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

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FOUS54 KSJT 301022 AAA
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
522 AM CDT SAT MAY 30 2015
TXZ170-302215- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 522 AM CDT SAT MAY 30 2015 DATE SAT 05/30/15 SUN 05/31/15 MON 06/01/15 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 MAX/MIN 82 62 80 62 85 TEMP 68 73 79 82 79 70 63 63 62 68 77 80 78 69 63 63 62 70 80 85 82 DEWPT 68 69 67 66 66 66 63 63 62 64 63 61 61 63 62 63 62 66 62 60 62 MIN/MAX RH 58 100 52 100 44 RH 100 88 66 58 65 87100100100 86 63 52 57 81 98100100 89 54 44 51 WIND DIR E NE NE N N N N N NE N NE NE E E SE SW S S SE SE SE WIND SPD 3 2 7 4 7 3 3 3 5 4 5 5 5 3 3 1 2 3 3 3 5 CLOUDS B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 SC SC SC FW SC SC SC SC SC FW CLOUDS(%) 85 84 82 77 71 69 67 70 72 63 53 42 31 27 22 27 31 34 36 31 25 POP 12HR 70 40 20 5 10 QPF 12HR 0.31 0.03 0.04 0 0 RAIN SHWRS NM NM NM NM SC SC SC SC IS IS IS IS TSTMS NM NM NM NM SC SC SC SC IS IS IS IS LAL 4 4 4 4 3 3 3 3 2 2 2 2 1 1 1 1 1 1 1 1 1 HAINES 3 3 3 2 3 3 3 2 3 3 3 3 4 4 3 3 3 4 4 4 4 MIX HGT 1 3 5 4 3 1 <1 <1 <1 3 6 8 6 <1 <1 <1 <1 4 8 8 7 T WIND DIR S S N NE NE NE E N N NE NE N E SE S SW SW SW S S S T WIND SPD 6 2 9 3 8 6 4 2 5 6 6 5 3 4 3 3 3 9 2 2 5 SMOKE DISP PR PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FLASH FLOOD A A SVR TSTORM A DATE TUE 06/02/15 WED 06/03/15 THU 06/04/15 FRI 06/05/15 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MIN/MAX 64 85 66 85 67 85 67 86 TEMP 65 64 81 82 67 66 81 82 68 67 81 82 68 67 82 83 DEWPT 64 63 65 63 63 64 64 63 65 65 65 65 67 67 66 65 MAX/MIN RH 97 50 93 48 94 51 99 50 RH 97 97 57 53 88 93 56 52 91 94 57 56 97 99 58 55 PWIND DIR SE S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW SC SC SC SC SC FW SC SC B1 SC SC SC B1 SC POP 12HR 5 10 5 5 5 5 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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