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

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940
FOUS54 KSJT 232043
PFWSJT

Fire Weather Point Forecast Matrices
National Weather Service San Angelo TX
243 PM CST Thu Feb 23 2017
TXZ170-241015- Mason RAWS-Mason TX 30.74N 99.19W Elev. 1463 ft 243 PM CST Thu Feb 23 2017 Date 02/23/17 Fri 02/24/17 Sat 02/25/17 Sun UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 CST 3hrly 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 Min/Max 45 74 36 62 41 Temp 90 85 60 51 48 46 53 70 74 69 48 41 38 36 43 58 62 59 48 44 42 41 Dewpt 38 42 43 41 37 35 33 25 23 23 27 26 27 27 29 29 30 31 34 34 37 39 Max/Min Rh 71 15 72 30 100 Rh 16 22 53 68 65 65 46 18 15 17 44 55 64 69 57 33 30 34 58 68 82 92 Wind Dir SW SW SW W W W W NW NW NW N N NE NE NE E SE E SE SE SE S Wind Spd 12 5 3 3 3 5 9 10 10 8 5 3 4 4 9 9 8 8 5 6 5 8 Wind Gust Clouds CL CL CL CL CL CL CL CL CL CL CL FW FW FW CL CL CL FW FW FW FW SC Clouds(%) 2 0 0 0 1 2 1 0 1 1 1 6 10 6 2 0 2 6 7 10 16 31 Pop 12hr 0 0 0 0 0 Qpf 12hr 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 Haines 6 6 5 5 5 5 5 4 4 4 Mix Hgt 200 100 3500 4700 1600 200 3300 3800 2300 700 T Wind Dir SW W NW NW NE E E SE SE S T Wind Spd 6 6 13 11 4 4 12 11 8 9 Smoke Disp PR PR FR FR PR PR PR PR PR PR Date 02/26/17 Mon 02/27/17 Tue 02/28/17 Wed 03/01/17 Thu 03/02/17 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6hrly 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 Max/Min 71 50 77 50 80 49 69 41 66 Temp 67 68 53 50 73 73 54 50 76 76 53 49 66 65 45 41 62 63 Dewpt 50 54 53 48 40 39 48 49 45 38 42 33 29 28 30 30 23 27 Min/Max Rh 49 100 25 96 24 66 21 65 21 Rh 54 61100 93 30 29 80 96 33 25 66 54 25 25 55 65 22 25 Pwind Dir S SW W S SW W N NE E Wind Char <15 <15 <15 <15 <15 <15 <15 <15 <15 Avg Clouds SC B1 B1 SC SC FW FW SC B1 SC SC SC SC SC SC SC SC SC Pop 12hr 5 20 5 5 5 5 5 5 5 $$ 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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