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

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FOUS54 KSJT 150919
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
419 AM CDT WED OCT 15 2014
TXZ128-152100- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 419 AM CDT WED OCT 15 2014 DATE WED 10/15/14 THU 10/16/14 FRI 10/17/14 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 84 55 90 56 81 TEMP 50 63 78 84 75 65 61 58 55 68 84 90 79 68 63 60 56 65 77 81 72 DEWPT 40 41 40 38 38 42 40 41 40 41 41 42 43 43 42 43 43 46 49 51 52 MIN/MAX RH 19 57 19 65 35 RH 70 45 26 19 26 43 46 53 57 37 22 19 28 41 47 54 63 51 37 35 49 WIND DIR SW W W SW S S S S S SW SW SW S S S SW W NW N N NE WIND SPD 4 7 8 5 4 7 8 8 8 10 10 12 8 9 10 8 5 5 7 7 5 CLOUDS CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW CLOUDS(%) 0 0 0 0 0 0 0 1 2 4 5 7 8 10 11 13 14 16 18 17 16 POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 5 4 5 5 5 4 4 4 5 5 5 5 5 5 5 5 5 6 6 5 4 MIX HGT <1 <1 4 6 2 <1 <1 <1 <1 <1 4 5 2 <1 <1 <1 <1 <1 2 3 1 T WIND DIR SW W W SW S S S SW SW SW SW SW S S SW SW W NW N N NE T WIND SPD 6 12 10 6 10 6 8 10 9 18 16 18 9 10 13 8 6 9 8 6 6 SMOKE DISP PR PR FR PR PR PR PR PR PR PR FR GD PR PR PR PR PR PR PR PR PR DATE SAT 10/18/14 SUN 10/19/14 MON 10/20/14 TUE 10/21/14 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 54 80 57 80 60 78 56 76 TEMP 59 54 76 73 62 57 76 74 64 60 75 71 60 56 72 69 DEWPT 53 51 53 53 54 54 56 56 57 58 60 58 58 56 56 54 MAX/MIN RH 90 39 90 44 93 52 100 48 RH 80 90 45 49 75 89 51 54 78 93 60 63 93100 57 59 PWIND DIR NE NE SE SE S S SE SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW SC SC SC SC B1 B1 SC SC SC SC SC POP 12HR 0 0 0 10 10 20 10 10 RAIN SHWRS IS IS TSTMS IS IS $$ 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 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... IS.............ISOLATED SC.............SCATTERED NM.............NUMEROUS O..............OCCASIONAL S..............SLIGHT CHANCE C..............CHANCE L..............LIKELY WD.............WIDESPREAD 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 HAINES(CAT).........................HAINES INDEX 10K WIND DIR(8 POINT COMPASS).......10000 FOOT WIND DIRECTION 10K WIND SPD(MPH)...................10000 FOOT WIND SPEED MIX HGT(THOUSANDS OF FT AGL)........MIXING HEIGHT EXAMPLE: 6 = 6000 FEET; 12 = 12000 FEET; <1 = LESS THAN 1000 FEET T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION T WIND SPD(MPH).....................TRANSPORT WIND SPEED SMOKE DISP(CAT(KT-FT))...................SMOKE DISPERSION CATEGORY EXAMPLE: PR = POOR; FR = FAIR; GD = GOOD; VG = VERY GOOD; EX = EXCELLENT FOSBERG.............................FOSBERG FIRE WEATHER INDEX 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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