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

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379
FOUS54 KSJT 252137
PFWSJT

Fire Weather Point Forecast Matrices
National Weather Service San Angelo TX
337 PM CST Sat Feb 25 2017
TXZ170-261015- Mason RAWS-Mason TX 30.74N 99.19W Elev. 1463 ft 337 PM CST Sat Feb 25 2017 Date 02/25/17 Sun 02/26/17 Mon 02/27/17 Tue 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 42 70 53 81 56 Temp 58 48 46 43 42 49 64 70 68 59 56 54 53 60 75 81 78 65 61 57 56 Dewpt 29 33 34 35 37 43 50 53 55 54 54 55 55 57 50 42 47 52 54 56 56 Max/Min Rh 89 55 100 25 100 Rh 33 56 63 73 82 80 60 55 63 83 93100100 90 41 25 33 63 78 96100 Wind Dir SE SE SE SE S S S S S S S SW SW SW W SW S S S S S Wind Spd 5 5 5 5 5 9 10 10 8 3 3 3 3 5 6 8 4 5 5 8 6 Wind Gust Clouds CL CL CL CL SC B2 B2 B1 B1 B1 B1 B2 B2 B1 SC FW FW SC SC B1 B1 Clouds(%) 0 0 0 5 36 78 84 69 59 54 69 74 72 57 46 25 25 39 45 57 62 Pop 12hr 0 10 20 10 5 Qpf 12hr 0 0 0.02 0 0 RAIN SHWRS S S S S TSTMS S S S S LAL 1 1 1 1 2 2 1 1 1 1 Haines 5 5 3 4 6 6 5 5 6 6 Mix Hgt 1500 200 2400 4300 1800 200 3300 5100 2200 300 T Wind Dir SE SE S S S SW W SW S S T Wind Spd 6 5 14 17 5 5 10 11 6 9 Smoke Disp PR PR PR GD PR PR PR GD PR PR Date 02/28/17 Wed 03/01/17 Thu 03/02/17 Fri 03/03/17 Sat 03/04/17 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 82 53 69 37 63 38 66 44 66 Temp 76 78 59 53 65 65 43 37 57 60 43 38 60 63 48 44 61 64 Dewpt 58 54 56 43 32 28 27 25 21 24 29 31 29 30 37 41 47 47 Min/Max Rh 39 90 22 62 21 76 26 93 50 Rh 54 43 90 69 29 25 53 61 24 25 57 76 31 29 65 89 60 54 Pwind Dir SW SW NW N NE SE SE SE S Wind Char <15 <15 <15 <15 <15 <15 <15 <15 <15 Avg Clouds B1 SC SC SC FW FW FW FW FW FW FW SC SC SC B1 B1 B2 B2 Pop 12hr 10 10 5 0 5 5 10 10 20 $$ 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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