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

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318
FOUS54 KSJT 261828
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
128 PM CDT SUN APR 26 2015
TXZ128-271030- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 128 PM CDT SUN APR 26 2015 DATE 04/26/15 MON 04/27/15 TUE 04/28/15 WED 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 56 73 49 63 45 TEMP 87 83 69 63 59 56 63 70 73 70 59 55 51 49 55 60 63 61 53 49 47 45 DEWPT 51 53 54 52 51 49 50 49 51 51 50 49 48 47 47 46 45 44 44 43 42 41 MAX/MIN RH 77 45 93 52 86 RH 29 36 59 67 75 77 61 47 45 50 71 80 89 93 74 60 52 53 71 80 83 85 WIND DIR S S S N SE S W N N N N N N N N N N N NW W W W WIND SPD 11 7 2 1 1 3 1 1 5 15 12 12 11 11 11 14 11 10 8 4 3 4 CLOUDS SC SC B1 B1 B1 SC B1 B1 B1 B2 B2 OV OV OV OV B2 B2 B1 SC SC FW FW CLOUDS(%) 47 47 51 55 52 50 52 54 67 80 86 92 91 90 88 86 72 58 44 28 23 17 POP 12HR 50 30 40 20 5 QPF 12HR 0.16 0.16 0.09 0.02 0 RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS TSTMS SC SC SC SC SC SC SC SC SC LAL 3 3 3 3 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 6 6 6 6 6 6 6 6 5 4 3 3 2 2 3 3 3 3 3 3 3 3 MIX HGT 10 14 11 7 4 <1 4 7 4 2 2 2 1 <1 2 4 4 5 4 3 2 <1 T WIND DIR S SW SW W SW S SW SW SE E NE N N N N N N N N N N N T WIND SPD 29 32 23 12 11 11 8 8 23 37 39 34 27 21 23 26 28 28 23 16 9 5 SMOKE DISP EX VG PR PR PR PR PR PR GD GD FR PR PR PR PR FR GD GD PR PR PR PR DATE 04/29 THU 04/30/15 FRI 05/01/15 SAT 05/02/15 SUN 05/03/15 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 72 49 75 53 81 58 82 60 82 TEMP 67 69 54 49 70 72 58 53 76 78 63 58 77 79 65 60 78 80 DEWPT 43 42 45 44 46 44 46 47 49 48 50 51 52 51 54 55 57 57 MIN/MAX RH 34 83 34 80 32 77 34 84 43 RH 42 37 71 83 42 37 64 80 39 35 62 77 42 38 68 84 49 46 PWIND DIR N E SE SE S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW CL CL CL CL CL FW FW FW FW SC SC SC SC SC SC POP 12HR 0 0 0 0 0 0 5 5 20 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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