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

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072
FOUS54 KSJT 251049
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
449 AM CST SUN JAN 25 2015
TXZ128-252215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 449 AM CST SUN JAN 25 2015 DATE SUN 01/25/15 MON 01/26/15 TUE 01/27/15 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 63 35 69 43 74 TEMP 38 42 58 63 58 47 41 37 36 42 62 69 64 54 49 44 44 49 68 74 69 DEWPT 31 33 31 29 29 30 31 31 31 34 35 35 35 35 35 35 34 36 37 38 39 MIN/MAX RH 27 92 28 74 27 RH 75 69 36 27 33 51 67 79 82 74 36 29 34 49 59 69 69 61 32 27 33 WIND DIR NW NW N N NW NW W W W W W W W W W W W W W SW S WIND SPD 7 9 14 16 8 4 5 3 3 3 8 7 5 5 7 7 5 4 4 4 4 CLOUDS FW FW FW FW CL FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CLOUDS(%) 13 9 6 6 5 6 6 6 6 10 13 14 14 17 20 21 22 24 25 23 20 POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 4 5 5 4 4 3 3 4 4 5 4 4 4 5 5 5 5 5 5 5 5 MIX HGT <1 1 4 5 3 <1 <1 <1 <1 <1 3 4 3 <1 <1 <1 <1 <1 2 4 4 T WIND DIR NW NW N N NW W W W W W W W W SW SW W W W W SW S T WIND SPD 10 10 26 27 8 6 6 8 5 8 17 19 6 8 8 8 6 6 10 11 6 SMOKE DISP PR PR GD VG PR PR PR PR PR PR FR GD PR PR PR PR PR PR PR FR PR DATE WED 01/28/15 THU 01/29/15 FRI 01/30/15 SAT 01/31/15 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 48 74 48 61 38 51 38 47 TEMP 54 49 69 69 54 49 58 57 43 39 48 49 41 38 45 44 DEWPT 39 38 43 43 42 38 36 33 31 29 29 32 35 36 38 33 MAX/MIN RH 74 33 69 36 70 44 96 60 RH 58 66 39 39 65 65 43 40 62 67 47 52 79 92 76 64 PWIND DIR S SW W N NE E E NE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW SC SC SC B2 B2 OV OV OV OV OV POP 12HR 0 0 5 5 10 20 40 50 RAIN SHWRS 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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