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

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358
FOUS54 KSJT 300951
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
451 AM CDT WED JUL 30 2014
TXZ128-302245- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 451 AM CDT WED JUL 30 2014 DATE WED 07/30/14 THU 07/31/14 FRI 08/01/14 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 96 70 86 66 88 TEMP 73 85 93 96 94 84 78 73 70 78 84 86 85 76 72 68 66 78 85 88 87 DEWPT 67 65 64 62 61 61 61 64 64 64 64 63 62 63 63 63 64 62 60 58 56 MIN/MAX RH 32 81 46 93 34 RH 81 52 38 33 34 46 56 73 81 62 52 47 47 64 73 84 93 59 43 36 35 WIND DIR S S S S S SE SW N N N N N NE NE NE NE NE NE NE NE NE WIND SPD 14 19 17 12 16 10 8 7 10 11 12 11 10 9 7 4 3 5 8 9 8 CLOUDS B2 B2 B2 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 SC CLOUDS(%) 83 77 71 68 65 65 66 74 82 82 81 73 65 61 56 60 63 60 56 51 46 POP 12HR 20 20 20 10 10 QPF 12HR 0 0.03 0.04 0 0 RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS TSTMS IS IS IS IS IS IS IS IS IS IS IS IS LAL 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 HAINES 5 6 4 6 6 6 6 4 3 2 2 2 3 3 4 4 5 4 3 4 MIX HGT <1 1 3 7 7 <1 <1 <1 <1 2 3 4 5 <1 <1 <1 <1 2 5 5 4 T WIND DIR S S S S S S S NW N N N N NE NE NE NE N N NE NE NE T WIND SPD 12 21 23 21 18 12 9 16 17 17 17 17 14 9 11 4 3 14 18 18 12 SMOKE DISP PR PR GD VG VG PR PR PR PR PR FR GD FR PR PR PR PR PR GD GD FR DATE SAT 08/02/14 SUN 08/03/14 MON 08/04/14 TUE 08/05/14 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 68 90 67 90 69 92 70 93 TEMP 74 68 87 89 74 67 87 89 75 69 89 91 77 70 90 92 DEWPT 58 63 61 56 60 61 58 55 57 61 57 55 56 61 58 55 MAX/MIN RH 84 33 80 31 76 29 73 29 RH 57 84 42 33 62 80 38 32 54 76 34 30 49 73 34 29 PWIND DIR E E E E E E SE SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC POP 12HR 10 10 10 10 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 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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