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

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434
FOUS54 KSJT 210928
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
428 AM CDT MON JUL 21 2014
TXZ128-212215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 428 AM CDT MON JUL 21 2014 DATE MON 07/21/14 TUE 07/22/14 WED 07/23/14 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 98 75 98 74 100 TEMP 75 85 93 98 93 84 80 77 75 85 93 98 93 83 80 76 74 85 94100 95 DEWPT 71 72 67 66 65 64 66 67 67 66 65 62 60 61 62 63 62 63 62 60 58 MIN/MAX RH 36 78 31 67 28 RH 87 65 44 36 40 52 63 73 78 54 40 31 33 47 55 63 67 47 36 28 30 WIND DIR SE S SE SE SE SE SE S S S S SE SE SE SE S SW SE NE E E WIND SPD 8 10 10 11 10 5 5 5 4 5 5 7 8 7 5 3 3 3 3 5 7 CLOUDS SC SC SC FW FW FW FW FW FW FW FW FW SC FW FW FW FW FW SC SC SC CLOUDS(%) 36 35 31 24 18 24 22 21 20 22 24 25 26 24 21 20 19 24 29 29 28 POP 12HR 5 0 5 0 5 QPF 12HR 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 4 3 5 5 5 4 4 5 4 5 5 5 5 5 5 5 5 5 6 MIX HGT 1 4 5 6 6 6 5 4 3 3 5 5 8 5 5 4 4 4 5 6 7 T WIND DIR S S SE SE SE S S S S S SE SE SE SE SE S S SE NE E E T WIND SPD 17 9 10 13 13 16 13 11 12 8 9 9 9 10 9 5 3 3 5 9 11 SMOKE DISP PR PR FR GD GD GD GD FR PR PR FR FR GD FR FR PR PR PR PR FR GD DATE THU 07/24/14 FRI 07/25/14 SAT 07/26/14 SUN 07/27/14 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 74 100 75 101 75 100 75 98 TEMP 80 74 94 95 81 75 95 96 81 75 94 95 81 75 93 93 DEWPT 62 63 59 54 59 62 59 57 59 60 59 54 60 61 62 57 MAX/MIN RH 69 24 64 24 60 24 62 29 RH 54 69 31 25 47 64 30 27 47 60 31 25 49 62 36 30 PWIND DIR SE E S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW SC SC SC SC SC SC SC SC FW FW FW SC SC SC POP 12HR 5 5 5 0 0 0 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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