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

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969
FOUS54 KSJT 212027
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
227 PM CST SUN DEC 21 2014
TXZ076-221015- BARNHART RAWS-CROCKETT TX 30.99N 101.16W ELEV. 2562 FT 227 PM CST SUN DEC 21 2014 DATE 12/21/14 MON 12/22/14 TUE 12/23/14 WED 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 42 72 37 50 30 TEMP 62 55 49 46 44 43 49 65 72 59 48 44 41 39 40 47 50 43 37 34 32 31 DEWPT 40 39 41 40 38 34 34 34 34 33 33 33 33 33 30 27 23 21 22 21 25 23 MAX/MIN RH 80 25 81 33 75 RH 45 56 75 80 78 71 56 31 25 37 56 64 72 79 67 45 34 42 55 59 74 72 WIND DIR SW SW S SW SW SW W W W W N N N N N N N NW NW NW NW NW WIND SPD 12 9 10 10 8 7 9 16 12 7 3 5 10 14 14 16 16 10 8 9 8 8 CLOUDS SC FW SC SC B1 B1 SC SC SC SC SC B1 SC B2 SC SC FW FW FW FW FW FW CLOUDS(%) 29 18 29 39 53 66 49 32 38 44 42 53 45 72 34 29 20 15 15 13 13 7 POP 12HR 0 5 20 20 0 QPF 12HR 0 0 0.02 0.02 0 RAIN SHWRS IS IS IS IS IS IS IS IS LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 3 4 5 5 4 5 5 5 4 4 4 4 4 2 2 3 5 5 5 3 3 MIX HGT 3 <1 <1 <1 <1 <1 1 3 4 <1 <1 <1 1 2 3 5 7 6 <1 <1 <1 <1 T WIND DIR SW SW S SW SW SW W NW NW N NE NE NE NE N N N NW NW NW NW NW T WIND SPD 23 16 16 14 10 9 11 17 11 4 6 17 17 25 21 23 19 21 11 11 11 11 SMOKE DISP GD PR PR PR PR PR PR PR PR PR PR PR PR PR GD GD VG VG PR PR PR PR DATE 12/24/14 THU 12/25/14 FRI 12/26/14 SAT 12/27/14 SUN 12/28/14 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 54 32 62 39 56 30 50 28 54 TEMP 49 46 37 33 55 53 44 40 52 46 36 31 46 42 33 29 48 48 DEWPT 23 18 21 22 23 24 29 28 28 26 25 22 21 22 23 25 24 25 MIN/MAX RH 25 66 22 64 32 72 31 84 31 RH 36 32 52 63 29 32 55 62 39 44 64 69 38 44 66 84 38 40 PWIND DIR NW SW S SW N NE NE S SW WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW FW FW SC SC FW SC SC FW FW FW FW FW POP 12HR 0 0 0 5 5 5 5 0 0 $$ 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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