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

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913
FOUS54 KSJT 051005
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
405 AM CST THU MAR 5 2015
TXZ128-052230- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 405 AM CST THU MAR 5 2015 DATE THU 03/05/15 FRI 03/06/15 SAT 03/07/15 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MAX/MIN 37 21 48 27 53 TEMP 22 26 33 37 35 28 25 23 22 28 41 47 45 36 33 30 28 34 46 52 50 DEWPT 17 17 16 17 17 18 18 17 16 22 22 22 25 26 25 27 25 31 30 32 32 MIN/MAX RH 43 81 37 93 46 RH 81 68 49 44 47 66 74 77 77 78 46 37 45 67 72 88 89 88 53 46 50 WIND DIR N N N N NE SE S S S S SW S S S S S S S SW S SE WIND SPD 10 10 9 5 3 3 4 4 4 7 7 5 4 5 7 5 4 4 3 3 5 CLOUDS B2 SC FW FW FW FW FW FW FW FW FW FW FW FW FW SC SC SC B1 B1 B1 CLOUDS(%) 70 47 23 18 12 11 10 9 7 11 15 18 21 22 23 31 39 47 54 56 57 POP 12HR 0 0 5 5 5 QPF 12HR 0 0 0 0 0 FLURRIES LAL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 HAINES 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 3 2 3 3 MIX HGT 1 2 2 3 2 <1 <1 <1 <1 <1 2 3 1 <1 <1 <1 <1 <1 2 3 2 T WIND DIR N N NE NE NE SE S S S SW SW S S S S S S SW SW S SE T WIND SPD 19 19 14 10 6 3 4 4 4 9 9 9 8 6 9 9 6 9 6 5 8 SMOKE DISP PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR PR WINTER WEATH DATE SUN 03/08/15 MON 03/09/15 TUE 03/10/15 WED 03/11/15 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 MIN/MAX 37 60 39 62 39 65 43 71 TEMP 41 38 54 57 45 40 56 59 45 40 58 62 49 44 64 68 DEWPT 33 33 37 39 39 38 41 39 38 37 43 40 40 39 45 41 MAX/MIN RH 85 45 92 46 90 43 82 36 RH 73 82 52 51 79 92 57 47 77 90 57 44 71 82 50 37 PWIND DIR S SW S SE SE S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW POP 12HR 5 5 5 10 10 10 5 5 $$ 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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