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

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895
FOUS54 KSJT 220958
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
458 AM CDT MON SEP 22 2014
TXZ128-222230- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 458 AM CDT MON SEP 22 2014 DATE MON 09/22/14 TUE 09/23/14 WED 09/24/14 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 MAX/MIN 83 62 84 61 85 TEMP 67 73 80 83 78 69 66 64 62 71 80 84 79 69 66 63 61 71 81 85 79 DEWPT 64 62 60 58 57 57 56 55 54 55 55 56 56 55 54 54 54 55 56 55 54 MIN/MAX RH 44 76 39 78 36 RH 91 68 51 44 49 65 71 74 76 58 43 39 46 61 66 72 78 57 42 36 42 WIND DIR NE E E E E E SE SE SE S S S SE SE SE S S S SE SE SE WIND SPD 3 9 7 8 7 5 4 4 5 8 5 5 8 7 7 4 5 7 7 7 8 CLOUDS B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC SC SC CLOUDS(%) 62 61 60 65 71 65 59 64 69 63 57 52 46 40 34 35 36 38 39 37 35 POP 12HR 20 5 10 5 10 QPF 12HR 0 0 0 0 0 RAIN SHWRS IS IS IS IS TSTMS IS IS IS IS LAL 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 3 3 3 4 4 3 3 3 3 3 3 3 3 4 4 4 4 4 4 MIX HGT <1 1 4 7 4 <1 <1 <1 <1 1 4 5 3 <1 <1 <1 <1 2 4 5 5 T WIND DIR NE E E E E E E SE SE S S SE SE SE SE S S S E E SE T WIND SPD 6 14 5 6 12 5 5 8 6 13 5 2 10 13 8 6 5 12 4 6 9 SMOKE DISP PR PR PR PR FR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR DATE THU 09/25/14 FRI 09/26/14 SAT 09/27/14 SUN 09/28/14 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MIN/MAX 60 84 60 83 61 85 64 86 TEMP 65 60 80 78 65 60 79 78 65 61 81 80 68 64 82 80 DEWPT 51 51 51 49 51 54 55 54 55 56 55 54 57 57 56 54 MAX/MIN RH 73 30 80 37 84 35 78 35 RH 61 73 36 36 60 80 44 43 70 84 41 41 68 78 41 41 PWIND DIR SE SE SE SE SE SE SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC SC FW SC SC SC SC SC SC SC FW FW FW SC POP 12HR 5 5 5 10 10 10 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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