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

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032
FOUS54 KSJT 231045
PFWSJT

Fire Weather Point Forecast Matrices
National Weather Service San Angelo TX
545 AM CDT Thu Mar 23 2017
TXZ170-232215- Mason RAWS-Mason TX 30.74N 99.19W Elev. 1463 ft 545 AM CDT Thu Mar 23 2017 Date Thu 03/23/17 Fri 03/24/17 Sat 03/25/17 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 81 60 81 49 81 Temp 59 65 75 81 78 69 65 63 60 66 76 81 76 62 56 53 49 57 73 81 77 Dewpt 58 56 55 53 51 53 56 56 57 49 35 29 30 30 31 35 35 35 36 33 36 Min/Max Rh 36 90 15 58 18 Rh 96 73 50 38 39 57 73 78 90 54 22 15 18 30 38 50 58 43 26 18 23 Wind Dir S S S S S SE S S SW W W W W W NW NW NW N NW W S Wind Spd 14 19 24 27 25 24 21 14 12 10 14 16 11 5 5 3 4 5 4 3 3 Wind Gust Clouds B1 B1 FW FW FW SC B1 B2 B2 SC FW CL CL CL CL CL CL CL CL CL CL Clouds(%) 61 51 19 19 22 27 61 72 85 33 7 1 2 1 1 0 0 0 0 0 2 Pop 12hr 5 30 40 0 0 Qpf 12hr 0 0.06 0.02 0 0 RAIN SHWRS S S C C C S TSTMS S S C C C S LAL 1 1 2 3 2 1 1 1 1 1 Haines 6 3 3 3 5 6 6 6 5 5 Mix Hgt 4300 5400 3500 2500 7900 8600 1400 200 4300 7100 T Wind Dir S S S S SW W W NW NW W T Wind Spd 33 41 41 29 26 28 10 5 11 8 Smoke Disp VG EX VG FR EX EX PR PR PR FR Date Sun 03/26/17 Mon 03/27/17 Tue 03/28/17 Wed 03/29/17 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 56 87 58 82 57 79 57 78 Temp 62 56 79 83 65 58 76 78 63 57 73 76 62 57 73 75 Dewpt 42 52 53 48 53 52 50 46 50 54 55 53 57 55 56 50 Max/Min Rh 86 28 80 29 90 42 93 40 Rh 48 86 41 30 65 80 40 32 62 90 53 45 84 93 55 41 Pwind Dir S S SW NW E SE SE S Wind Char <15 <15 <15 <15 <15 <15 <15 <15 Avg Clouds CL FW SC FW SC SC FW FW FW FW SC SC SC SC B1 B1 Pop 12hr 0 10 20 5 5 20 30 40 $$ 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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