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

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880
FOUS54 KSJT 252133
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
333 PM CST TUE NOV 25 2014
TXZ170-261015- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 333 PM CST TUE NOV 25 2014 DATE 11/25/14 WED 11/26/14 THU 11/27/14 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 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 35 67 33 67 39 TEMP 55 47 41 36 36 47 62 67 59 47 40 35 34 46 62 66 60 51 45 40 40 DEWPT 29 29 28 28 27 28 29 30 31 32 33 33 31 34 35 34 35 35 35 37 39 MAX/MIN RH 72 25 96 29 97 RH 36 49 60 71 69 47 28 26 35 56 75 94 88 63 37 30 40 55 69 89 94 WIND DIR W W W W W W W NW NW NE NE NE NE SE SE S S SE S S S WIND SPD 4 5 5 5 5 4 3 3 2 2 0 0 0 1 4 7 3 1 2 2 3 CLOUDS CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL FW SC CLOUDS(%) 5 5 5 5 5 5 5 5 0 0 0 0 0 0 1 1 3 3 4 8 35 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 HAINES 5 5 5 4 4 5 5 5 5 5 5 5 5 5 5 5 4 4 4 4 5 MIX HGT <1 <1 <1 <1 <1 <1 2 3 <1 <1 <1 <1 <1 <1 2 3 <1 <1 <1 <1 <1 T WIND DIR W SW SW SW SW W NW NW NE NE E NE E E SE S SE SE S S S T WIND SPD 4 6 8 11 12 10 11 5 5 5 3 4 3 11 12 11 8 5 5 8 14 SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR DATE 11/28/14 SAT 11/29/14 SUN 11/30/14 MON 12/01/14 TUE 12/02/14 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 72 45 75 48 75 50 68 50 69 TEMP 67 65 51 46 71 68 54 49 71 69 56 51 66 62 53 50 67 66 DEWPT 43 46 47 46 52 52 53 49 54 52 51 50 48 48 48 48 54 52 MIN/MAX RH 37 100 45 100 46 99 49 96 58 RH 41 50 87 100 52 57 97 100 56 56 84 95 53 61 83 93 64 62 PWIND DIR S S S S S SW NE E S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC CL FW FW FW FW FW FW FW FW FW SC B1 SC SC B2 B1 B1 POP 12HR 0 0 5 5 5 5 10 10 10 $$ 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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