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

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302
FOUS54 KSJT 290953
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
453 AM CDT WED JUN 29 2016
TXZ170-292215- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 453 AM CDT WED JUN 29 2016 DATE WED 06/29/16 THU 06/30/16 FRI 07/01/16 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 93 70 94 71 96 TEMP 71 83 90 93 90 81 76 73 70 83 91 93 90 81 77 74 71 84 93 95 92 DEWPT 70 71 67 65 64 67 69 69 68 68 66 65 64 67 69 69 69 68 66 65 64 MIN/MAX RH 38 97 36 95 35 RH 97 67 47 39 41 64 82 93 97 66 45 36 40 60 77 90 95 63 44 35 38 WIND DIR N NE NE E E E SE SE SE SE E SE SE SE SE S S S SE SE SE WIND SPD 3 3 5 8 9 4 3 2 2 3 6 9 10 8 5 3 3 5 8 10 10 CLOUDS SC SC SC SC CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CLOUDS(%) 29 45 43 26 0 15 12 17 14 15 15 16 16 13 10 11 12 11 10 13 16 POP 12HR 10 5 0 0 0 QPF 12HR 0 0 0 0 0 RAIN SHWRS TSTMS LAL 1 1 1 1 1 1 1 1 1 1 HAINES 3 5 5 3 4 5 5 4 3 5 MIX HGT 6300 7600 4300 300 7900 8600 4600 500 7100 8100 T WIND DIR NE E E E SE SE SE S S SE T WIND SPD 5 12 6 3 4 10 12 9 9 14 SMOKE DISP FR GD FR PR PR GD GD PR FR VG DATE SAT 07/02/16 SUN 07/03/16 MON 07/04/16 TUE 07/05/16 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 73 96 75 98 75 99 74 99 TEMP 79 73 93 93 80 75 95 94 81 75 96 95 81 74 96 95 DEWPT 68 70 66 64 70 71 67 63 70 71 67 63 69 70 66 64 MAX/MIN RH RH 74 93 42 37 74 90 43 36 72 90 41 35 72 87 39 34 PWIND DIR S S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW SC FW FW FW SC FW FW FW SC FW POP 12HR 0 0 5 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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