605
FNUS74 KBRO 121006
FWSBRO

Spot Forecast for Laguna NWR Unit 3 South...USFWS
National Weather Service Brownsville TX
506 AM CDT Wed Mar 12 2025

Forecast is based on ignition time of 0600 CDT on March 12.
If conditions become unrepresentative, contact the National Weather
Service.

.DISCUSSION...Southerly winds are expected to continue for the
next couple of days, with wind speeds and gusts increasing each
afternoon. Minimum relative humidity values are expected to fall
to around 55% this afternoon and to around 45% Thursday.

.TODAY...

Sky/weather.........Sunny (15-25 percent).
Max temperature.....Around 84.
Min humidity........56 percent.
Eye level winds.....South winds 6 to 10 mph.
Wind (20 ft)........South winds 9 to 16 mph.
Mixing height.......2200 ft AGL.
Transport winds.....South 17 to 20 mph.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........39  38  35  13  34  36  17  14  7   4   6   3
Weather cov.....
Weather type....
Tstm cov........
Temp............64  64  64  67  71  75  79  82  84  84  84  82
RH..............95  96  96  92  82  73  65  60  57  56  57  61
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   S   S
20 FT wind spd..10  10  10  10  13  14  15  16  17  17  17  17
20 FT wind gust.18  18  18  20  20  22  23  23  24  23  23  23
Eye lvl wnd dir.S   S   S   S   S   S   S   S   S   S   S   S
Eye lvl wnd spd.6   6   6   6   8   8   9   10  10  10  10  10
Eye lvl wnd gst.11  11  11  12  12  13  14  14  14  14  14  14
Mix hgt (kft)...0.7 0.4 0.6 0.9 1.1 1.5 1.8 2.2 2.0 1.9 1.8 1.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.18  17  17  20  20  20  20  20  18  17  18  20

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent) then becoming
                    mostly cloudy (65-75 percent) then becoming
                    partly cloudy (45-55 percent). Patchy fog
                    overnight.
Min temperature.....Around 63.
Max humidity........100 percent.
Eye level winds.....Southwest winds 5 to 10 mph shifting to the
                    south up to 4 mph overnight.
Wind (20 ft)........South winds around 15 mph shifting to the
                    southwest 5 to 6 mph.
Mixing height.......400 ft AGL.
Transport winds.....South 12 to 21 mph shifting to the southwest 10
                    to 13 mph after 3 am.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........0   6   10  19  27  28  49  71  83  70  55  48
Weather cov.....                                PTY PTY PTY PTY
Weather type....                                FOG FOG FOG FOG
Tstm cov........
Temp............80  77  71  70  69  68  67  67  67  66  66  64
RH..............64  71  86  91  94  97  98  99  97  100 100 100
20 FT wind dir..S   S   S   S   S   S   S   SW  SW  SW  S   S
20 FT wind spd..16  14  14  13  12  10  9   8   7   6   6   5
20 FT wind gust.23  22  21  21  20  20  16  15  13  12  9   8
Eye lvl wnd dir.S   S   S   S   S   S   S   SW  SW  SW  S   S
Eye lvl wnd spd.10  8   8   8   7   6   5   5   4   4   4   3
Eye lvl wnd gst.14  13  13  13  12  12  10  9   8   7   5   5
Mix hgt (kft)...1.3 1.0 1.0 1.0 1.1 0.9 0.7 0.6 0.5 0.5 0.4 0.5
Transp wind dir.S   S   S   S   S   S   S   S   SW  SW  S   S
Transp wind spd.21  20  20  20  21  20  17  15  12  10  13  10

.THURSDAY...

Sky/weather.........Partly sunny (55-65 percent) then becoming
                    sunny (10-20 percent). Patchy fog early in the
                    morning.
Max temperature.....Around 85.
Min humidity........45 percent.
Eye level winds.....Light winds becoming southeast up to 7 mph in
                    the afternoon.
Wind (20 ft)........Southeast winds 5 to 10 mph early in the
                    morning becoming light, then becoming southeast
                    5 to 10 mph in the afternoon.
Mixing height.......1200 ft AGL.
Transport winds.....Southwest 5 to 9 mph shifting to the southeast
                    5 to 14 mph in the afternoon.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........56  67  66  57  61  19  15  10  11  11  12  14
Weather cov.....PTY PTY
Weather type....FOG FOG
Tstm cov........
Temp............65  65  63  66  69  73  78  82  84  85  84  82
RH..............100 100 100 100 91  79  63  51  46  45  46  52
20 FT wind dir..S   SW  SW  SW  SW  SW  S   SE  SE  SE  SE  SE
20 FT wind spd..3   3   3   3   3   3   3   5   7   8   10  12
20 FT wind gust.8   7   7   7   6   6   6   7   9   12  14  16
Eye lvl wnd dir.S   SW  SW  SW  SW  SW  S   SE  SE  SE  SE  SE
Eye lvl wnd spd.2   2   2   2   2   2   2   3   4   5   6   7
Eye lvl wnd gst.5   4   4   4   4   4   4   4   5   7   8   10
Mix hgt (kft)...0.5 0.5 0.5 0.6 0.6 0.8 1.0 1.2 1.1 1.0 0.9 0.7
Transp wind dir.SW  SW  SW  SW  W   W   S   SE  SE  E   E   SE
Transp wind spd.9   8   7   6   5   5   5   5   7   10  13  14

$$
Forecaster...Ellzey
Requested by...Don DeVriendt
Type of request...PRESCRIBED
.TAG 2505934.1/BRO
.DELDT 03/12/25
.FormatterVersion 2.0.0
.EMAIL donald_devriendt@fws.gov