Spot Forecast
Issued by NWS Brownsville, TX

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FNUS74 KBRO 140959
FWSBRO

Spot Forecast for Hargill Reservoir...TFS
National Weather Service Brownsville TX
459 AM CDT Fri Mar 14 2025

Forecast is based on forecast start time of 0500 CDT on March 14.
If conditions become unrepresentative, contact the National Weather
Service.

...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH
SATURDAY AFTERNOON...

.DISCUSSION...Southerly winds will prevail through the morning
hours before shifting to the southwest and west as a dry line
advances east. This will result in a very warm afternoon with a
high temperature around 100 degrees and afternoon relative
humidity values around 10-20 percent. Wind speeds will be below 15
MPH this afternoon, although occasional higher gusts cannot be
ruled out. The dry line retreats west later this evening and winds
will shift back to the southeast overnight, allowing for relative
humidity to recover to around 70-80 percent. A dry cold front
will arrive Saturday morning, ushering in a very dry air mass. A
Fire Weather Watch is currently in effect from 9 AM to 6 PM on
Saturday, and will likely be upgraded to a Red Flag Warning due
to the combination of cured fuels, afternoon relative humidity
between 10-20 percent, and 20-foot winds near or upwards of 15
MPH.


.REST OF TONIGHT...

Sky/weather.........Mostly cloudy (65-75 percent).
Min temperature.....Around 67.
Max humidity........96 percent.
Eye level winds.....South winds around 9 mph.
Wind (20 ft)........South winds around 14 mph.
Mixing height.......600 ft AGL.
Transport winds.....South around 21 mph.

TIME (CDT)      5AM
Sky (%).........69
Weather cov.....
Weather type....
Tstm cov........
Temp............68
RH..............96
20 FT wind dir..S
20 FT wind spd..15
20 FT wind gust.25
Eye lvl wnd dir.S
Eye lvl wnd spd.9
Eye lvl wnd gst.15
Mix hgt (kft)...0.6
Transp wind dir.S
Transp wind spd.21

.TODAY...

Sky/weather.........Partly sunny (55-65 percent) then becoming
                    sunny (10-20 percent).
Max temperature.....Around 102.
Min humidity........12 percent.
Eye level winds.....Southwest winds 6 to 8 mph with gusts to around
                    14 mph shifting to the west 5 to 6 mph in the
                    afternoon.
Wind (20 ft)........South winds around 10 mph with gusts to around
                    24 mph shifting to the west 8 to 9 mph in the
                    afternoon.
Mixing height.......8100 ft AGL.
Transport winds.....South 13 to 20 mph shifting to the west 10 to
                    16 mph late in the morning.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........68  53  50  18  23  10  2   4   6   3   3   2
Weather cov.....
Weather type....
Tstm cov........
Temp............68  69  69  72  77  83  91  95  99  101 101 101
RH..............93  92  92  84  72  54  37  26  19  14  12  12
20 FT wind dir..S   S   S   S   S   S   SW  W   W   W   W   W
20 FT wind spd..12  13  13  12  12  10  10  10  9   9   10  9
20 FT wind gust.24  23  22  20  18  18  16  16  16  16  16  14
Eye lvl wnd dir.S   S   S   S   S   S   SW  W   W   W   W   W
Eye lvl wnd spd.7   8   8   7   7   6   6   6   5   5   6   5
Eye lvl wnd gst.14  14  13  12  11  11  10  10  10  10  10  8
Mix hgt (kft)...0.5 0.5 0.5 0.6 0.6 1.2 1.7 2.3 4.2 6.1 8.1 5.5
Transp wind dir.S   S   S   S   SW  W   W   W   W   W   W   W
Transp wind spd.20  18  16  16  13  12  10  15  16  15  13  10

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....Around 63.
Max humidity........83 percent.
Eye level winds.....South winds 5 to 10 mph shifting to the
                    southwest 7 to 8 mph with gusts to around 14
                    mph after 3 am.
Wind (20 ft)........Southeast winds around 8 mph shifting to the
                    south 10 to 14 mph overnight.
Mixing height.......100 ft AGL.
Transport winds.....West around 9 mph shifting to the southeast 10
                    to 16 mph early in the evening, then shifting
                    to the south 17 to 22 mph in the late evening
                    and overnight shifting to the southwest around
                    15 mph early in the morning.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........1   3   2   3   3   2   2   9   17  17  11  11
Weather cov.....
Weather type....
Tstm cov........
Temp............100 95  88  82  78  75  73  71  70  69  67  66
RH..............12  17  29  47  59  66  72  80  82  82  83  80
20 FT wind dir..SE  SE  SE  SE  S   S   S   S   S   S   S   SW
20 FT wind spd..9   10  9   10  13  14  15  16  15  14  13  12
20 FT wind gust.13  13  16  20  22  24  26  26  25  24  24  23
Eye lvl wnd dir.SE  SE  SE  SE  S   S   S   S   S   S   S   SW
Eye lvl wnd spd.5   6   5   6   8   8   9   10  9   8   8   7
Eye lvl wnd gst.8   8   10  12  13  14  16  16  15  14  14  14
Mix hgt (kft)...2.8 0.2 0.2 0.2 0.2 0.2 0.1 0.1 0.2 0.4 0.5 0.3
Transp wind dir.W   E   SE  SE  S   S   S   S   S   S   S   SW
Transp wind spd.9   10  16  20  17  17  18  21  22  21  18  15

.SATURDAY...

Sky/weather.........Sunny (0-10 percent).
Max temperature.....Around 90.
Min humidity........14 percent.
Eye level winds.....Northwest winds 7 to 8 mph with gusts to around
                    14 mph shifting to the north 8 to 11 mph with
                    gusts to around 18 mph in the late morning and
                    afternoon.
Wind (20 ft)........North winds 10 to 17 mph with gusts to around
                    30 mph.
Mixing height.......5100 ft AGL.
Transport winds.....Northwest 16 to 22 mph shifting to the north 18
                    to 26 mph in the late morning and early
                    afternoon, then shifting to the northwest 14 to
                    16 mph late in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........4   7   5   0   2   3   4   4   4   3   3   3
Weather cov.....
Weather type....
Tstm cov........
Temp............66  64  66  68  74  78  84  86  88  89  90  89
RH..............70  57  45  38  29  24  18  16  14  14  14  14
20 FT wind dir..W   NW  NW  N   N   N   N   N   N   N   N   N
20 FT wind spd..12  12  13  16  17  18  17  16  16  16  15  14
20 FT wind gust.22  22  24  28  30  29  26  25  23  21  20  18
Eye lvl wnd dir.W   NW  NW  N   N   N   N   N   N   N   N   N
Eye lvl wnd spd.7   7   8   10  10  11  10  10  10  10  9   8
Eye lvl wnd gst.13  13  14  17  18  17  16  15  14  13  12  11
Mix hgt (kft)...0.2 0.1 0.7 1.3 1.9 2.7 3.4 4.2 4.5 4.8 5.1 3.5
Transp wind dir.NW  NW  N   N   N   N   N   NW  NW  NW  NW  N
Transp wind spd.16  22  22  25  26  25  24  23  21  18  16  14

$$
Forecaster...Garcia
Requested by...Dispatcher
Type of request...WILDFIRE
.TAG 2506496.0/BRO
.DELDT 03/14/25
.FormatterVersion 2.0.0
.EMAIL csdispatch@tfs.tamu.edu