343
FNUS74 KBRO 081126
FWSBRO
SPOT FORECAST FOR MARINOFF PILE BURN...US WILDLAND FIRE SERVICE
NATIONAL WEATHER SERVICE BROWNSVILLE TX
626 AM CDT THU OCT 8 2026
FORECAST IS BASED ON IGNITION TIME OF 0647 CDT ON OCTOBER 08.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP INTO
THE UPPER 50S THIS AFTERNOON. NORTH WINDS THIS MORNING WILL BECOME
NORTHEAST GUSTING OCCASIONALLY TO 20 MPH IN THE AFTERNOON. THE CHANCE
OF SHOWERS AND THUNDERSTORMS INCREASES INTO THIS AFTERNOON, BRINGING
ERRATIC WINDS NEAR ANY SHOWER OR THUNDERSTORM, AND A CHANCE OF CLOUD
TO GROUND LIGHTNING.
TODAY
SKY/WEATHER.........SUNNY (20-30 PERCENT). SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS EARLY IN THE AFTERNOON.
CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN
THE AFTERNOON, THEN SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........58 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS UP TO 6 MPH SHIFTING TO THE
AROUND 5 MPH WITH GUSTS TO AROUND 12 MPH LATE
IN THE AFTERNOON.
WIND (20 FT)........NORTH WINDS AROUND 6 MPH SHIFTING TO THE
NORTHEAST AROUND 8 MPH WITH GUSTS TO AROUND 20
MPH LATE IN THE AFTERNOON. GUSTY AND ERRATIC
WINDS EXPECTED NEAR THUNDERSTORMS IN THE
AFTERNOON.
MIXING HEIGHT.......6500 FT AGL.
TRANSPORT WINDS.....NORTHEAST 9 TO 14 MPH.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 12 19 18 23 40 28 24 40 39 20 14
WEATHER COV..... SCH CHC CHC CHC SCH SCH
WEATHER TYPE.... RW RW RW RW RW RW
TSTM COV........ SCH CHC CHC CHC SCH SCH
TEMP............76 76 76 79 82 85 87 88 89 89 88 88
RH..............90 90 90 88 79 72 65 62 60 58 59 60
20 FT WIND DIR..N N N N N N N NE NE NE NE NE
20 FT WIND SPD..7 7 8 8 9 10 10 10 9 9 9 9
20 FT WIND GUST.15 16 16 16 18 18 18 18 18 18 20 18
EYE LVL WND DIR.N N N N N N N NE NE NE NE NE
EYE LVL WND SPD.4 4 5 5 5 6 6 6 5 5 5 5
EYE LVL WND GST.9 10 10 10 11 11 11 11 11 11 12 11
MIX HGT (KFT)...0.1 0.1 1.3 2.9 4.3 5.1 5.5 5.8 6.2 6.5 6.2 5.4
TRANSP WIND DIR.N N N N N NE NE NE NE NE NE NE
TRANSP WIND SPD.9 9 10 12 13 13 13 14 13 13 13 14
TONIGHT
SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT).
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........89 PERCENT.
EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 5 MPH EARLY IN THE
EVENING BECOMING LIGHT, THEN BECOMING NORTHWEST
AROUND 3 MPH AFTER 3 AM.
WIND (20 FT)........NORTHEAST WINDS AROUND 7 MPH EARLY IN THE
EVENING BECOMING LIGHT, THEN BECOMING NORTHWEST
AROUND 5 MPH AFTER 3 AM.
MIXING HEIGHT.......0 FT AGL.
TRANSPORT WINDS.....NORTHEAST 7 TO 16 MPH.
TIME (CDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY (%).........17 6 3 3 2 0 0 0 0 1 0 2
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............87 84 81 80 78 77 77 76 75 74 73 73
RH..............62 67 73 76 80 81 81 83 84 86 87 87
20 FT WIND DIR..NE NE NE N N N N N NW NW NW NW
20 FT WIND SPD..8 8 3 0 0 0 1 2 3 3 5 5
20 FT WIND GUST.18 18 15 12 9 8 7 7 8 10 12 12
EYE LVL WND DIR.NE NE NE N N N N N NW NW NW NW
EYE LVL WND SPD.5 5 2 0 0 0 1 1 2 2 3 3
EYE LVL WND GST.11 11 9 7 5 5 4 4 5 6 7 7
MIX HGT (KFT)...4.2 3.0 1.8 0.8 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
TRANSP WIND DIR.NE NE E E NE NE N N N N N N
TRANSP WIND SPD.15 16 13 12 8 8 7 7 7 7 8 8
FRIDAY
SKY/WEATHER.........SUNNY (0-10 PERCENT).
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........44 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS UP TO 6 MPH INCREASING TO AROUND 6
MPH LATE IN THE AFTERNOON.
WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH SHIFTING TO THE
NORTH AROUND 9 MPH LATE IN THE AFTERNOON.
MIXING HEIGHT.......7600 FT AGL.
TRANSPORT WINDS.....NORTH 8 TO 15 MPH.
TIME (CDT) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY (%).........8 10 14 11 3 7 7 8 7 5 11 0
WEATHER COV.....
WEATHER TYPE....
TSTM COV........
TEMP............73 73 73 76 81 84 87 89 90 91 91 90
RH..............89 87 86 82 71 63 55 50 47 44 44 45
20 FT WIND DIR..NW NW NW NW N N N N N N N N
20 FT WIND SPD..5 6 6 6 7 9 10 10 10 10 10 10
20 FT WIND GUST.13 13 13 12 14 16 18 18 18 18 20 18
EYE LVL WND DIR.NW NW NW NW N N N N N N N N
EYE LVL WND SPD.3 4 4 4 4 5 6 6 6 6 6 6
EYE LVL WND GST.8 8 8 7 8 10 11 11 11 11 12 11
MIX HGT (KFT)...0.1 0.1 1.0 2.3 3.5 4.6 5.5 6.2 7.1 7.6 7.2 5.1
TRANSP WIND DIR.N N N N N N N N N N N NE
TRANSP WIND SPD.8 8 9 12 14 15 15 14 12 13 14 14
FORECASTER...CACERES
REQUESTED BY...REYNALDO NAVARRO
TYPE OF REQUEST...PRESCRIBED
.TAG 2623306.2/BRO
.DELDT 10/08/26
.FORMATTERVERSION 2.0.0
.EMAIL REYNALDO_NAVARRO@FWS.GOV
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