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

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FOUS54 KSJT 182024
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
224 PM CST THU DEC 18 2014
TXZ155-191015- COLORADO BEND RAWS-SAN SABA TX 31.05N 98.50W ELEV. 1259 FT 224 PM CST THU DEC 18 2014 DATE 12/18/14 FRI 12/19/14 SAT 12/20/14 SUN UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MIN/MAX 47 54 41 58 38 TEMP 64 60 53 51 50 48 48 52 54 50 45 43 43 41 44 54 58 52 45 42 41 39 DEWPT 51 50 50 50 49 47 47 46 46 45 44 43 42 41 43 43 44 43 44 42 41 39 MAX/MIN RH 99 72 100 57 100 RH 63 70 88 98 96 96 95 79 75 83 95100 97 99 96 66 59 71 97100100100 WIND DIR N NE NE NE NE NE N N N N N N N NE NE E E E SE SE SE SE WIND SPD 3 3 4 5 8 9 9 8 7 5 4 3 3 3 3 3 3 3 3 3 3 3 CLOUDS B1 B1 B2 OV OV OV OV OV B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC B1 B1 SC CLOUDS(%) 67 68 83 98 98 98 94 91 83 74 74 69 69 65 65 52 52 40 40 56 56 48 POP 12HR 70 60 10 5 5 QPF 12HR 0.23 0.13 0 0 0 RAIN SHWRS NM NM NM NM NM NM SC SC TSTMS IS IS IS IS LAL 1 1 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 5 5 4 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 3 3 3 3 MIX HGT 2 <1 <1 <1 <1 <1 2 2 2 2 <1 <1 <1 <1 2 3 3 2 1 <1 <1 <1 T WIND DIR N E E NE NE NE NE NE NE NE NE NE NE E E E SE SE SE SE SE E T WIND SPD 2 12 16 12 14 17 17 16 11 11 11 9 8 5 5 4 5 9 9 9 2 3 SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR DATE 12/21/14 MON 12/22/14 TUE 12/23/14 WED 12/24/14 THU 12/25/14 UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 MAX/MIN 56 43 68 44 59 38 61 42 63 TEMP 52 52 45 43 62 61 49 45 55 53 41 39 55 55 45 43 58 59 DEWPT 44 44 43 43 43 39 41 39 38 32 30 29 32 33 34 39 45 45 MIN/MAX RH 64 100 36 82 38 72 35 94 51 RH 74 75 92 99 50 44 74 79 52 44 64 69 41 43 65 87 62 59 PWIND DIR S S SW W N NW SW S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS SC SC SC FW FW FW FW FW SC FW FW CL FW FW FW FW SC SC POP 12HR 10 10 5 5 5 0 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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