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

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907
FOUS54 KSJT 192027
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
327 PM CDT SUN OCT 19 2014
TXZ128-201015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 327 PM CDT SUN OCT 19 2014 DATE 10/19/14 MON 10/20/14 TUE 10/21/14 WED 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 59 81 56 79 58 TEMP 78 72 66 63 61 59 67 77 81 73 65 61 59 56 64 75 79 72 65 62 60 58 DEWPT 58 59 59 59 58 58 60 59 58 56 57 57 57 55 55 56 55 53 54 54 54 53 MAX/MIN RH 100 46 96 42 84 RH 51 65 79 87 90 96 78 54 46 55 75 87 93 96 73 52 44 51 68 75 81 84 WIND DIR SE SE SE S S S S S SE E SE SE S S S SE SE SE SE SE S S WIND SPD 7 7 8 8 5 4 4 3 7 5 4 3 4 3 4 7 9 8 7 5 4 5 CLOUDS B1 B2 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC B1 B1 B1 SC SC SC SC SC B1 CLOUDS(%) 61 70 67 65 68 72 62 53 53 53 50 47 50 53 55 56 50 44 44 43 49 54 POP 12HR 10 10 5 5 10 QPF 12HR 0 0 0 0 0 RAIN SHWRS IS TSTMS IS LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 HAINES 3 3 3 3 3 2 3 3 3 3 3 3 3 4 4 3 4 4 4 3 3 3 MIX HGT 8 3 <1 <1 <1 <1 3 7 9 5 <1 <1 <1 <1 3 7 8 3 <1 <1 <1 <1 T WIND DIR S SE SE S S S SW E E SE SE S S S S SE SE SE SE S S SE T WIND SPD 4 8 14 13 12 8 11 4 8 11 9 6 5 4 6 10 12 13 8 6 9 8 SMOKE DISP PR PR PR PR PR PR PR PR GD FR PR PR PR PR PR GD GD PR PR PR PR PR DATE 10/22 THU 10/23/14 FRI 10/24/14 SAT 10/25/14 SUN 10/26/14 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 79 57 78 54 77 52 81 52 78 TEMP 75 72 61 57 74 70 59 54 73 69 57 52 76 71 58 52 73 70 DEWPT 53 52 54 53 54 54 52 50 49 47 49 47 49 48 48 47 48 47 MIN/MAX RH 39 86 43 86 36 84 33 85 35 RH 46 49 78 86 50 57 78 86 43 46 76 84 39 44 70 85 41 45 PWIND DIR S SE S NE N NE NE SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW FW FW FW FW FW POP 12HR 20 30 30 10 10 5 5 5 5 RAIN SHWRS IS IS SC SC SC SC TSTMS IS IS SC SC SC SC $$ 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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