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

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512
FOUS54 KSJT 241030
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
530 AM CDT THU JUL 24 2014
TXZ128-242215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 530 AM CDT THU JUL 24 2014 DATE THU 07/24/14 FRI 07/25/14 SAT 07/26/14 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 74 100 75 99 TEMP 73 84 92 98 93 83 78 76 74 85 94100 94 84 79 77 75 86 94 99 94 DEWPT 64 64 63 62 60 62 65 65 66 65 60 57 54 58 59 61 62 61 59 57 55 MIN/MAX RH 27 76 24 64 25 RH 73 51 39 31 34 50 64 70 76 51 32 24 26 42 51 58 64 44 32 25 28 WIND DIR S SE E E SE SE S S S SW SW S S S S S S S S S S WIND SPD 3 3 3 7 9 8 5 5 5 10 5 7 9 8 10 9 9 10 10 10 10 CLOUDS SC SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CLOUDS(%) 35 32 28 28 27 23 19 19 20 19 20 20 19 21 22 23 24 25 25 25 25 POP 12HR 5 5 5 0 0 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 4 5 4 5 5 5 3 4 4 4 4 6 6 6 5 4 4 4 4 5 MIX HGT <1 4 8 8 8 4 <1 <1 <1 5 9 9 9 5 <1 <1 <1 4 7 7 7 T WIND DIR SW E NE E E SE S S S SW S SE S S S S S S S S S T WIND SPD 3 5 9 11 11 6 8 6 6 10 6 8 9 10 11 11 10 9 8 8 8 SMOKE DISP PR PR GD GD GD PR PR PR PR FR FR GD GD FR PR PR PR PR FR FR FR DATE SUN 07/27/14 MON 07/28/14 TUE 07/29/14 WED 07/30/14 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 75 99 75 97 73 94 73 93 TEMP 79 75 94 94 79 75 92 92 77 73 89 89 77 73 88 88 DEWPT 60 65 60 58 58 60 59 61 62 62 61 58 59 61 58 63 MAX/MIN RH 71 27 61 30 68 32 66 33 RH 52 71 33 30 50 61 33 36 60 68 39 35 55 66 36 44 PWIND DIR S S S SE E S SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 POP 12HR 0 5 5 10 20 20 20 20 RAIN SHWRS IS IS IS IS IS IS IS IS TSTMS IS IS IS IS 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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