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

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435
FOUS54 KSJT 311008
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
508 AM CDT THU JUL 31 2014
TXZ128-312230- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 508 AM CDT THU JUL 31 2014 DATE THU 07/31/14 FRI 08/01/14 SAT 08/02/14 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 85 65 87 66 89 TEMP 68 77 83 85 82 74 70 67 65 76 84 87 84 76 72 68 66 78 86 89 85 DEWPT 65 65 63 65 63 63 62 62 61 61 60 59 58 59 60 61 62 61 60 58 55 MIN/MAX RH 50 89 38 87 34 RH 91 68 51 51 53 68 76 86 89 60 45 39 41 56 67 78 87 57 42 35 36 WIND DIR N N N N N NE N N N N NE NE NE E E E E E NE NE NE WIND SPD 11 10 11 10 9 3 1 2 3 7 8 8 8 5 4 3 3 4 8 10 10 CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC CLOUDS(%) 82 82 81 73 65 61 56 60 63 54 44 42 40 41 42 42 42 43 44 42 40 POP 12HR 20 10 5 5 5 QPF 12HR 0.02 0 0 0 0 RAIN SHWRS IS IS IS IS TSTMS IS IS IS IS LAL 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 2 2 2 3 2 3 4 3 3 3 4 4 4 6 6 6 6 3 5 MIX HGT 2 2 4 5 5 2 <1 <1 <1 2 4 5 5 <1 <1 <1 <1 2 6 6 7 T WIND DIR N N N N NE NE E NE NE NE NE NE NE E E E E E E NE E T WIND SPD 20 21 18 13 10 5 4 2 3 12 13 13 12 6 5 4 4 12 17 17 14 SMOKE DISP PR PR FR GD GD PR PR PR PR PR GD VG GD PR PR PR PR PR GD GD VG DATE SUN 08/03/14 MON 08/04/14 TUE 08/05/14 WED 08/06/14 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 67 91 68 92 70 94 72 95 TEMP 73 67 88 87 74 68 89 88 76 70 91 90 78 72 92 91 DEWPT 57 60 57 55 58 61 56 54 60 62 60 57 61 64 63 58 MAX/MIN RH 78 30 78 29 76 30 76 30 RH 57 78 35 34 57 78 33 31 57 76 36 33 56 76 38 33 PWIND DIR E E E E SE SE S S 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 5 5 5 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 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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