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

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FOUS54 KSJT 061958
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
258 PM CDT MON JUL 6 2015
TXZ128-071015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 258 PM CDT MON JUL 6 2015 DATE 07/06/15 TUE 07/07/15 WED 07/08/15 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 73 85 68 89 72 TEMP 93 90 82 78 75 73 78 83 85 83 75 72 70 68 77 85 89 87 79 76 74 72 DEWPT 65 63 65 66 69 70 69 69 66 69 67 68 67 66 67 67 65 62 64 65 66 67 MAX/MIN RH 89 54 93 42 84 RH 40 41 56 66 81 89 73 63 54 63 76 87 90 93 71 54 45 43 59 69 76 84 WIND DIR S S S S S S S S S S SE S S S S S S S S S S S WIND SPD 17 17 14 11 11 11 12 11 10 5 5 3 3 3 9 9 15 12 11 12 14 12 CLOUDS SC SC SC B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC CLOUDS(%) 35 43 43 71 71 94 94 92 92 81 81 80 80 78 78 64 64 47 47 42 42 45 POP 12HR 40 60 60 30 5 QPF 12HR 0.19 0.95 0.97 0.33 0 RAIN SHWRS SC SC SC SC NM NM NM NM NM NM NM NM SC SC SC SC TSTMS SC SC SC SC NM NM NM NM NM NM NM NM SC SC SC SC LAL 1 3 3 3 3 4 4 4 4 4 4 4 4 3 3 3 3 1 1 1 1 1 HAINES 5 5 4 4 3 3 3 3 4 5 3 3 3 3 4 4 5 6 4 4 3 5 MIX HGT 7 6 2 1 <1 <1 2 4 5 7 4 2 <1 <1 2 5 6 7 4 1 <1 <1 T WIND DIR S S S S S S S S S S S S S S S S S S S S S S T WIND SPD 23 26 29 20 23 12 18 21 21 20 23 24 17 11 14 21 26 29 34 35 26 19 SMOKE DISP VG VG FR PR PR PR PR FR PR PR PR PR PR PR PR GD GD VG PR PR PR PR DATE 07/09 FRI 07/10/15 SAT 07/11/15 SUN 07/12/15 MON 07/13/15 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 91 70 92 71 93 72 94 73 95 TEMP 88 88 75 70 88 89 76 71 89 90 77 72 90 91 78 73 91 92 DEWPT 62 57 62 65 63 59 62 66 62 59 62 65 64 59 60 62 63 57 MIN/MAX RH 33 83 34 84 33 79 32 68 29 RH 42 35 63 83 43 37 62 84 41 35 60 79 42 34 54 68 39 31 PWIND DIR S S S S S S S S SW WIND CHAR 15> <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW SC SC SC SC FW SC FW FW FW FW FW FW FW FW FW FW POP 12HR 5 5 0 0 0 5 5 5 5 $$ 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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