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

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976
FOUS54 KSJT 261024
PFWSJT

Fire Weather Point Forecast Matrices
National Weather Service San Angelo TX
524 AM CDT Wed Apr 26 2017
TXZ170-262215- Mason RAWS-Mason TX 30.74N 99.19W Elev. 1463 ft 524 AM CDT Wed Apr 26 2017 Date Wed 04/26/17 Thu 04/27/17 Fri 04/28/17 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 80 48 88 67 91 Temp 64 73 80 78 74 60 55 51 49 66 79 87 85 75 73 70 67 77 87 91 89 Dewpt 57 49 39 42 40 43 43 43 42 42 43 44 47 53 58 60 61 61 58 56 60 Min/Max Rh 23 80 22 81 31 Rh 78 43 23 28 29 53 64 74 77 42 28 22 27 46 59 71 81 58 38 31 38 Wind Dir W NW NW NW N N E S S S S S S S S S S SW SW S S Wind Spd 6 13 17 17 12 4 3 3 5 11 16 16 12 10 11 10 9 10 8 9 10 Wind Gust Clouds SC FW FW FW CL CL CL FW FW FW CL CL CL CL FW SC SC SC SC SC SC Clouds(%) 35 11 11 11 3 0 1 6 12 7 2 1 4 5 18 40 44 30 37 29 41 Pop 12hr 0 0 0 0 10 Qpf 12hr 0 0 0 0 0 RAIN SHWRS S TSTMS S LAL 1 1 1 1 1 1 1 1 1 1 Haines 5 5 5 6 6 6 5 6 5 5 Mix Hgt 6600 6800 2300 200 3600 5000 2100 500 5000 6500 T Wind Dir W NW N SE S S S SW SW SW T Wind Spd 25 25 9 4 19 29 21 14 12 13 Smoke Disp EX EX PR PR GD VG FR PR FR GD Date Sat 04/29/17 Sun 04/30/17 Mon 05/01/17 Tue 05/02/17 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 69 87 53 71 46 81 55 84 Temp 73 69 80 84 63 53 63 69 52 47 72 79 60 55 78 82 Dewpt 67 67 59 51 50 44 36 32 35 35 36 37 46 47 51 52 Max/Min Rh 93 30 71 25 65 21 74 33 Rh 81 93 49 32 62 71 36 25 52 63 27 22 60 74 39 35 Pwind Dir S SW NW NW E S S S Wind Char <15 <15 <15 <15 <15 <15 <15 <15 Avg Clouds SC B1 B1 B1 B1 B2 SC FW CL CL CL CL CL CL FW FW Pop 12hr 20 30 40 5 0 0 0 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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