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

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710
FOUS54 KSJT 280923
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
423 AM CDT FRI AUG 28 2015
TXZ170-282215- MASON RAWS-MASON TX 30.74N 99.19W ELEV. 1463 FT 423 AM CDT FRI AUG 28 2015 DATE FRI 08/28/15 SAT 08/29/15 SUN 08/30/15 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 99 71 97 71 94 TEMP 69 82 94 98 95 85 77 74 71 82 92 96 93 84 77 74 71 81 90 93 91 DEWPT 59 57 55 53 51 54 56 58 60 61 57 55 55 58 58 62 62 61 59 57 56 MIN/MAX RH 22 69 26 73 30 RH 70 43 27 22 23 35 49 58 69 49 31 26 28 41 53 66 73 51 35 30 31 WIND DIR SW S S S S S S S S SW S SE SE S S S S S S SE SE WIND SPD 4 4 5 6 8 6 5 5 5 8 5 6 8 6 6 8 4 4 5 6 9 CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC CLOUDS(%) 16 16 16 16 15 15 28 28 33 33 37 37 33 33 31 31 36 36 23 23 36 POP 12HR 0 0 0 5 5 QPF 12HR 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 HAINES 4 6 6 5 5 5 5 5 5 5 MIX HGT 5700 10100 4900 700 4300 8400 4900 800 9300 11500 T WIND DIR SW S S S S SE S S S SE T WIND SPD 12 6 8 14 9 10 6 14 9 5 DATE MON 08/31/15 TUE 09/01/15 WED 09/02/15 THU 09/03/15 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 70 94 71 94 71 93 71 94 TEMP 76 70 90 91 76 71 90 91 76 71 89 90 76 71 90 91 DEWPT 59 65 61 57 62 67 61 57 64 67 63 59 64 67 62 59 MAX/MIN RH RH 57 84 38 32 62 86 38 32 66 87 42 35 68 87 39 34 PWIND DIR S S S S S S S SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW SC FW SC FW SC FW FW FW SC FW SC FW FW FW POP 12HR 5 0 0 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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