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

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FOUS54 KSJT 252022
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
322 PM CDT SAT JUN 25 2016
TXZ170-261015- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 322 PM CDT SAT JUN 25 2016 DATE 06/25/16 SUN 06/26/16 MON 06/27/16 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 73 92 72 93 72 TEMP 93 89 81 77 74 73 82 88 92 90 81 76 74 72 82 89 93 91 81 77 74 72 DEWPT 69 69 70 71 71 70 70 67 65 66 68 69 69 68 68 62 62 61 65 65 66 66 MAX/MIN RH 90 41 87 35 81 RH 46 52 69 82 90 90 67 50 41 45 66 79 84 87 63 41 36 37 58 67 76 81 WIND DIR S SE SE S S SE S S SE SE SE SW S S S SE SE SE SE SE S SE WIND SPD 11 10 6 6 4 4 6 9 9 9 3 0 1 2 3 4 5 5 3 1 2 3 CLOUDS B2 B2 B2 B2 B2 B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC SC SC FW FW SC CLOUDS(%) 75 71 73 75 75 76 73 69 60 50 50 59 59 48 48 38 38 34 34 20 20 42 POP 12HR 20 20 10 5 10 QPF 12HR 0.02 0.02 0 0 0 RAIN SHWRS S S S S S S S S S C TSTMS S S S S S S S S S C LAL 2 2 2 2 1 1 1 1 1 1 HAINES 4 4 4 5 5 5 5 5 5 5 MIX HGT 2400 300 4500 6100 2500 100 5300 7300 3000 100 T WIND DIR S S S S S S S SE SE SW T WIND SPD 12 4 12 17 8 4 8 10 5 5 SMOKE DISP FR PR GD GD PR PR FR GD PR PR DATE 06/28 WED 06/29/16 THU 06/30/16 FRI 07/01/16 SAT 07/02/16 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 92 72 93 70 95 72 95 73 96 TEMP 88 90 76 72 89 90 75 70 90 92 77 72 91 93 78 73 92 94 DEWPT 65 66 70 70 66 66 69 69 67 65 68 70 66 64 69 69 64 63 MIN/MAX RH RH 47 46 82 94 47 45 82 97 46 41 74 92 44 39 75 89 40 36 PWIND DIR E E E SE SE SE SE S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC B1 B1 SC SC SC SC FW SC SC SC FW SC SC SC SC SC SC POP 12HR 30 10 20 10 5 5 5 5 5 $$ 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 DIR DEG(DEGREES)...............20 FT. WIND DIRECTION IN TENS OF DEGREES RELATIVE TO DUE NORTH. EXAMPLE: 09 = 90 DEGREES = EAST; 18 = 180 DEGREES = SOUTH; 27 = 270 DEGREES = WEST; 36 = 360 DEGREES = NORTH 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... S..............SLIGHT CHANCE C..............CHANCE L..............LIKELY O..............OCCASIONAL 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 MIX HGT(FT AGL).....................MIXING HEIGHT T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION T WIND SPD(MPH).....................TRANSPORT WIND SPEED ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX DISPERSION..........................LDSI MAX LVORI...........................LVORI STA PRES (INCHES MERCURY)...........STATION PRESSURE ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX CEILING (FT)........................CEILING STABILITY (CAT).....................PASQUILL TURNER STABILITY 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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