Suppression Forecast
Issued by NWS Austin/San Antonio, TX

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FNUS74 KEWX 202205
FWSEWX

Spot Forecast for Onion Creek...Hays County EMC
National Weather Service Austin/San Antonio TX
505 PM CDT Thu Jul 20 2017

Forecast is based on request time of 1800 CDT on July 20.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
No precipitation is expected through the evening hours with temperatures
decreasing slowly and relative humidity values on the rise. For the next
3 to 5 hours winds will be out of the southeast between 5 and 10 mph,
becoming more southerly tonight between 3 and 7 mph. Relative
humidity values will be greatest during the early morning hours
approaching 90 percent. For Friday south and southeast winds between
5 and 10 mph will continue with afternoon RH values in the mid 30
percent range.

.TONIGHT...

Sky/weather.........Partly cloudy (30-40 percent).
CWR.................0 percent.
LAL.................No Tstms.
Min temperature.....Around 74.
Max humidity........93 percent.
Eye level winds.....South winds 5 to 8 mph until early morning
                    becoming light.
Wind (20 ft)........South winds 5 to 8 mph until early morning
                    becoming light.
Mixing height.......6800-8600 ft AGL decreasing to 500-1300 ft AGL.
Transport winds.....South 8 to 15 mph.
Haines Index........3 to 5 or very low potential for large plume
                    dominated fire growth to or moderate potential
                    for large plume dominated fire growth.

TIME (CDT)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........36  43  39  35  31  28  25  22  24  27  29  30
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............96  94  91  88  85  82  81  80  79  78  76  75
RH..............39  41  47  54  61  67  72  74  77  82  87  90
20 FT wind dir..SE  SE  SE  SE  S   S   S   S   S   S   S   S
20 FT wind spd..7   7   7   6   6   6   6   6   5   5   4   3
20 FT wind gust.10  10  10  10                          5   5
Eye lvl wnd dir.SE  SE  SE  SE  S   S   S   S   S   S   S   S
Eye lvl wnd spd.4   4   4   4   4   4   4   4   3   3   2   2
Eye lvl wnd gst.10  10  10  10                          5   5
Mix hgt (kft)...8.6 8.3 6.8 3.8 2.4 2.0 1.3 1.0 0.9 0.7 0.6 0.5
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.9   10  12  13  14  15  15  15  14  12  10  8
Haines index....5   5   5   4   4   4   3   3   3   3   3   3

.FRIDAY...

Sky/weather.........Mostly sunny (20-30 percent).
CWR.................0 percent.
LAL.................No Tstms.
Max temperature.....Around 97.
Min humidity........36 percent.
Eye level winds.....Light winds becoming southeast 5 to 6 mph in
                    the afternoon.
Wind (20 ft)........Light winds becoming southeast 5 to 6 mph in
                    the afternoon.
Mixing height.......300-1100 ft AGL increasing to 9300-9500 ft AGL.
Transport winds.....Southeast 5 to 8 mph.
Haines Index........3 to 4 or very low potential for large plume
                    dominated fire growth to or low potential for
                    large plume dominated fire growth.

TIME (CDT)      6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........30  31  29  28  26  25  23  22  25  27  30  32
Weather cov.....
Weather type....
Tstm cov........
CWR.............0   0   0   0   0   0   0   0   0   0   0   0
LAL.............1   1   1   1   1   1   1   1   1   1   1   1
Temp............74  74  77  81  85  88  91  93  95  96  97  97
RH..............93  93  85  74  65  57  49  44  40  38  36  36
20 FT wind dir..S   S   S   S   S   S   S   S   S   S   SE  SE
20 FT wind spd..3   3   3   4   4   4   5   5   5   6   6   6
20 FT wind gust.5   5   5   5   5   5
Eye lvl wnd dir.S   S   S   S   S   S   S   S   S   S   SE  SE
Eye lvl wnd spd.2   2   2   2   2   2   3   3   3   4   4   4
Eye lvl wnd gst.5   5   5   5   5   5
Mix hgt (kft)...0.4 0.3 1.1 2.7 3.5 4.8 7.5 8.8 9.0 9.3 9.5 9.3
Transp wind dir.S   S   S   S   SE  SE  E   E   E   SE  SE  SE
Transp wind spd.6   5   5   5   5   6   6   7   7   7   7   8
Haines index....3   3   3   3   4   4   4   4   4   4   4   4

$$
Forecaster...03
Requested by...Kharley Smith
Type of request...WILDFIRE
.TAG 1713079.0/EWX
.EMAIL kharley.smith@co.hays.tx.us


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