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

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837
FOUS54 KSJT 232024
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
324 PM CDT THU OCT 23 2014
TXZ128-241015- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 324 PM CDT THU OCT 23 2014 DATE 10/23/14 FRI 10/24/14 SAT 10/25/14 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 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 59 85 61 88 61 TEMP 80 76 66 64 61 59 71 83 85 79 69 67 63 61 73 86 88 81 70 67 63 61 DEWPT 58 58 58 58 57 57 59 58 55 54 55 55 55 55 55 56 53 51 51 52 52 53 MAX/MIN RH 95 36 80 30 75 RH 46 55 75 80 87 93 65 43 36 42 61 67 74 80 53 36 30 35 51 59 67 75 WIND DIR S S SE S S S SW SW S S S S S SW SW SW S S S S S S WIND SPD 5 5 5 5 4 4 7 8 7 5 5 7 7 7 8 9 9 5 8 10 9 10 CLOUDS SC FW FW FW FW FW FW FW FW FW FW FW FW CL CL CL CL CL CL CL CL CL CLOUDS(%) 29 23 21 20 19 18 17 15 13 9 9 9 7 5 5 5 4 3 4 4 5 5 POP 12HR 0 0 0 0 0 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 1 HAINES 3 3 3 3 3 3 3 4 4 4 4 4 4 4 5 5 4 4 4 4 5 MIX HGT 4 2 <1 <1 <1 <1 1 4 6 3 <1 <1 <1 <1 <1 4 6 4 <1 <1 <1 <1 T WIND DIR SW S S S S SW SW SW SW S S S SW SW W S S S S S SW SW T WIND SPD 5 6 5 6 6 5 12 6 6 10 6 8 8 8 14 8 11 13 8 10 10 10 SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR FR FR PR PR PR PR DATE 10/26 MON 10/27/14 TUE 10/28/14 WED 10/29/14 THU 10/30/14 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 87 62 89 58 77 52 74 54 76 TEMP 85 81 68 62 87 81 65 58 75 71 58 52 72 69 59 54 74 70 DEWPT 54 51 52 54 56 54 55 52 48 46 46 44 45 45 47 48 49 42 MIN/MAX RH 30 75 32 80 35 74 35 80 32 RH 35 35 58 75 35 39 70 80 38 41 65 74 38 43 65 80 41 36 PWIND DIR S S S SW N NE E SE E WIND CHAR <15 15> 15> <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW SC SC FW FW FW SC SC SC SC SC SC SC SC SC POP 12HR 0 0 5 10 10 10 10 10 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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