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

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487
FOUS54 KSJT 190928
PFWSJT

Fire Weather Point Forecast Matrices
National Weather Service San Angelo TX
328 AM CST Sun Feb 19 2017
TXZ128-192215- Hamby RAWS-Callahan TX 32.50N 99.62W Elev. 1900 ft 328 AM CST Sun Feb 19 2017 Date Sun 02/19/17 Mon 02/20/17 Tue 02/21/17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CST 3hrly 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 Max/Min 71 53 73 46 74 Temp 56 58 66 71 68 61 58 55 53 56 66 73 68 57 54 48 46 50 65 74 69 Dewpt 54 55 56 57 58 55 52 49 45 44 42 41 39 38 38 38 37 37 36 36 35 Min/Max Rh 61 84 30 71 25 Rh 93 90 70 61 70 81 80 80 74 64 42 31 34 49 54 68 71 61 34 25 28 Wind Dir S S S S S S SW SW SW W W W NW W NW NW NW NW N N N Wind Spd 8 10 9 8 5 4 4 3 3 4 6 6 3 3 3 3 4 4 5 4 3 Wind Gust Clouds B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC FW CL CL CL CL CL CL CL CL CL Clouds(%) 67 71 77 82 86 85 84 83 83 64 42 20 1 2 2 2 2 2 2 2 2 Pop 12hr 40 40 10 0 0 Qpf 12hr 0.09 0.02 0 0 0 RAIN SHWRS C C C C C C C C TSTMS C C C C C C C Obvis PF LAL 2 3 3 3 1 1 1 1 1 1 Haines 5 5 5 5 5 6 6 6 5 6 Mix Hgt 1600 2300 700 500 3900 5500 2400 400 2900 4200 T Wind Dir S S S S W W SW W N N T Wind Spd 17 13 6 5 8 9 5 6 10 10 Smoke Disp PR PR PR PR PR GD PR PR PR FR Date Wed 02/22/17 Thu 02/23/17 Fri 02/24/17 Sat 02/25/17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6hrly 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 Min/Max 46 81 52 82 49 65 39 63 Temp 54 46 69 76 61 52 72 76 59 50 60 61 47 39 55 60 Dewpt 36 36 37 39 38 38 35 32 29 27 25 23 26 28 29 31 Max/Min Rh 68 21 59 17 41 21 64 29 Rh 50 68 31 26 42 59 26 20 32 41 26 23 43 64 37 33 Pwind Dir S SW S SW W NW E SE Wind Char <15 <15 <15 <15 <15 <15 <15 <15 Avg Clouds CL CL CL CL CL CL CL FW FW CL CL FW FW FW FW FW Pop 12hr 0 0 0 0 0 0 0 0 $$ 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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