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

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FOUS54 KSJT 010913
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
313 AM CST THU DEC 1 2016
TXZ170-012230- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 313 AM CST THU DEC 1 2016 DATE THU 12/01/16 FRI 12/02/16 SAT 12/03/16 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MAX/MIN 66 46 59 46 52 TEMP 38 34 40 59 66 58 53 50 48 46 48 56 59 54 50 49 47 46 47 51 52 48 DEWPT 30 30 32 31 34 38 40 42 47 46 48 52 53 53 50 48 47 46 47 47 49 47 MIN/MAX RH 30 100 80 100 86 RH 73 85 73 34 30 47 61 74 96100100 86 80 96100 96100100100 86 89 96 WIND DIR S SE SE S S SE SE SE SE SE E E E E E E NE NE NE NE NE NE WIND SPD 3 3 3 10 10 4 3 4 3 4 6 10 9 9 8 8 8 8 9 10 9 8 CLOUDS FW CL CL CL CL CL FW B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV CLOUDS(%) 6 1 3 2 4 1 19 57 81 81 86 91 93 93 93 93 92 99 98100100 97 POP 12HR 0 5 60 70 80 QPF 12HR 0 0 0.14 0.31 0.74 RAIN D D D D L RAIN SHWRS L L L L L L L L LAL 1 1 1 1 1 1 1 1 1 1 HAINES 5 4 2 3 3 3 3 3 3 3 MIX HGT 3600 4500 400 1000 1000 1300 900 800 900 900 T WIND DIR S S SE SE SE E E E NE NE T WIND SPD 10 11 4 9 10 11 10 10 13 11 SMOKE DISP FR GD PR PR PR FR PR PR PR PR DATE SUN 12/04/16 MON 12/05/16 TUE 12/06/16 WED 12/07/16 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 MIN/MAX 43 53 44 62 45 67 47 59 TEMP 45 43 51 49 46 44 58 55 49 45 62 59 51 47 56 48 DEWPT 44 42 44 44 42 42 47 46 44 43 47 49 48 47 43 34 MAX/MIN RH 100 71 100 58 96 50 100 45 RH 96 96 77 83 86 93 67 72 83 93 58 69 89 100 62 58 PWIND DIR N N N W SW SW S NW WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS OV OV OV OV OV B2 B2 B1 FW FW FW FW FW SC B1 FW POP 12HR 70 50 60 30 5 5 5 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 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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  • Page last modified: 30-Sep-2016 6:36 PM UTC
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