Spot Forecast
Issued by NWS Houston/Galveston, TX

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197
FNUS74 KHGX 180930
FWSHGX

Spot Forecast for BITH Big Sandy South Rx FY25...NPS
National Weather Service Houston/Galveston TX
430 AM CDT Fri Apr 18 2025

If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
Mostly cloudy skies this morning will become partly cloudy skies by
this afternoon. Breezy southerly winds persist with gusts to near
20 mph, and cannot out rule some isolated higher gusts this afternoon.
Afternoon minimum relative humidity values will be near 45% with
mixing heights rising above 3500ft. Breezy southerly winds continue
on Saturday, but with mostly cloudy skies persisting through the day
and increased humidity.

.REST OF TODAY...
TIME (CDT)      5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CDY CDY CDY MC  MC  MC  PC  MCR PC  PC  PC  PC  PC
Sky (%).........90  92  88  75  69  63  37  18  31  31  39  38  34
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0   0
Temp............69  69  70  70  72  76  79  83  85  86  87  86  85
RH..............93  93  90  90  87  76  67  57  51  48  46  48  50
Aparnt tmp (F)..69  69  70  70  72  76  79  85  87  87  88  87  86
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..8   7   7   7   8   9   10  10  12  12  12  12  12
20 FT wind gust.19  19  18  19  19  19  19  19  20  20  20  20  20
Mix hgt (kft)...0.9 0.7 0.7 1.3 2.1 2.6 3.0 3.5 3.7 3.8 3.7 3.5 3.3
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.17  15  15  16  21  22  22  22  21  22  22  22  23
Ceiling (kft)...1.5 1.5 1.3 1.3 1.7 3.7 9.9 21  24  25  21  21  20
Visibility (sm).10  10  9   7   10  10  10  10  10  10  10  10  10

.TONIGHT...
TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky cover.......PC  PC  PC  MC  MC  MC  MC  CDY CDY MC  MC  CDY
Sky (%).........40  36  45  72  84  87  87  88  89  82  78  90
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
Temp............83  80  77  75  74  73  72  71  71  71  71  71
RH..............55  62  69  79  82  84  90  93  90  90  90  87
Aparnt tmp (F)..85  82  77  75  74  73  72  71  71  71  71  71
20 FT wind dir..S   S   S   S   S   S   SE  SE  SE  SE  SE  SE
20 FT wind spd..10  9   9   8   8   8   7   7   7   7   7   7
20 FT wind gust.22  20  20  20  20  18  18  21  21  20  18  16
Mix hgt (kft)...3.0 2.1 1.2 0.9 0.9 0.8 0.8 0.9 1.1 1.1 1.3 1.3
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.23  20  17  16  15  15  15  15  16  16  16  15
Ceiling (kft)...19  17  10  3.9 2.4 2.0 1.7 1.3 1.3 1.3 1.3 1.4
Visibility (sm).10  10  10  10  10  10  10  10  10  10  10  9

.SATURDAY...
TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky cover.......CDY CDY MC  MC  MC  MC  MC  MC  MC  MC  MC  MC
Sky (%).........93  94  84  75  84  80  82  83  83  82  82  83
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   10  10  10  10  10
Temp............71  71  71  72  76  79  81  83  84  85  85  84
RH..............87  90  90  87  76  67  61  59  56  55  55  57
Aparnt tmp (F)..71  71  71  72  76  79  84  86  87  88  88  87
20 FT wind dir..SE  SE  SE  S   S   S   S   S   S   S   S   S
20 FT wind spd..6   7   6   7   8   9   10  12  12  12  12  10
20 FT wind gust.16  16  17  18  20  21  22  23  23  23  23  23
Mix hgt (kft)...1.2 1.3 1.6 2.1 2.7 3.3 3.9 4.5 4.7 4.6 4.2 3.4
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.15  15  15  18  21  23  24  24  24  24  23  21
Ceiling (kft)...1.4 1.5
Visibility (sm).9   9

$$
Forecaster...Fowler
Requested by...Conor McInnerney
Type of request...PRESCRIBED
.TAG 2510351.3/HGX
.DELDT 04/18/25
.FormatterVersion 2.0.0
.EMAIL conor_mcinnerney@nps.gov