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

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FOUS54 KSJT 292027
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
327 PM CDT SUN MAR 29 2015
TXZ128-301015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 327 PM CDT SUN MAR 29 2015 DATE 03/29/15 MON 03/30/15 TUE 03/31/15 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 53 77 60 83 60 TEMP 90 88 70 58 53 53 59 69 76 76 67 62 60 60 66 76 82 81 70 63 60 60 DEWPT 47 43 45 48 49 47 48 50 51 51 55 58 58 58 58 59 55 52 54 56 56 57 MAX/MIN RH 85 40 92 36 90 RH 23 21 41 68 84 81 67 51 42 42 64 86 92 92 74 56 40 37 57 76 86 90 WIND DIR W N N N N NE NE E E SE SE S S S SW SW S S S S S S WIND SPD 8 14 10 9 5 7 9 7 4 4 7 8 7 7 9 10 9 8 9 10 10 10 CLOUDS FW FW FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC CLOUDS(%) 8 12 22 30 40 52 55 58 60 63 64 65 66 66 64 63 61 59 61 64 55 45 POP 12HR 5 5 10 30 30 QPF 12HR 0 0 0 0.05 0.05 RAIN SHWRS SC SC SC SC SC SC SC SC TSTMS SC SC SC SC SC SC SC SC LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 3 3 3 3 3 3 3 3 1 HAINES 6 5 4 4 4 5 6 5 3 4 3 3 3 5 6 6 5 5 4 5 5 5 MIX HGT 8 5 <1 <1 <1 <1 1 3 4 2 <1 <1 <1 <1 2 4 6 4 <1 <1 <1 <1 T WIND DIR NW N N N N NE NE E E SE SE S S SW SW SW SW S S S S S T WIND SPD 28 20 20 11 8 12 9 9 9 12 12 12 11 17 17 12 9 10 9 19 12 10 SMOKE DISP EX GD PR PR PR PR PR PR PR PR PR PR PR PR PR FR FR PR PR PR PR PR DATE 04/01 THU 04/02/15 FRI 04/03/15 SAT 04/04/15 SUN 04/05/15 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 87 62 91 61 76 47 65 49 68 TEMP 78 85 66 62 82 88 65 61 71 73 51 47 59 64 51 49 62 67 DEWPT 58 53 54 55 48 42 51 52 42 38 39 36 31 35 40 43 47 47 MIN/MAX RH 32 78 19 72 25 70 31 83 47 RH 50 33 65 78 31 20 59 72 35 28 63 65 34 34 66 80 58 49 PWIND DIR S S SW SW NW NE E SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW FW CL FW FW FW FW FW FW SC SC SC SC B1 B1 B2 B1 POP 12HR 10 5 5 0 5 5 10 20 20 RAIN SHWRS IS IS IS IS TSTMS 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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