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

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287
FOUS54 KSJT 281244
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
644 AM CST SAT FEB 28 2015
TXZ128-282300- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 644 AM CST SAT FEB 28 2015 DATE SAT 02/28/15 SUN 03/01/15 MON 03/02/15 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 30 30 53 36 47 TEMP 19 20 24 29 30 31 31 32 32 35 43 51 49 46 43 40 37 37 42 46 46 DEWPT 19 20 24 29 30 31 31 32 32 35 43 43 45 41 40 38 35 35 37 38 40 MIN/MAX RH 100 100 71 96 74 RH 100100100100100100100100100100100 74 86 84 89 92 92 92 83 74 80 WIND DIR E E SE SE SE SE SE SE SE SE S E E NE NE NE NE NE NE NE E WIND SPD 8 9 9 9 9 9 7 5 3 4 3 2 4 4 7 8 8 8 5 4 4 CLOUDS OV OV OV OV OV OV OV OV B2 OV B2 B2 B2 B2 OV OV OV OV OV OV OV CLOUDS(%) 100100100 98 96 94 91 89 87 96 84 72 70 79 88 93 98 94 90 89 90 POP 12HR 50 30 20 30 40 QPF 12HR 0.05 0.03 0.02 0.05 0.02 FRZG DRZL AR AR AR AR AR AR AR AR FRZG RAIN RAIN SHWRS IS IS IS IS SC SC SC SC SC SC SC SC SC SNOW TSTMS IS LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 HAINES 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 2 2 2 2 2 MIX HGT 1 1 2 1 1 <1 <1 <1 <1 <1 <1 1 1 1 <1 <1 <1 <1 1 1 <1 T WIND DIR E E SE SE SE SE SE SE SE E E E NE NE NE NE NE NE NE NE E T WIND SPD 10 10 9 9 11 10 8 5 3 3 4 8 11 13 12 13 14 12 8 8 6 SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR WINTER WEATH Y Y Y Y DATE TUE 03/03/15 WED 03/04/15 THU 03/05/15 FRI 03/06/15 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 46 72 36 43 24 46 28 57 TEMP 46 48 62 68 52 38 39 41 33 25 36 43 32 29 49 54 DEWPT 45 48 55 49 42 31 19 17 11 9 10 14 14 16 20 23 MAX/MIN RH 100 47 76 35 53 26 62 25 RH 95 100 78 51 69 76 44 37 39 51 34 30 47 58 31 30 PWIND DIR SE SW W N N N SE S WIND CHAR <15 <15 <15 15> <15 <15 <15 <15 AVG CLOUDS OV B2 B2 B1 B1 B2 B1 B1 SC SC FW FW FW FW FW FW POP 12HR 40 20 30 10 10 5 5 5 RAIN SHWRS SC SC IS IS SC SC TSTMS 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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