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

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FOUS54 KSJT 270915
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
415 AM CDT WED AUG 27 2014
TXZ128-272200- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 415 AM CDT WED AUG 27 2014 DATE WED 08/27/14 THU 08/28/14 FRI 08/29/14 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 75 95 74 92 TEMP 74 84 93 96 93 83 79 77 75 84 92 95 91 82 78 76 74 82 89 92 88 DEWPT 66 68 65 63 59 60 60 63 63 66 63 62 61 64 67 67 67 67 66 65 63 MIN/MAX RH 31 68 34 79 40 RH 76 59 40 34 33 46 52 63 68 56 38 34 37 55 69 74 79 60 47 41 43 WIND DIR SE S SE E SE SE SE S S S S S SE SE SE SE S S S SE SE WIND SPD 3 8 5 8 10 8 7 7 5 10 8 8 8 8 8 7 5 8 8 8 8 CLOUDS SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 CLOUDS(%) 27 31 35 39 42 39 35 37 38 44 49 53 57 62 67 71 75 68 60 61 61 POP 12HR 10 10 20 30 40 QPF 12HR 0 0 0.02 0.14 0.22 RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC SC TSTMS IS IS IS SC SC SC SC SC SC SC SC SC LAL 1 1 1 2 1 1 1 1 1 1 2 2 3 3 3 3 3 3 3 3 3 HAINES 4 3 4 5 5 5 3 3 3 4 4 5 5 5 4 4 4 5 4 5 MIX HGT <1 5 9 11 10 5 <1 <1 <1 4 9 11 8 4 <1 1 1 3 9 10 9 T WIND DIR SE S E E SE SE SE S S SW S S S E SE S S S SE SE E T WIND SPD 5 6 4 6 11 14 11 17 9 14 6 8 9 9 10 16 13 11 5 5 8 SMOKE DISP PR PR PR GD GD GD PR PR PR FR FR GD GD PR PR PR PR PR FR FR GD DATE SAT 08/30/14 SUN 08/31/14 MON 09/01/14 TUE 09/02/14 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 71 93 71 95 73 96 73 95 TEMP 75 71 90 89 76 71 91 91 78 73 92 92 78 73 92 91 DEWPT 66 67 66 63 66 67 65 60 66 67 65 61 64 66 64 58 MAX/MIN RH 88 38 87 34 81 34 79 31 RH 74 88 46 42 71 87 42 36 66 81 41 37 62 79 40 33 PWIND DIR SE S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 SC SC SC FW FW SC FW FW FW FW FW FW FW FW POP 12HR 30 20 10 5 5 5 5 5 RAIN SHWRS SC SC IS IS TSTMS SC SC 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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