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

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815
FOUS54 KSJT 222114
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
414 PM CDT FRI AUG 22 2014
TXZ076-231015- BARNHART RAWS-CROCKETT TX 30.99N 101.16W ELEV. 2562 FT 414 PM CDT FRI AUG 22 2014 DATE 08/22/14 SAT 08/23/14 SUN 08/24/14 MON UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 MIN/MAX 70 93 72 95 71 TEMP 87 78 73 72 70 80 89 93 88 79 75 74 72 82 91 95 89 79 74 73 71 DEWPT 50 53 54 63 65 63 58 55 55 60 61 64 66 66 65 63 61 61 61 63 65 MAX/MIN RH 84 28 81 36 81 RH 28 43 51 73 84 57 35 28 33 52 63 72 81 59 42 36 39 54 64 71 81 WIND DIR S S S S S S S S S S S S S S S S S S SE S S WIND SPD 17 10 11 10 10 11 15 15 14 7 7 9 10 11 12 11 10 10 10 9 9 CLOUDS FW SC SC SC SC SC SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC CLOUDS(%) 25 26 27 27 27 26 26 23 21 26 30 29 27 29 30 28 26 28 31 29 27 POP 12HR 5 5 5 5 5 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 6 6 4 4 4 5 4 6 5 4 4 3 3 3 3 5 4 4 4 4 4 MIX HGT 6 <1 <1 <1 <1 3 7 8 6 3 <1 <1 1 4 6 9 7 <1 <1 <1 <1 T WIND DIR S S S S S S S S S S S S S S S S S S S S S T WIND SPD 28 11 10 20 9 18 23 23 21 16 8 20 18 18 17 12 14 9 6 8 8 SMOKE DISP EX PR PR PR PR FR VG EX VG FR PR PR PR FR GD VG GD PR PR PR PR DATE 08/25 TUE 08/26/14 WED 08/27/14 THU 08/28/14 FRI 08/29/14 UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19 MAX/MIN 96 71 94 71 95 72 93 69 92 TEMP 92 90 74 71 90 88 74 71 91 89 75 72 89 87 72 69 88 87 DEWPT 62 58 58 65 62 58 59 62 61 58 60 63 62 60 63 65 63 60 MIN/MAX RH 31 80 32 74 31 75 35 87 37 RH 37 35 57 80 39 36 59 74 37 35 61 75 41 40 73 87 43 41 PWIND DIR S S S S S SE S E SE WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC B1 B1 B1 SC SC SC POP 12HR 5 5 5 5 5 10 20 20 20 RAIN SHWRS IS IS IS IS IS IS 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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