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

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598
FOUS54 KSJT 240928
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
428 AM CDT TUE MAR 24 2015
TXZ128-242245- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 428 AM CDT TUE MAR 24 2015 DATE TUE 03/24/15 WED 03/25/15 THU 03/26/15 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CDT 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 MAX/MIN 86 59 87 46 62 TEMP 63 61 69 80 86 82 71 66 62 59 68 81 87 82 64 56 50 46 51 58 62 59 DEWPT 56 57 56 52 44 43 44 47 52 53 57 54 47 45 46 46 42 37 34 31 29 27 MIN/MAX RH 23 81 24 74 27 RH 77 87 63 38 23 25 38 51 70 80 67 39 25 27 52 69 74 71 51 35 28 29 WIND DIR S S SW W W W SE SE S S SW SW SW SW NW N N N N N N N WIND SPD 12 16 16 11 7 3 3 4 7 8 14 14 14 10 3 12 17 16 17 14 11 9 CLOUDS SC FW FW FW FW FW FW FW FW SC SC SC SC SC SC B1 SC B1 SC SC SC FW CLOUDS(%) 30 25 20 16 13 10 12 14 20 26 28 32 32 50 40 58 43 57 48 39 30 21 POP 12HR 0 0 20 20 5 QPF 12HR 0 0 0.03 0.04 0 RAIN SHWRS IS IS IS IS IS TSTMS IS IS IS IS IS LAL 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 1 1 1 1 1 HAINES 6 6 6 6 6 6 6 6 6 6 6 6 5 6 6 3 2 2 3 5 4 4 MIX HGT <1 <1 1 2 10 6 <1 <1 <1 <1 1 2 10 2 <1 <1 1 3 3 4 5 4 T WIND DIR SW SW SW SW W W S S SW SW SW SW SW S S W N N N N N N T WIND SPD 31 18 21 18 19 8 4 4 10 9 18 14 24 17 10 10 37 36 25 23 19 13 SMOKE DISP PR PR PR PR EX FR PR PR PR PR PR PR EX PR PR PR FR GD GD GD GD FR DATE FRI 03/27/15 SAT 03/28/15 SUN 03/29/15 MON 03/30/15 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MIN/MAX 39 68 45 77 53 80 54 77 TEMP 45 39 61 65 51 45 70 74 59 53 74 77 60 54 72 75 DEWPT 30 30 34 36 37 34 37 38 36 39 46 45 49 49 52 51 MAX/MIN RH 70 29 66 24 59 29 84 40 RH 55 70 37 34 60 66 30 27 42 59 37 32 67 84 49 43 PWIND DIR SE NW SE SW S SW S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW CL CL FW FW FW FW FW CL FW FW FW FW SC SC POP 12HR 0 0 0 0 0 5 5 5 $$ 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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