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

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FOUS54 KSJT 060915
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
415 AM CDT FRI MAY 6 2016
TXZ170-062200- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 415 AM CDT FRI MAY 6 2016 DATE FRI 05/06/16 SAT 05/07/16 SUN 05/08/16 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 86 58 84 61 82 TEMP 54 68 80 85 82 70 64 60 58 70 79 84 81 70 66 62 61 70 77 82 79 DEWPT 52 53 54 51 51 55 53 53 53 57 54 56 56 59 59 61 59 62 62 64 63 MIN/MAX RH 30 83 38 96 55 RH 93 59 41 31 34 60 68 77 83 65 42 38 43 68 80 94 96 77 60 56 57 WIND DIR SE SE SE SE SE SE S S S S S S S SE S S S S S S S WIND SPD 3 5 8 9 10 6 4 4 5 11 13 14 13 12 14 12 12 12 13 14 14 CLOUDS FW FW FW FW FW FW SC B1 SC B1 B1 B1 B1 B2 B1 OV B2 B2 B2 B2 B2 CLOUDS(%) 6 9 8 12 10 12 37 65 50 66 66 60 59 70 69 89 78 81 83 78 73 POP 12HR 0 5 10 10 30 QPF 12HR 0 0 0 0 0.12 RAIN SHWRS C C C C C TSTMS C C C C C LAL 1 1 1 1 1 1 1 1 3 3 HAINES 4 4 5 5 5 5 5 6 6 4 MIX HGT 4600 5700 2700 200 3100 4200 3600 1800 2800 3100 T WIND DIR SE SE SE S S S S S S S T WIND SPD 12 13 8 5 19 21 27 24 21 26 SMOKE DISP FR GD PR PR FR GD GD PR GD GD DATE MON 05/09/16 TUE 05/10/16 WED 05/11/16 THU 05/12/16 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 60 88 59 93 62 89 62 86 TEMP 65 60 83 84 65 59 86 89 68 62 83 85 67 62 81 83 DEWPT 63 60 54 44 48 54 55 58 63 61 65 63 64 61 65 63 MAX/MIN RH RH 94100 37 25 53 83 34 35 84 99 54 48 90 99 57 52 PWIND DIR S SW SW SW S S SE SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B1 B1 FW FW CL FW SC SC FW SC B1 SC FW SC SC POP 12HR 40 20 5 20 20 30 20 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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