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

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FOUS54 KSJT 242003
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
303 PM CDT THU JUL 24 2014
TXZ170-251100- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 303 PM CDT THU JUL 24 2014 DATE 07/24/14 FRI 07/25/14 SAT 07/26/14 SUN 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 72 98 72 99 72 TEMP 96 93 84 76 74 72 81 94 98 94 85 77 74 72 81 95 98 95 85 77 74 72 DEWPT 63 63 64 65 66 66 67 63 62 60 61 63 66 68 66 63 62 60 63 65 67 68 MAX/MIN RH 81 30 85 30 87 RH 34 37 52 69 76 81 63 35 31 31 44 63 76 85 59 36 30 31 47 68 79 87 WIND DIR E E SE S S S SW S SE SE SE S S S S S S S S S S S WIND SPD 7 8 4 4 3 3 7 5 7 8 7 8 5 4 7 7 8 10 11 11 10 7 CLOUDS SC SC SC FW FW FW FW FW FW FW FW CL CL CL FW FW FW FW FW FW FW FW CLOUDS(%) 31 30 26 21 23 25 24 24 22 20 11 1 2 4 14 24 21 19 20 21 23 25 POP 12HR 5 5 5 0 0 QPF 12HR 0 0 0 0 0 RAIN SHWRS IS TSTMS IS LAL 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 5 5 4 3 3 4 4 4 5 5 5 4 3 3 3 4 5 5 4 3 3 4 MIX HGT 8 8 3 <1 <1 <1 5 8 9 9 2 <1 <1 <1 5 8 8 8 2 <1 <1 <1 T WIND DIR E E SE S SW SW S SE SE S SE S S S S S S S S S S S T WIND SPD 16 13 8 10 5 4 5 5 8 9 8 11 12 8 9 8 9 11 10 19 18 11 SMOKE DISP VG GD PR PR PR PR PR FR GD GD PR PR PR PR PR FR GD GD PR PR PR PR DATE 07/27 MON 07/28/14 TUE 07/29/14 WED 07/30/14 THU 07/31/14 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 95 73 96 73 95 72 95 72 93 TEMP 92 92 77 73 93 93 77 73 92 92 76 72 92 92 76 72 90 90 DEWPT 61 58 66 68 58 57 61 65 59 59 59 61 56 53 62 64 60 56 MIN/MAX RH 31 84 28 76 30 68 26 76 31 RH 37 32 70 84 32 30 58 76 34 33 56 68 31 27 62 76 38 33 PWIND DIR S S SE S SE S S SE SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 SC POP 12HR 5 5 5 10 10 10 10 10 20 RAIN SHWRS IS IS TSTMS 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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