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

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592
FOUS54 KSJT 282000
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
300 PM CDT THU APR 28 2016
TXZ170-291115- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 300 PM CDT THU APR 28 2016 DATE 04/28/16 FRI 04/29/16 SAT 04/30/16 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 67 85 57 86 58 TEMP 86 84 75 72 69 67 74 82 85 82 69 64 60 57 69 80 85 82 70 64 60 58 DEWPT 62 65 67 67 68 66 69 68 67 62 61 60 56 51 49 45 46 46 50 54 54 54 MAX/MIN RH 99 50 88 25 85 RH 45 53 76 83 97 98 82 64 54 50 75 87 88 82 49 29 26 28 50 70 81 85 WIND DIR SE SE SE SE S S S SW SW SW S S SW W NW NW N E E E E NE WIND SPD 11 10 5 8 8 8 8 9 8 5 4 3 3 3 5 6 5 4 4 4 4 4 CLOUDS SC B1 B2 B1 B2 B2 B2 B1 B1 SC SC B1 SC SC SC FW FW FW FW FW FW FW CLOUDS(%) 41 51 70 66 77 77 79 63 60 45 50 55 50 45 35 25 19 14 10 7 15 23 POP 12HR 30 40 20 10 5 QPF 12HR 0.02 0.17 0.02 0 0 RAIN SHWRS C C C C C C C C S S TSTMS C C C C C C C C S S LAL 1 3 3 3 3 2 1 1 1 1 1 HAINES 4 5 6 6 6 6 6 6 6 6 6 MIX HGT 4700 4200 1400 4900 5700 4800 300 9400 10600 8900 300 T WIND DIR SE S S SW SW SW SW W W SE E T WIND SPD 19 19 16 12 10 3 1 5 4 2 2 SMOKE DISP VG FR PR GD VG FR PR GD VG PR PR DATE 05/01 MON 05/02/16 TUE 05/03/16 WED 05/04/16 THU 05/05/16 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 80 56 69 53 72 52 79 56 83 TEMP 76 77 61 56 66 67 56 53 68 69 56 52 74 76 61 56 78 80 DEWPT 57 59 57 53 54 55 54 50 53 52 52 50 52 51 53 53 54 56 MIN/MAX RH RH 53 55 87 91 66 64 92 89 59 55 85 93 46 42 76 90 44 43 PWIND DIR E NE NE N N NE N S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW SC B1 B1 B2 B2 B2 B2 SC SC SC SC SC FW FW FW FW FW POP 12HR 10 20 40 30 10 10 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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