858
FNUS74 KHGX 271055
FWSHGX
SPOT FORECAST FOR SULFURIC ACID RELEASE...HARRIS COUNTY FIRE MARSHALS OFFICE
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
455 AM CST SAT DEC 27 2025
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
SOUTHERLY TO SOUTH-SOUTHWESTERLY WINDS GENERALLY IN THE 5-10 MPH
RANGE WILL PREVAIL THROUGHOUT THE DAY WITH THE POTENTIAL FOR A FEW
GUSTS NEAR 15 MPH IN THE AFTERNOON. SOUTHERLY WINDS ON SUNDAY
WILL BE A BIT MORE ELEVATED IN THE 10-15 MPH RANGE WITH GUSTS NEAR
20 MPH IN THE AFTERNOON. THE ENVIRONMENT WILL CONTINUE TO FAVOR
OVERNIGHT AND MORNING FOG, PARTICULARLY NEAR THE BAYS AND COASTAL
WATERS. A STRONG COLD ARRIVES LATE SUNDAY NIGHT BRINGING MUCH
DRIER AIR AND A PERIOD OF STRONG NORTHERLY WINDS THAT PREVAIL
THROUGH MONDAY.
REST OF TONIGHT
TIME (CST) 5AM
SKY COVER.......MC
SKY (%).........72
WEATHER COV.....PTY
WEATHER TYPE....FOG
TSTM COV........
CWR.............0
CHC OF PCPN (%).0
TEMP............69
RH..............93
APARNT TMP (F)..69
SURFACE WND DIR.S
SURFACE WND SPD.6
SURFACE WND GST.12
MIX HGT (KFT)...0.8
MIX HGT (KM)....0.2
TRANSP WIND DIR.SW
TRANSP WIND SPD.12
TRANS WIND DIR..SW
TRANS SPD (M/S).5
CEILING (KFT)...1.7
VISIBILITY (SM).7
TODAY
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC CDY CDY MC MC MC MC MC MC PC PC PC
SKY (%).........64 92 92 82 84 84 73 68 55 50 45 45
WEATHER COV.....PTY PTY ARS PTY
WEATHER TYPE....FOG FOG FOG FOG
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............69 69 69 70 72 75 77 78 79 79 77 76
RH..............94 93 93 93 87 79 74 69 67 64 69 71
APARNT TMP (F)..69 69 69 70 72 75 77 78 79 79 77 76
SURFACE WND DIR.S S S S S S S S S S S S
SURFACE WND SPD.6 6 6 7 9 10 10 10 10 12 12 12
SURFACE WND GST.10 10 12 15 15 15 15 16 15 16 16 16
MIX HGT (KFT)...1.1 1.2 1.4 1.6 2.2 2.6 2.9 3.0 3.0 3.0 2.4 1.4
MIX HGT (KM)....0.3 0.4 0.4 0.5 0.7 0.8 0.9 0.9 0.9 0.9 0.7 0.4
TRANSP WIND DIR.SW S S S S S S S S S S S
TRANSP WIND SPD.10 12 12 13 15 14 15 15 15 15 15 15
TRANS WIND DIR..SW S S S S S S S S S S S
TRANS SPD (M/S).4 5 5 6 7 6 7 7 7 7 7 7
CEILING (KFT)...6.2 0.3 0.5 0.9 1.3 1.8 3.9 5.6 13 19 16 16
VISIBILITY (SM).6 5 5 7 9 10 10 10 10 10 10 10
TONIGHT
TIME (CST) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
SKY COVER.......PC PC PC MC MC MC MC PC PC MC PC MC
SKY (%).........41 49 49 51 51 53 52 48 50 52 46 54
WEATHER COV..... PTY PTY PTY PTY PTY PTY
WEATHER TYPE.... FOG FOG FOG FOG FOG FOG
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............75 73 71 71 70 69 69 69 69 68 68 67
RH..............74 79 84 81 84 90 90 90 90 93 93 97
APARNT TMP (F)..75 73 71 71 70 69 69 69 69 68 68 67
SURFACE WND DIR.S S S S S S S S S S S S
SURFACE WND SPD.10 10 9 8 8 7 7 8 8 7 7 6
SURFACE WND GST.16 15 15 13 13 13 13 13 13 13 13 12
MIX HGT (KFT)...0.8 0.9 0.9 0.8 0.8 0.7 0.8 0.9 1.1 1.2 1.1 1.1
MIX HGT (KM)....0.2 0.3 0.3 0.2 0.2 0.2 0.2 0.3 0.3 0.4 0.3 0.3
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.14 15 14 13 13 14 15 14 13 13 14 13
TRANS WIND DIR..S S S S S S S S S S S S
TRANS SPD (M/S).6 7 6 6 6 6 7 6 6 6 6 6
CEILING (KFT)...22 22 20 9.4 5.2 1.4 1.3 1.0 0.8 1.0 0.9 0.9
VISIBILITY (SM).10 10 9 9 9 9 8 8 5 4 3 3
SUNDAY
TIME (CST) 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
SKY COVER.......MC MC MC MC MC MC MC MC MC MC MC MC
SKY (%).........54 55 53 52 53 55 57 56 53 52 53 57
WEATHER COV.....PTY PTY ARS PTY
WEATHER TYPE....FOG FOG FOG FOG
TSTM COV........
CWR.............0 0 0 0 0 0 0 0 0 0 0 0
CHC OF PCPN (%).0 0 0 0 0 0 0 0 0 0 0 0
TEMP............68 66 67 70 73 76 78 79 80 80 79 78
RH..............93 100 96 90 82 75 69 66 64 62 66 70
APARNT TMP (F)..68 66 67 70 73 76 78 82 82 82 81 78
SURFACE WND DIR.S S S S S S S S S S S S
SURFACE WND SPD.6 7 8 9 10 12 13 14 14 13 12 10
SURFACE WND GST.12 12 13 14 15 16 17 18 18 17 16 14
MIX HGT (KFT)...0.9 1.3 1.6 1.7 2.0 2.7 3.5 4.2 4.6 4.4 3.4 2.0
MIX HGT (KM)....0.3 0.4 0.5 0.5 0.6 0.8 1.1 1.3 1.4 1.3 1.0 0.6
TRANSP WIND DIR.S S S S S S S S S S S S
TRANSP WIND SPD.10 12 14 16 18 18 21 21 21 20 17 14
TRANS WIND DIR..S S S S S S S S S S S S
TRANS SPD (M/S).4 5 6 7 8 8 9 9 9 9 8 6
CEILING (KFT)...0.8 0.8 0.7 0.7 2.6 4.4 6.3 12 17 22 23 24
VISIBILITY (SM).3 2.7 2.0 3 7 7 10 9 9 9 9 9
FORECASTER...BATISTE
REQUESTED BY...ROYCE MCCAMY
TYPE OF REQUEST...HAZMAT
.TAG 2528066.0/HGX
.DELDT 12/27/25
.FORMATTERVERSION 2.0.0
.EMAIL ROYCE.MCCAMY@FMO.HCTX.NET
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