Fire Weather Point Forecast Matrices
Hamby RAWS
Issued by NWS San Angelo, TX

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710
FOUS54 KSJT 180911
PFWSJT

Fire Weather Point Forecast Matrices
National Weather Service San Angelo TX
411 AM CDT Thu May 18 2017
TXZ128-182215- Hamby RAWS-Callahan TX 32.50N 99.62W Elev. 1900 ft 411 AM CDT Thu May 18 2017 Date Thu 05/18/17 Fri 05/19/17 Sat 05/20/17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CDT 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 Max/Min 87 68 84 62 75 Temp 66 75 82 87 83 75 71 69 68 73 79 83 82 71 68 66 62 68 69 73 74 Dewpt 64 65 67 65 63 64 65 65 66 66 66 66 66 65 64 63 61 58 58 57 57 Min/Max Rh 46 93 55 97 54 Rh 93 71 61 48 51 69 81 87 93 79 64 57 58 81 87 90 97 70 68 57 55 Wind Dir S S S S S S S S S S S S S S S SE E NE NE NE NE Wind Spd 10 13 16 16 13 13 12 10 10 11 14 14 13 10 6 6 6 6 6 8 9 Wind Gust Clouds B1 B1 B1 SC SC SC B1 B1 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 Clouds(%) 69 61 53 44 36 47 57 69 81 74 66 64 61 66 70 73 75 73 70 69 68 Pop 12hr 50 40 40 60 50 Qpf 12hr 0.13 0.04 0.15 0.34 0.34 RAIN SHWRS C C C C C C C C C C C C L L L L C C C C C TSTMS C C C C C C C C C C C C L L L L C C C C C LAL 3 3 3 3 3 3 4 4 3 3 Haines 5 3 4 3 4 4 4 4 4 3 Mix Hgt 4500 6400 3100 600 4700 6700 3200 600 1300 1700 T Wind Dir S S SE S S S S SW N N T Wind Spd 24 23 18 21 24 21 14 13 12 21 Smoke Disp VG VG FR PR GD VG FR PR PR PR Date Sun 05/21/17 Mon 05/22/17 Tue 05/23/17 Wed 05/24/17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 Min/Max 58 79 59 81 62 80 56 79 Temp 63 59 74 77 64 60 76 80 66 63 75 77 61 56 72 77 Dewpt 58 56 56 55 57 56 61 60 62 60 57 55 52 51 50 50 Max/Min Rh 93 44 90 49 97 44 83 36 Rh 84 90 53 47 78 87 60 51 87 90 54 47 72 83 46 39 Pwind Dir NE NE SE S S N N N Wind Char <15 <15 <15 <15 <15 <15 <15 <15 Avg Clouds B1 B1 SC SC SC SC B1 B1 B1 B2 B1 B1 SC SC SC SC Pop 12hr 30 10 10 30 40 30 10 10 $$ Below is a weather element key for this product Day 1 through 3... Max/Min Temp or Min/Max Temp(F).....Maximum/Minimum Air Temperature Temp(F).............................Air Temperature Dewpt(F)............................Dew Point Temperature Min/Max Rh or Max/Min Rh(%).........Maximum/Minimum Humidity Rh(%)...............................Relative Humidity Wind Dir(8 Point Compass)...........20 Ft. Wind Direction WIND DIR DEG(DEGREES)...............20 FT. WIND DIRECTION IN TENS OF DEGREES Relative to Due North. Example: 09 = 90 Degrees = East; 18 = 180 Degrees = South; 27 = 270 Degrees = West; 36 = 360 Degrees = North Wind Spd(mph).......................20 Ft. Wind Speed Wind Gust(mph)......................20 Ft. Wind Gust Wind Chill..........................Wind Chill Temperature Heat Indx...........................Heat Index Clouds(Cat).........................Cloud Cover Category Example: CL = Clear; FW = Few; SC = Scattered; B1 = Mostly Cloudy; B2 = Considerable Clouds; OV = Overcast Clouds(%)...........................Cloud Cover as a Percentage Pop 12hr(%).........................Probability for Accumulating Precipitation Qpf 12hr(in)........................Liquid Equivalent Precipitation Amount Weather... Type... RAIN...........Rain RAIN SHWRS.....Rain Showers TSTMS..........Thunderstorms DRIZZLE........Drizzle SNOW...........Snow SNOWSHWRS......Snow Showers SLEET..........Sleet FLURRIES.......Flurries FRZG RAIN......Freezing Rain FRZG DRZL......Freezing Drizzle Coverage... S..............Slight Chance C..............Chance L..............Likely O..............Occasional D..............Definite AR.............Areas PA.............Patchy Obvis...............................Obstruction to Visibility Type... F..............Fog PF.............Patchy Fog F+.............Dense Fog H..............Haze BS.............Blowing Snow K..............Smoke BD.............Blowing Dust AF.............Volcanic Ashfall LAL(Cat)............................Lightning Activity Level Mix Hgt(Ft Agl).....................Mixing Height T Wind Dir(8 Point Compass).........Transport Wind Direction T Wind Spd(mph).....................Transport Wind Speed ADI (Index).........................Atmospheric Dispersion Index Dispersion..........................LDSI Max LVORI...........................LVORI Sta Pres (Inches Mercury)...........Station Pressure ADI (Index).........................Atmospheric Dispersion Index Ceiling (Ft)........................Ceiling Stability (Cat).....................Pasquill Turner Stability Watch/Warning/Advisory... Example: W = Warning; Y = Advisory; A = Watch In Effect For The Indicated Hour Day 4 Through 7... Max/Min Temp or Min/Max Temp(F).....Maximum/Minimum Air Temperature Temp(F).............................Air Temperature Dewpt(F)............................Dew Point Temperature Rh(%)...............................Relative Humidity Wind Spd(mph).......................20 Ft. Wind Speed Example: <15 = Less Than 15 mpn; 15> = 15 mph or Greater Ave Clouds(Cat).....................Average Cloud Cover Category Pop 12hr(%).........................Probability for Accumulation Precipitation Weather... See Day 1 Through 3 Weather Descriptions

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