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

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653
FOUS54 KSJT 142021
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
321 PM CDT SUN SEP 14 2014
TXZ128-151015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 321 PM CDT SUN SEP 14 2014 DATE 09/14/14 MON 09/15/14 TUE 09/16/14 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 65 85 69 84 68 TEMP 82 80 73 69 67 65 72 79 85 83 76 73 71 69 74 79 84 82 75 72 70 68 DEWPT 59 60 61 62 62 62 63 63 62 61 63 64 64 66 67 67 66 65 66 66 66 66 MAX/MIN RH 90 46 89 55 93 RH 46 51 67 78 84 90 75 58 46 47 64 73 79 89 78 65 57 58 74 81 87 93 WIND DIR SE SE SE SE S SE S S SE E SE SE SE SE SE E E E SE SE SE SE WIND SPD 4 4 5 5 3 3 4 7 7 8 5 4 3 3 3 3 4 4 3 3 3 3 CLOUDS B2 OV B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 CLOUDS(%) 75 89 84 79 80 81 69 82 74 78 77 76 78 80 79 77 71 65 69 72 67 62 POP 12HR 10 20 30 40 20 QPF 12HR 0.01 0.02 0.10 0.34 0.02 RAIN SHWRS IS IS IS IS SC SC SC SC SC SC SC SC IS IS IS IS IS TSTMS IS IS SC SC SC SC SC SC SC SC IS IS IS IS IS LAL 1 1 1 1 1 1 1 2 2 3 3 3 3 3 3 3 3 2 2 2 2 2 HAINES 3 3 4 4 4 4 3 3 3 5 4 3 3 3 3 3 3 MIX HGT 5 4 <1 <1 <1 <1 1 5 7 7 <1 <1 <1 <1 5 6 4 1 <1 <1 <1 <1 T WIND DIR S SE S S S S SW S S SE E SE S SE S SE E E E SE SE E T WIND SPD 5 9 11 13 14 12 11 5 5 6 6 5 4 4 9 6 10 9 2 2 3 3 SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR DATE 09/17 THU 09/18/14 FRI 09/19/14 SAT 09/20/14 SUN 09/21/14 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 87 70 89 70 89 70 88 69 87 TEMP 82 85 74 70 84 87 75 70 84 87 75 70 83 86 74 69 82 85 DEWPT 66 64 65 66 65 63 63 65 64 61 64 67 64 63 65 66 66 66 MIN/MAX RH 47 87 43 84 41 90 43 90 51 RH 58 50 74 87 54 44 66 84 52 42 69 90 54 46 74 90 59 54 PWIND DIR SE SE SE SE S S S S SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 POP 12HR 20 10 10 10 10 10 10 10 10 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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