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

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FOUS54 KSJT 192026
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
326 PM CDT FRI SEP 19 2014
TXZ128-201015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 326 PM CDT FRI SEP 19 2014 DATE 09/19/14 SAT 09/20/14 SUN 09/21/14 MON 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 70 84 69 85 68 TEMP 84 82 75 72 71 70 75 80 84 82 74 72 70 69 74 81 85 83 74 71 69 68 DEWPT 68 68 69 69 69 69 69 69 69 68 68 68 68 67 67 66 66 65 65 65 64 64 MAX/MIN RH 97 61 93 52 87 RH 62 64 83 91 94 97 83 69 62 63 82 89 93 93 78 61 54 55 74 81 84 87 WIND DIR SE SE SE SE SE SE S SE SE SE E E E E E E E E E NE E E WIND SPD 9 9 8 5 4 5 8 8 7 8 5 4 3 3 4 7 5 4 3 2 3 3 CLOUDS OV B2 OV OV OV OV OV OV OV OV OV B2 B2 OV B2 B2 B2 B1 B1 B1 B1 B1 CLOUDS(%) 89 85 93100100100100 98 96 99 92 85 87 89 85 81 72 62 61 60 60 60 POP 12HR 50 60 50 40 30 QPF 12HR 0.09 0.43 0.14 0.02 0.02 RAIN SHWRS NM SC SC SC SC NM NM NM NM SC SC SC SC SC SC SC SC SC SC SC SC IS TSTMS NM SC SC SC SC NM NM NM NM SC SC SC SC SC SC SC SC SC SC SC SC IS LAL 4 3 3 3 3 4 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 2 HAINES 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 4 MIX HGT 5 3 <1 <1 <1 <1 2 3 4 3 <1 <1 <1 <1 2 4 5 3 <1 <1 <1 <1 T WIND DIR SE SE SE SE S S S SE SE E E SE E SE S SE E E SE S S S T WIND SPD 12 11 6 13 11 10 11 9 8 9 4 3 2 3 9 9 11 9 4 4 3 2 SMOKE DISP FR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR DATE 09/22 TUE 09/23/14 WED 09/24/14 THU 09/25/14 FRI 09/26/14 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 85 67 86 67 86 66 85 63 84 TEMP 80 83 70 67 81 83 70 67 81 83 69 66 80 82 67 63 78 81 DEWPT 63 62 63 63 62 61 61 61 60 58 59 59 58 57 59 60 59 58 MIN/MAX RH 48 87 45 81 40 79 40 90 42 RH 56 49 78 87 53 47 73 81 50 43 70 79 48 43 77 90 52 46 PWIND DIR E SE SE SE SE SE SE SE SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B1 B1 B1 SC SC SC SC SC SC B1 SC SC SC SC SC B1 POP 12HR 20 10 10 10 10 10 10 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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