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

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FOUS54 KSJT 142031
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
331 PM CDT TUE OCT 14 2014
TXZ170-151015- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 331 PM CDT TUE OCT 14 2014 DATE 10/14/14 WED 10/15/14 THU 10/16/14 FRI UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 MIN/MAX 43 85 50 89 54 TEMP 78 69 55 49 49 43 58 76 85 76 62 60 56 51 65 81 89 80 66 63 60 54 DEWPT 36 37 38 38 38 38 39 40 40 40 40 39 39 40 41 42 43 43 44 45 46 47 MAX/MIN RH 84 20 68 20 82 RH 22 31 52 64 67 82 49 26 20 27 43 47 53 67 42 25 20 27 45 52 61 77 WIND DIR NW N S SW SW W W W SW S SW SW S SW SW S S S S S SW SW WIND SPD 8 3 1 3 3 3 4 5 5 4 4 4 4 5 8 10 8 5 5 7 5 4 CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW CLOUDS(%) 0 0 0 0 0 0 3 5 5 5 4 3 3 3 3 3 4 4 7 10 10 11 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 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 5 4 4 5 5 4 5 5 5 5 4 4 5 5 5 5 5 5 5 5 5 5 MIX HGT 7 4 <1 <1 <1 <1 2 3 5 3 <1 <1 <1 1 2 2 3 2 <1 <1 <1 <1 T WIND DIR N NW SW SW W W W W SW S SW SW SW SW SW SW SW S SW SW SW W T WIND SPD 17 3 3 5 6 6 5 9 9 5 6 6 6 6 14 17 14 8 6 6 6 4 SMOKE DISP VG PR PR PR PR PR PR PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR DATE 10/17 SAT 10/18/14 SUN 10/19/14 MON 10/20/14 TUE 10/21/14 UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MAX/MIN 87 56 85 60 81 61 83 59 81 TEMP 80 79 65 57 79 79 66 60 77 76 67 61 79 77 66 59 77 75 DEWPT 51 52 52 54 56 56 58 59 58 59 60 60 60 60 60 59 59 58 MIN/MAX RH 30 92 37 98 46 97 46 100 46 RH 36 39 64 91 45 46 75 97 53 57 80 96 53 57 83 99 54 55 PWIND DIR S S S S SE SE SE SE E WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW SC B1 B1 B1 B2 B2 B2 B1 SC B1 B1 SC POP 12HR 0 0 0 5 10 10 20 20 10 RAIN SHWRS IS IS IS IS TSTMS IS IS IS IS $$ 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 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... IS.............ISOLATED SC.............SCATTERED NM.............NUMEROUS O..............OCCASIONAL S..............SLIGHT CHANCE C..............CHANCE L..............LIKELY WD.............WIDESPREAD 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 HAINES(CAT).........................HAINES INDEX 10K WIND DIR(8 POINT COMPASS).......10000 FOOT WIND DIRECTION 10K WIND SPD(MPH)...................10000 FOOT WIND SPEED MIX HGT(THOUSANDS OF FT AGL)........MIXING HEIGHT EXAMPLE: 6 = 6000 FEET; 12 = 12000 FEET; <1 = LESS THAN 1000 FEET T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION T WIND SPD(MPH).....................TRANSPORT WIND SPEED SMOKE DISP(CAT(KT-FT))...................SMOKE DISPERSION CATEGORY EXAMPLE: PR = POOR; FR = FAIR; GD = GOOD; VG = VERY GOOD; EX = EXCELLENT FOSBERG.............................FOSBERG FIRE WEATHER INDEX 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 MPH; 15> = 15 MPH OR GREATER AVE CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION WEATHER... SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS

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