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

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FOUS54 KSJT 222015
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
315 PM CDT MON SEP 22 2014
TXZ128-231015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 315 PM CDT MON SEP 22 2014 DATE 09/22/14 TUE 09/23/14 WED 09/24/14 THU 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 61 84 62 85 60 TEMP 82 77 68 64 61 61 72 84 83 79 69 65 62 62 73 85 84 79 68 63 60 60 DEWPT 58 58 57 57 55 54 54 55 56 55 58 55 55 53 55 56 55 54 53 52 52 51 MAX/MIN RH 82 37 78 36 75 RH 45 52 69 77 80 78 54 37 40 44 68 71 77 73 54 37 37 42 60 67 75 73 WIND DIR E E E E SE SE SE S S E SE SE S S S SE SE SE SE SE S S WIND SPD 8 8 7 5 4 4 9 7 8 8 7 8 5 5 7 7 5 8 8 5 4 3 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC CLOUDS(%) 65 54 54 54 61 69 63 57 49 42 40 35 36 36 38 39 39 39 34 29 31 33 POP 12HR 10 5 10 10 10 QPF 12HR 0 0 0 0 0 RAIN SHWRS IS TSTMS IS LAL 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 4 4 3 3 3 3 3 3 3 3 4 4 4 4 4 4 MIX HGT 7 4 <1 <1 <1 <1 2 5 7 4 <1 <1 <1 <1 3 6 8 5 <1 <1 <1 <1 T WIND DIR E E E E SE SE S S S SE SE SE S S S E E E SE SE S S T WIND SPD 8 11 4 6 8 5 14 4 4 10 14 14 13 10 10 5 6 9 8 5 4 4 SMOKE DISP FR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR FR PR PR PR PR DATE 09/25 FRI 09/26/14 SAT 09/27/14 SUN 09/28/14 MON 09/29/14 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 84 61 83 62 85 63 85 63 85 TEMP 84 79 64 61 83 78 65 62 85 80 66 63 85 80 66 63 85 80 DEWPT 48 50 52 57 57 56 55 56 56 54 56 56 56 55 56 58 57 57 MIN/MAX RH 29 86 41 81 37 78 37 83 39 RH 29 36 65 86 41 47 70 81 37 41 70 78 37 42 70 83 39 45 PWIND DIR SE SE SE SE SE S SE SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC FW SC SC SC SC SC SC SC FW FW FW SC SC SC SC SC POP 12HR 10 5 10 10 10 5 5 10 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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