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

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FOUS54 KSJT 302042
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
342 PM CDT MON MAR 30 2015
TXZ128-311015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 342 PM CDT MON MAR 30 2015 DATE 03/30/15 TUE 03/31/15 WED 04/01/15 THU 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 62 85 62 85 63 TEMP 78 78 68 63 62 62 69 79 84 83 69 64 62 62 68 79 84 83 70 65 63 63 DEWPT 52 52 55 56 58 58 60 58 57 53 56 56 56 58 59 57 56 54 56 57 58 58 MAX/MIN RH 90 35 88 36 84 RH 40 41 64 78 87 88 74 49 40 36 62 76 82 88 72 47 38 37 60 75 84 84 WIND DIR E SE S S S SW SW SW S S S S S S S S S S S S S SW WIND SPD 4 5 7 11 10 10 10 10 10 9 10 10 9 10 14 14 14 12 15 16 17 14 CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW SC SC CLOUDS(%) 57 54 57 61 64 66 65 64 61 59 61 63 55 45 45 44 36 27 26 24 32 40 POP 12HR 10 20 30 10 5 QPF 12HR 0 0.03 0.08 0 0 RAIN SHWRS IS IS SC SC SC SC TSTMS IS IS SC SC SC SC LAL 1 1 1 1 1 1 1 2 2 3 3 3 3 1 1 1 1 1 1 1 1 1 HAINES 5 5 4 5 6 5 5 5 4 4 4 3 3 3 3 3 3 4 4 4 4 4 MIX HGT 4 4 <1 <1 <1 <1 2 3 4 5 <1 <1 <1 <1 3 5 7 7 <1 <1 <1 <1 T WIND DIR SE S S S SW SW SW SW S S S S S S S S SW SW S S SW SW T WIND SPD 9 11 8 5 5 9 16 13 13 18 12 5 1 5 20 20 21 21 10 14 11 16 SMOKE DISP PR PR PR PR PR PR PR PR FR GD PR PR PR PR FR GD VG VG PR PR PR PR DATE 04/02 FRI 04/03/15 SAT 04/04/15 SUN 04/05/15 MON 04/06/15 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 93 62 74 47 64 49 67 55 81 TEMP 85 89 75 62 70 70 59 47 58 63 56 49 61 66 61 55 75 80 DEWPT 52 44 55 54 39 36 35 33 29 32 40 44 50 51 56 55 56 55 MIN/MAX RH 20 76 26 57 28 83 54 100 41 RH 32 21 50 76 32 29 40 57 33 31 55 83 67 58 84100 52 42 PWIND DIR SW SW NW NE E SE S S S WIND CHAR <15 <15 15> <15 <15 <15 <15 <15 <15 AVG CLOUDS SC FW FW FW SC SC SC SC SC B1 B2 B2 B2 B2 B1 B2 B1 SC POP 12HR 5 5 5 10 10 30 20 20 20 RAIN SHWRS SC SC IS IS IS IS IS IS TSTMS SC SC 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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