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

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FOUS54 KSJT 260946
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
446 AM CDT TUE MAY 26 2015
TXZ076-262215- BARNHART RAWS-CROCKETT TX 30.99N 101.16W ELEV. 2562 FT 446 AM CDT TUE MAY 26 2015 DATE TUE 05/26/15 WED 05/27/15 THU 05/28/15 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 89 69 88 68 83 TEMP 62 70 81 89 87 74 69 69 69 74 82 88 86 73 68 69 68 73 78 83 81 DEWPT 62 64 59 57 57 62 67 68 68 69 67 66 65 66 67 67 67 66 65 65 64 MIN/MAX RH 34 99 48 97 54 RH 99 81 48 34 36 67 94 97 99 84 61 48 50 78 96 95 97 80 64 55 56 WIND DIR S S S S S S SE S S S S S S S SE S S S S S S WIND SPD 10 12 15 12 10 10 11 15 12 11 12 14 12 10 12 12 10 12 11 12 12 CLOUDS SC SC SC SC SC SC SC B2 B2 B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2 CLOUDS(%) 47 50 28 27 27 32 41 70 70 60 44 44 44 50 55 66 76 76 75 74 72 POP 12HR 20 30 10 20 40 QPF 12HR 0 0.01 0 0.02 0.20 RAIN SHWRS IS IS SC SC IS IS IS IS IS IS SC SC SC SC NM TSTMS IS IS SC SC IS IS IS IS IS IS SC SC SC SC NM LAL 1 1 2 2 3 3 2 2 1 1 1 1 2 2 2 2 3 3 3 3 4 HAINES 3 5 4 4 5 3 3 3 3 3 3 4 3 3 2 3 2 2 3 4 4 MIX HGT <1 2 4 12 10 <1 1 2 <1 3 5 7 5 1 2 2 <1 3 6 8 2 T WIND DIR S S S S S S S S S S S S S S SE S S S S S S T WIND SPD 34 31 21 18 17 20 25 27 26 23 19 20 23 27 32 35 36 32 25 23 24 SMOKE DISP PR FR GD EX EX PR PR FR PR FR GD VG VG PR GD FR PR GD VG EX PR DATE FRI 05/29/15 SAT 05/30/15 SUN 05/31/15 MON 06/01/15 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 67 83 66 81 63 80 64 84 TEMP 67 67 78 81 66 66 76 79 63 63 75 78 64 64 78 82 DEWPT 65 65 66 63 66 66 66 63 63 62 62 60 63 62 64 60 MAX/MIN RH 93 53 100 58 100 52 98 48 RH 93 93 67 54 99100 72 58 100 98 64 55 98 94 63 48 PWIND DIR SE S S S E E SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 POP 12HR 60 30 30 30 40 30 20 20 RAIN SHWRS NM NM SC SC SC SC SC SC SC SC SC SC IS IS IS IS TSTMS NM NM SC SC SC SC SC SC SC SC SC SC 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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