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

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172
FOUS54 KSJT 291005
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
405 AM CST THU JAN 29 2015
TXZ128-292215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 405 AM CST THU JAN 29 2015 DATE THU 01/29/15 FRI 01/30/15 SAT 01/31/15 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MAX/MIN 61 35 49 39 47 TEMP 46 48 57 61 54 45 41 38 36 38 46 49 47 43 42 40 40 41 45 47 45 DEWPT 39 38 36 37 34 33 32 30 30 30 29 30 31 32 34 35 37 38 42 42 43 MIN/MAX RH 39 82 48 95 81 RH 76 68 45 41 46 62 70 73 79 73 51 49 54 64 72 81 88 88 88 82 92 WIND DIR NW N NE N NE NE NE NE NE NE E E E E SE SE SE SE SE SE SE WIND SPD 5 10 16 16 11 10 9 9 9 10 8 8 8 7 8 8 9 9 10 8 7 CLOUDS SC SC SC SC B1 B1 B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV CLOUDS(%) 39 41 43 49 54 68 82 86 90 90 94 94 94 94100100100100100100 96 POP 12HR 0 5 20 60 80 QPF 12HR 0 0 0.02 0.12 0.54 RAIN S S L L L L D D D D L LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 4 4 4 4 4 3 3 3 3 4 5 5 4 4 4 3 2 3 3 2 2 MIX HGT <1 1 2 3 <1 <1 <1 <1 <1 <1 2 2 <1 <1 <1 <1 <1 <1 1 2 <1 T WIND DIR NW N NE NE NE NE NE NE NE NE NE E E E SE SE SE SE SE SE SE T WIND SPD 6 11 25 20 20 23 21 18 16 14 10 11 13 13 13 18 18 18 14 14 12 SMOKE DISP PR PR FR FR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR DATE SUN 02/01/15 MON 02/02/15 TUE 02/03/15 WED 02/04/15 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 MIN/MAX 38 45 27 46 34 58 39 56 TEMP 41 39 44 42 33 28 42 44 38 35 53 55 45 40 52 53 DEWPT 41 38 35 29 26 22 23 26 27 28 36 37 39 36 38 37 MAX/MIN RH 100 56 82 43 89 45 92 49 RH 100 96 70 60 75 78 46 49 64 75 52 51 79 84 58 55 PWIND DIR NE N N SE S S SW NW WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS OV OV B2 B1 SC SC SC FW SC FW SC FW SC SC SC FW POP 12HR 60 20 10 5 5 5 5 5 RAIN L L C C $$ 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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