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

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917
FOUS54 KSJT 041050
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
450 AM CST WED MAR 4 2015
TXZ076-042215- BARNHART RAWS-CROCKETT TX 30.99N 101.16W ELEV. 2562 FT 450 AM CST WED MAR 4 2015 DATE WED 03/04/15 THU 03/05/15 FRI 03/06/15 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MAX/MIN 54 25 37 21 48 TEMP 49 52 54 43 34 31 27 27 26 28 34 37 35 28 25 23 21 28 41 47 45 DEWPT 48 51 44 36 28 25 21 19 17 17 17 16 16 17 18 18 18 16 15 17 20 MIN/MAX RH 69 81 42 86 30 RH 96 96 70 76 79 78 77 72 68 62 49 42 45 63 74 81 86 60 35 30 37 WIND DIR S SW NE NE N NE N N N N NE NE NE NE E E E SE S SE SE WIND SPD 3 4 8 17 21 21 21 17 17 16 14 11 10 7 3 3 3 3 5 7 7 CLOUDS OV OV OV OV OV OV OV OV B1 B1 SC SC SC SC SC SC SC SC SC SC SC CLOUDS(%) 90 90 89 93 97100 98 92 67 59 50 49 47 42 38 33 28 30 32 34 37 POP 12HR 50 70 5 5 0 QPF 12HR 0.14 0.19 0 0 0 FRZG RAIN L L RAIN C RAIN SHWRS SC SC SC SLEET L L SNOW L L TSTMS IS IS IS LAL 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 4 3 3 2 2 2 2 2 2 4 4 4 4 4 4 4 4 4 4 3 3 MIX HGT <1 <1 3 2 2 2 2 2 2 2 2 3 3 <1 <1 <1 <1 1 2 3 2 T WIND DIR S S N NE N NE NE N NE NE NE NE NE NE E E E SE SE SE SE T WIND SPD 3 6 4 27 31 32 28 31 28 26 23 18 14 6 3 3 2 3 6 6 9 SMOKE DISP PR PR PR FR FR FR FR FR FR FR FR FR PR PR PR PR PR PR PR PR PR DATE SAT 03/07/15 SUN 03/08/15 MON 03/09/15 TUE 03/10/15 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 MIN/MAX 31 53 35 61 40 65 42 67 TEMP 35 31 47 50 40 35 54 58 46 40 58 62 48 42 60 64 DEWPT 22 22 24 29 31 32 36 36 37 37 39 39 41 40 41 39 MAX/MIN RH 69 36 88 39 91 38 93 36 RH 59 69 40 44 71 88 49 44 72 91 49 43 77 93 49 40 PWIND DIR SE SE S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC B1 B1 SC SC SC SC SC SC SC SC FW FW SC SC SC POP 12HR 5 5 5 10 5 5 5 10 $$ 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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