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

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116
FOUS54 KSJT 061012
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
412 AM CST TUE DEC 6 2016
TXZ128-062230- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 412 AM CST TUE DEC 6 2016 DATE TUE 12/06/16 WED 12/07/16 THU 12/08/16 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 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 47 37 55 26 35 TEMP 40 42 44 47 46 43 41 39 37 41 47 53 51 45 39 33 27 27 31 34 33 DEWPT 38 38 35 35 35 34 33 34 35 38 41 41 41 37 30 25 22 17 14 13 13 MIN/MAX RH 63 96 59 81 40 RH 92 86 70 63 65 70 73 82 92 89 79 64 68 73 70 72 81 65 49 41 43 WIND DIR N N N NE NE E E SE S S SW NW N N N N N N N N N WIND SPD 12 14 12 8 4 3 3 4 4 5 6 5 10 14 17 17 16 13 12 10 8 CLOUDS B1 B2 B2 B2 B2 B1 B1 B1 B1 B2 B2 B1 B2 B2 B2 B1 B2 SC B1 FW SC CLOUDS(%) 52 81 72 72 70 61 53 55 67 73 70 64 71 70 76 62 75 40 55 24 27 POP 12HR 5 5 5 10 5 QPF 12HR 0 0 0 0 0 DRIZZLE O O O OBVIS PF PF PF LAL 1 1 1 1 1 1 1 1 1 1 HAINES 5 2 2 4 4 4 4 3 3 4 MIX HGT 2200 2900 1900 300 1500 1700 1700 2300 3100 3300 T WIND DIR N NE E SE S W N N NE NE T WIND SPD 27 13 8 4 10 10 23 28 24 14 SMOKE DISP FR FR PR PR PR PR PR FR FR FR DATE FRI 12/09/16 SAT 12/10/16 SUN 12/11/16 MON 12/12/16 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 21 42 33 57 43 60 40 56 TEMP 28 21 35 40 36 33 51 52 46 43 56 52 44 40 52 49 DEWPT 13 12 13 19 23 27 36 41 42 41 39 38 37 32 32 34 MAX/MIN RH 68 34 89 51 93 45 76 42 RH 53 68 40 42 59 78 56 66 86 93 53 59 76 73 46 56 PWIND DIR NE S S S SW NW W S WIND CHAR <15 <15 <15 15> <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW FW SC SC SC FW FW FW FW FW FW POP 12HR 5 0 0 0 0 0 0 0 $$ 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