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

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513
FOUS54 KSJT 290933
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
433 AM CDT MON AUG 29 2016
TXZ128-292215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 433 AM CDT MON AUG 29 2016 DATE MON 08/29/16 TUE 08/30/16 WED 08/31/16 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 87 69 88 70 90 TEMP 70 78 85 87 84 76 73 71 69 78 85 88 85 77 74 72 70 79 87 90 86 DEWPT 67 69 69 65 67 68 68 68 68 69 68 67 66 67 68 67 67 69 68 66 66 MIN/MAX RH 49 97 49 90 46 RH 91 74 59 49 56 76 84 90 97 74 56 49 53 71 81 84 90 72 53 46 52 WIND DIR E E E E E E E E NE E E E E E SE S N NE NE E E WIND SPD 3 5 8 9 9 4 3 3 3 4 6 8 6 3 2 2 3 3 4 6 6 CLOUDS B1 B1 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 CLOUDS(%) 52 64 76 78 79 74 69 76 83 82 77 77 73 74 69 67 67 66 66 61 61 POP 12HR 40 20 40 30 30 QPF 12HR 0.03 0.02 0.13 0.02 0.06 RAIN SHWRS S S C C S S S S C C C C C C C C C C C C S TSTMS S S C C S S S S C C C C C C C C C C C C S LAL 2 3 2 2 3 3 3 3 3 3 HAINES 3 3 3 3 3 4 3 3 3 4 MIX HGT 5100 7500 3900 200 4900 7300 4200 300 5300 7900 T WIND DIR E E E E E E E E E E T WIND SPD 10 17 8 3 9 12 4 3 3 4 SMOKE DISP GD VG FR PR FR GD PR PR PR FR DATE THU 09/01/16 FRI 09/02/16 SAT 09/03/16 SUN 09/04/16 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 71 90 71 90 71 91 72 92 TEMP 75 71 87 86 75 71 87 86 75 71 88 87 76 72 89 88 DEWPT 67 67 68 67 69 68 70 68 68 69 69 66 68 68 68 65 MAX/MIN RH RH 77 87 53 53 82 90 56 54 79 93 54 51 77 87 49 46 PWIND DIR E NE E E SE S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 SC SC SC POP 12HR 20 30 20 30 10 20 10 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 DIR DEG(DEGREES)...............20 FT. WIND DIRECTION IN TENS OF DEGREES RELATIVE TO DUE NORTH. EXAMPLE: 09 = 90 DEGREES = EAST; 18 = 180 DEGREES = SOUTH; 27 = 270 DEGREES = WEST; 36 = 360 DEGREES = NORTH 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... S..............SLIGHT CHANCE C..............CHANCE L..............LIKELY O..............OCCASIONAL 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 MIX HGT(FT AGL).....................MIXING HEIGHT T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION T WIND SPD(MPH).....................TRANSPORT WIND SPEED ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX DISPERSION..........................LDSI MAX LVORI...........................LVORI STA PRES (INCHES MERCURY)...........STATION PRESSURE ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX CEILING (FT)........................CEILING STABILITY (CAT).....................PASQUILL TURNER STABILITY 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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