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

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221
FOUS54 KSJT 020950
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
450 AM CDT THU OCT 2 2014
TXZ128-022215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 450 AM CDT THU OCT 2 2014 DATE THU 10/02/14 FRI 10/03/14 SAT 10/04/14 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 88 54 80 49 80 TEMP 71 80 85 88 84 69 63 57 54 68 76 80 76 63 57 52 49 66 75 80 77 DEWPT 67 65 62 57 52 51 50 49 48 48 43 43 43 41 40 39 39 37 34 38 41 MIN/MAX RH 32 80 27 68 21 RH 87 60 47 35 33 53 61 74 80 49 31 27 31 44 52 61 68 34 22 22 28 WIND DIR S SW W NW NW N N N N N N N NE NE E SE S S S S S WIND SPD 11 11 12 14 11 7 4 2 2 3 8 10 9 5 4 3 4 8 10 9 8 CLOUDS SC SC SC FW FW FW FW FW CL FW FW FW FW FW FW FW FW FW CL CL CL CLOUDS(%) 40 36 33 25 17 14 11 10 5 11 10 10 9 8 7 7 6 6 5 5 5 POP 12HR 20 10 0 0 0 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 6 6 5 4 4 4 3 3 5 5 5 4 4 4 4 4 5 4 4 5 5 MIX HGT <1 4 7 5 4 2 <1 <1 <1 3 6 6 5 3 <1 <1 <1 <1 <1 <1 <1 T WIND DIR S SW SW NW N NW NW NW NE E N N NE NE E SE S S S SW S T WIND SPD 19 26 27 18 23 8 5 3 1 8 16 12 14 8 5 4 4 12 12 13 11 SMOKE DISP PR GD EX GD GD PR PR PR PR PR GD GD GD PR PR PR PR PR PR PR PR DATE SUN 10/05/14 MON 10/06/14 TUE 10/07/14 WED 10/08/14 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 56 86 62 86 65 90 66 90 TEMP 62 56 81 83 68 62 82 83 71 65 86 87 72 66 86 87 DEWPT 41 45 54 54 57 59 59 56 58 60 59 53 60 63 62 57 MAX/MIN RH 70 34 91 38 84 30 90 36 RH 46 66 39 37 68 91 45 40 64 84 40 31 66 90 46 37 PWIND DIR S S S SE S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC POP 12HR 0 0 5 5 5 5 5 10 $$ 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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