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

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292
FOUS54 KSJT 251943
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
243 PM CDT SAT OCT 25 2014
TXZ170-261015- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 243 PM CDT SAT OCT 25 2014 DATE 10/25/14 SUN 10/26/14 MON 10/27/14 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 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 58 87 58 85 60 TEMP 86 79 67 63 59 58 72 85 87 80 68 63 59 58 70 82 85 78 68 64 61 60 DEWPT 57 55 55 55 55 56 57 54 52 51 52 51 55 57 62 59 57 57 58 58 59 59 MAX/MIN RH 93 30 99 40 96 RH 38 44 64 75 87 93 60 36 30 37 58 66 86 97 75 46 40 48 70 82 93 96 WIND DIR S SE S S S SW S S S S S S S S S S S S S S S N WIND SPD 5 4 3 3 3 3 5 10 10 5 5 5 5 7 10 12 10 9 7 4 3 3 CLOUDS CL CL CL CL CL CL CL CL CL CL FW SC B1 B2 B1 SC FW FW SC SC B1 B2 CLOUDS(%) 5 3 4 5 5 5 5 5 5 5 18 30 51 72 64 27 25 23 30 36 55 73 POP 12HR 0 0 0 5 10 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 4 4 3 3 5 5 5 5 4 3 3 5 5 5 5 5 4 4 4 5 6 6 MIX HGT 3 <1 <1 <1 <1 <1 2 3 5 <1 <1 <1 <1 <1 2 3 4 1 <1 <1 <1 <1 T WIND DIR S SE S SW SW SW SW S S S S S S S S S S S S S S SW T WIND SPD 6 5 5 5 5 5 14 17 16 8 8 10 10 16 21 17 18 18 18 16 11 4 SMOKE DISP PR PR PR PR PR PR PR FR GD PR PR PR PR PR PR FR GD PR PR PR PR PR DATE 10/28 WED 10/29/14 THU 10/30/14 FRI 10/31/14 SAT 11/01/14 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 83 57 77 55 80 53 77 48 73 TEMP 81 76 61 57 75 72 59 55 78 74 57 53 75 70 53 48 71 67 DEWPT 61 58 58 54 55 57 56 54 57 54 53 49 46 43 43 44 45 44 MIN/MAX RH 47 93 48 99 44 90 32 86 37 RH 51 53 89 90 50 60 91 95 48 51 85 86 36 39 70 85 40 43 PWIND DIR NE NE NE SE S NE NE E SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC FW FW FW FW FW POP 12HR 10 20 20 10 10 10 5 5 5 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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