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

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253
FOUS54 KSJT 272045
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
345 PM CDT WED AUG 27 2014
TXZ128-281000- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 345 PM CDT WED AUG 27 2014 DATE 08/27/14 THU 08/28/14 FRI 08/29/14 SAT 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 75 95 71 91 72 TEMP 96 94 85 81 77 75 84 92 95 93 82 78 74 71 80 88 91 89 81 77 74 72 DEWPT 63 62 62 62 62 63 63 63 63 62 65 68 67 67 68 68 65 64 66 67 67 67 MAX/MIN RH 68 34 87 42 85 RH 34 35 47 54 60 68 50 39 35 36 56 72 79 87 67 53 43 44 60 71 80 85 WIND DIR E E SE SE S S S S S SE E E SE SE S S E E SE S S S WIND SPD 8 9 8 7 5 5 7 8 8 8 8 8 7 8 9 5 3 9 9 7 4 3 CLOUDS SC SC SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC CLOUDS(%) 39 42 39 35 36 37 45 53 58 64 75 86 84 82 72 62 59 55 47 39 41 42 POP 12HR 10 20 50 40 30 QPF 12HR 0 0 0.21 0.18 0.20 RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC IS TSTMS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC IS LAL 2 1 1 1 1 1 1 2 2 3 3 3 3 3 3 3 3 3 3 3 3 2 HAINES 5 5 5 3 3 5 4 5 5 5 5 5 5 5 5 5 5 MIX HGT 11 10 5 <1 <1 <1 4 8 11 8 4 <1 <1 <1 4 7 7 6 4 <1 <1 <1 T WIND DIR E SE SE SE S S SW S S S NE SE S S S SE SE SE SE S S S T WIND SPD 6 10 14 9 9 9 16 5 8 11 6 9 17 16 13 9 9 10 10 23 13 5 SMOKE DISP GD GD GD PR PR PR FR PR GD GD PR PR PR PR FR FR FR FR PR PR PR PR DATE 08/30 SUN 08/31/14 MON 09/01/14 TUE 09/02/14 WED 09/03/14 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 93 71 94 74 96 73 94 71 92 TEMP 89 91 77 71 90 92 80 74 92 94 79 73 90 92 77 71 88 90 DEWPT 65 61 64 67 66 62 65 68 65 62 64 67 62 57 64 67 65 63 MIN/MAX RH 36 87 36 82 34 81 31 89 40 RH 45 37 64 87 45 37 61 82 41 35 60 81 39 31 64 89 47 41 PWIND DIR S S S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC FW FW SC FW FW FW FW FW FW FW FW FW FW FW SC POP 12HR 20 10 5 5 5 5 5 5 5 RAIN SHWRS IS IS TSTMS 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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