Suppression Forecast
Issued by NWS Dallas/Fort Worth, TX

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FNUS74 KFWD 171425
FWSFWD

Spot Forecast for Ranger Hill Pile Burn...TFS Merkel
National Weather Service Fort Worth TX
825 AM CST Fri Feb 17 2017

Forecast is based on ignition time of 0900 CST on February 17.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
An unseasonably warm day is expected with breezy south winds. From
late morning through the afternoon hours, some gusts will exceed
20 mph. With temperatures into the 70s this afternoon, the
relative humidity will fall below 35 percent. The winds will
subside around sunset, but south winds will prevail through the
night. Rain chances return Sunday.

.TODAY...

Sky/weather.........Mostly sunny (20-30 percent).
Max temperature.....Around 73.
Min humidity........33 percent.
Wind (20 ft)........South winds 5 to 13 mph.
Mixing height.......200-300 ft AGL increasing to 8700 ft AGL.
Transport winds.....South 17 to 26 mph.
Haines Index........4 to 5 or moderate potential for large plume
                    dominated fire growth.

TIME (CST)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM
Sky (%).........24  30  35  40  37  35  32  29  27
Weather cov.....
Weather type....
Tstm cov........
Temp............52  56  59  63  67  71  73  73  71
RH..............63  57  53  48  42  35  33  33  36
20 FT wind dir..S   S   S   S   S   S   S   S   S
20 FT wind spd..9   10  12  13  13  13  13  12  10
20 FT wind gust.10  15  20  20  20  20  20  20  15
Mix hgt (kft)...0.3 M   M   2.5 M   M   8.7 M   M
Transp wind dir.S   S   S   S   S   S   S   S   S
Transp wind spd.20  22  24  25  26  26  25  24  23
Haines index....4   4   4   5   5   5   5   5   5

.TONIGHT...

Sky/weather.........Mostly clear (20-30 percent).
Min temperature.....Around 47.
Max humidity........83 percent.
Wind (20 ft)........South winds 6 to 9 mph.
Mixing height.......5800 ft AGL decreasing to 100-400 ft AGL in the
                    late evening and early morning.
Transport winds.....South 14 to 22 mph decreasing to 10 to 12 mph
                    early in the morning.
Haines Index........4 to 5 or moderate potential for large plume
                    dominated fire growth.

TIME (CST)      6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).........24  24  23  23  23  22  22  22  21  21  21  21
Weather cov.....
Weather type....
Tstm cov........
Temp............68  65  61  58  57  55  54  53  51  50  49  48
RH..............40  46  58  67  67  72  71  74  80  83  83  80
20 FT wind dir..S   S   S   SE  S   S   S   S   S   S   S   S
20 FT wind spd..9   8   8   8   8   8   8   8   8   7   6   6
20 FT wind gust.10  10  10  10  10  10  10  10  10  10
Mix hgt (kft)...5.8 M   M   0.4 M   M   0.1 M   M   0.1 M   M
Transp wind dir.S   S   S   S   S   S   S   S   S   S   S   S
Transp wind spd.22  21  21  20  20  20  18  17  15  14  12  10
Haines index....5   5   5   5   5   5   4   4   4   4   4   4

$$
Forecaster...Huckaby
Requested by...M. Peters
Type of request...PRESCRIBED
.TAG 1702363.0/FWD
.EMAIL mpeters@tfs.tamu.edu



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