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

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970
FOUS54 KSJT 182027
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
327 PM CDT SAT OCT 18 2014
TXZ128-191115- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 327 PM CDT SAT OCT 18 2014 DATE 10/18/14 SUN 10/19/14 MON 10/20/14 TUE 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 54 77 58 79 58 TEMP 77 71 63 59 57 56 62 72 76 71 65 62 61 59 65 74 78 74 66 63 61 59 DEWPT 50 53 53 53 54 53 55 58 58 57 58 59 58 57 59 59 57 54 57 56 57 56 MAX/MIN RH 91 53 92 48 90 RH 39 52 70 80 89 91 79 62 53 61 78 88 91 92 81 59 48 50 74 80 88 89 WIND DIR NE NE E E E E SE SE SE SE SE S S S S S SE SE S S S S WIND SPD 10 9 8 8 5 4 5 8 8 7 7 7 7 4 5 4 5 5 5 5 4 3 CLOUDS SC SC SC B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC B1 SC SC SC CLOUDS(%) 44 45 50 55 64 73 66 59 55 51 54 57 59 62 54 47 45 43 52 44 42 40 POP 12HR 0 10 10 10 10 QPF 12HR 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 3 3 3 3 3 4 4 3 3 3 3 3 3 3 4 4 4 4 3 4 4 MIX HGT 4 2 <1 <1 <1 <1 2 3 6 3 <1 <1 <1 <1 2 5 7 2 <1 <1 <1 <1 T WIND DIR E NE E E E SE SE SE S S E S SE S S SE SE SE S S S S T WIND SPD 10 10 14 10 9 5 6 9 8 11 9 13 9 8 8 4 8 6 8 9 9 8 SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR PR PR PR PR PR DATE 10/21 WED 10/22/14 THU 10/23/14 FRI 10/24/14 SAT 10/25/14 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 81 57 79 58 78 54 77 55 80 TEMP 76 75 62 59 74 73 63 59 73 73 59 56 72 71 60 57 74 73 DEWPT 56 56 57 56 57 54 53 53 54 54 53 53 53 51 51 51 53 51 MIN/MAX RH 45 90 45 80 45 91 43 83 39 RH 51 52 83 90 55 51 72 80 51 52 80 91 51 49 74 83 47 46 PWIND DIR SE SE SE SE SE E NE E E WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B1 B1 SC SC SC SC SC SC POP 12HR 10 10 10 20 30 20 20 10 10 RAIN SHWRS IS IS SC SC IS IS IS IS TSTMS IS IS SC SC IS IS 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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