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

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FOUS54 KSJT 302004
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
304 PM CDT THU JUN 30 2016
TXZ170-011030- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 304 PM CDT THU JUN 30 2016 DATE 06/30/16 FRI 07/01/16 SAT 07/02/16 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 70 95 73 98 75 TEMP 94 91 80 75 72 70 82 91 95 93 82 78 75 73 85 94 98 95 85 80 77 75 DEWPT 64 64 67 68 69 69 69 65 63 63 66 68 69 69 70 67 64 65 66 69 70 70 MAX/MIN RH 97 35 89 33 84 RH 37 41 63 78 89 97 65 42 35 37 59 73 83 89 62 41 33 37 53 69 79 84 WIND DIR E SE SE SE S S S SE SE SE SE S SE S S S S S S S S S WIND SPD 9 8 3 3 2 3 5 6 10 10 5 8 2 3 6 8 10 10 8 8 10 9 CLOUDS SC SC FW CL FW FW FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW SC CLOUDS(%) 40 32 8 2 13 24 23 22 21 20 17 14 21 27 27 27 25 23 16 10 19 28 POP 12HR 10 5 0 0 0 QPF 12HR 0 0 0 0 0 TSTMS S S LAL 1 1 1 1 1 1 1 1 1 1 HAINES 4 3 5 5 5 5 5 5 4 5 MIX HGT 4400 300 7900 8000 4500 800 5200 6800 3600 1100 T WIND DIR SE S S SE SE S S S S S T WIND SPD 6 4 11 14 11 13 16 21 14 17 SMOKE DISP PR PR GD VG FR PR GD VG FR PR DATE 07/03 MON 07/04/16 TUE 07/05/16 WED 07/06/16 THU 07/07/16 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 98 76 98 74 97 75 98 74 98 TEMP 94 96 81 76 94 95 79 74 93 95 80 75 94 95 79 74 94 95 DEWPT 68 66 70 71 66 63 70 71 65 63 71 71 66 64 71 72 63 62 MIN/MAX RH RH 43 38 69 86 40 35 73 89 40 35 74 87 40 36 76 92 36 34 PWIND DIR S S S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC SC SC FW FW FW SC FW FW FW SC FW FW FW SC FW POP 12HR 5 5 5 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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