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

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736
FOUS54 KSJT 261903
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
203 PM CDT TUE MAY 26 2015
TXZ128-271030- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 203 PM CDT TUE MAY 26 2015 DATE 05/26/15 WED 05/27/15 THU 05/28/15 FRI 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 70 88 68 84 66 TEMP 89 86 75 71 71 70 76 81 88 85 74 69 69 68 73 78 84 81 71 67 67 66 DEWPT 63 62 65 67 68 67 70 70 67 67 68 69 69 68 68 68 67 67 67 67 66 66 MAX/MIN RH 94 50 100 57 100 RH 42 45 71 88 91 90 83 69 50 55 82100100100 84 71 57 63 87100 98 99 WIND DIR S S S S S S S S S SE S S S S S S S S S SE S S WIND SPD 10 9 10 17 10 9 10 10 10 10 11 12 10 10 10 11 12 14 11 10 10 11 CLOUDS SC SC SC SC B1 B1 B1 B1 SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 CLOUDS(%) 31 46 46 47 55 64 57 51 48 45 48 52 59 67 72 77 76 74 75 77 74 71 POP 12HR 30 20 20 40 60 QPF 12HR 0.05 0.02 0.05 0.15 0.44 RAIN SHWRS SC SC SC SC SC IS IS IS IS IS IS SC SC SC SC NM NM NM NM SC TSTMS SC SC SC SC SC IS IS IS IS IS IS SC SC SC SC NM NM NM NM SC LAL 3 3 3 3 3 1 1 2 2 2 2 2 2 3 3 3 3 4 4 4 4 3 HAINES 4 4 3 5 5 5 5 4 4 4 3 3 4 3 4 3 4 3 3 3 3 MIX HGT 11 8 1 <1 <1 <1 2 5 8 5 1 1 1 <1 2 6 7 6 2 2 <1 <1 T WIND DIR SW SW S S S S S S S S S S S S S S S S S S S S T WIND SPD 20 17 24 26 24 21 18 16 16 19 25 24 29 16 21 28 19 32 25 31 35 25 SMOKE DISP EX VG PR PR PR PR PR GD VG GD PR PR PR PR FR VG VG EX PR FR PR PR DATE 05/29 SAT 05/30/15 SUN 05/31/15 MON 06/01/15 TUE 06/02/15 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 84 66 79 63 78 63 83 66 86 TEMP 77 81 67 66 74 77 64 63 72 76 64 63 75 80 67 66 79 83 DEWPT 68 67 67 66 67 65 64 62 62 61 62 61 64 62 65 64 65 64 MIN/MAX RH 58 100 61 100 56 97 52 97 48 RH 74 63 100100 78 68 100 97 71 60 93 92 68 55 93 92 63 53 PWIND DIR S S SE NE NE SE SE S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B1 SC SC B1 B1 B1 B1 B2 B1 SC SC SC SC SC FW SC FW POP 12HR 50 40 50 40 40 20 20 10 5 RAIN SHWRS SC SC SC SC SC SC SC SC SC SC IS IS IS IS TSTMS SC SC SC SC SC SC SC SC 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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