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

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FOUS54 KSJT 200932
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FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
432 AM CDT MON JUN 20 2016
TXZ170-202215- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 432 AM CDT MON JUN 20 2016 DATE MON 06/20/16 TUE 06/21/16 WED 06/22/16 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 91 71 95 72 95 TEMP 70 80 87 91 89 80 76 73 71 82 90 95 92 82 77 74 72 83 91 95 92 DEWPT 68 69 66 65 65 69 69 69 68 69 65 64 64 67 69 71 70 70 67 65 65 MIN/MAX RH 42 89 36 93 37 RH 93 69 49 42 45 68 81 86 89 65 44 36 40 62 75 89 93 65 45 37 41 WIND DIR S S S SE SE SE S S SW SW S SE SE SE S S S S S S S WIND SPD 3 4 4 5 6 3 4 3 3 4 5 6 9 4 4 3 3 8 9 11 11 CLOUDS SC SC SC SC SC SC SC SC FW FW FW FW FW FW CL SC SC FW FW FW FW CLOUDS(%) 41 39 37 40 42 40 38 29 20 23 19 24 17 6 3 29 38 16 10 12 7 POP 12HR 20 5 5 0 5 QPF 12HR 0.01 0 0 0 0 RAIN SHWRS S S TSTMS S S LAL 1 2 1 1 1 1 1 1 1 1 HAINES 3 5 3 4 4 5 5 4 4 4 MIX HGT 5200 7600 4200 300 5700 8300 4300 300 4500 6600 T WIND DIR S S SE SW SW S S S S S T WIND SPD 10 10 9 6 11 11 8 8 14 18 SMOKE DISP FR GD PR PR FR GD FR PR GD VG DATE THU 06/23/16 FRI 06/24/16 SAT 06/25/16 SUN 06/26/16 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 71 95 70 95 72 94 72 93 TEMP 76 71 90 92 76 70 90 92 77 72 90 92 77 72 89 91 DEWPT 69 68 64 61 68 68 64 63 67 70 67 64 70 70 65 64 MAX/MIN RH RH 79 89 42 37 77 93 43 38 72 93 47 41 78 94 45 41 PWIND DIR S S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS CL FW FW CL CL FW FW FW FW FW SC SC SC SC SC SC POP 12HR 0 0 0 0 5 5 5 20 $$ 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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