEATHER TYPE....FOG FOG FOG FOG RW RW RW RW RW RW
TSTM COV........ SCH SCH SCH SCH SCH SCH
CHC OF PCPN (%).10 10 10 10 10 10 30 30 30 30 30 30
TEMP............56 57 58 61 64 66 69 72 72 73 72 69
RH..............100 100 100 100 97 93 87 79 79 73 76 84
APARNT TMP (F)..53 56 58 61 64 67 70 71 71 72 70 67
20 FT WIND DIR..ENE ENE ENE E E ESE ESE SSE S S S SSE
20 FT WIND SPD..1 1 1 2 2 3 5 5 5 5 5 2
20 FT WIND GUST.5 5 6 6 7 8 8 9 9 8 7 7
SURFACE WND DIR.ENE ENE ENE E E ESE ESE SSE S S S SSE
SURFACE WND SPD.1 1 1 2 2 3 5 5 5 5 5 2
SURFACE WND GST.5 5 6 6 7 8 8 9 9 8 7 7
MIX HGT (KM)....0.1 0.1 0.1 0.2 0.3 0.4 0.6 0.6 0.7 0.8 0.5 0.2
TRANSP WIND DIR.ESE ESE ESE SE SSE S S S SSW SSW SSW S
TRANSP WIND SPD.5 3 5 6 7 6 6 6 6 6 6 5
TRANS WIND DIR..ESE ESE ESE SE SSE S S S SSW SSW SSW S
TRANS SPD (M/S).2 1 2 3 3 3 3 3 3 3 3 2
CEILING (KFT)...0.4 0.3 0.3 0.4 0.8 1.1 1.8 2.7 3.5 4.5 11 10
FORECASTER...SCHLOTZHAUER
REQUESTED BY...DAWSON
TYPE OF REQUEST...HAZMAT
.TAG 2527316.3/LIX
.DELDT 12/12/25
.FORMATTERVERSION 2.0.0
.EMAIL DAWSON.PRIMES@TANGIPAHOA.ORG,VTRAVIS@TANGIPAHOA.ORG,SR-LIX.FORECASTERS@NOAA.GOV,SSRESPONSE@RESPONSEGROUPINC.COM
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