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

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641
FOUS54 KSJT 280908
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
408 AM CDT SUN AUG 28 2016
TXZ128-282215- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 408 AM CDT SUN AUG 28 2016 DATE SUN 08/28/16 MON 08/29/16 TUE 08/30/16 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 89 69 88 69 89 TEMP 70 79 86 89 86 77 73 71 69 78 85 88 85 77 73 71 69 78 86 89 86 DEWPT 68 70 69 66 66 67 67 68 67 68 67 65 65 67 67 68 67 68 68 65 65 MIN/MAX RH 47 93 47 93 46 RH 93 74 56 47 51 71 81 90 93 72 54 47 52 70 81 90 93 71 54 46 50 WIND DIR SE S E E E SE SE SE E E E E E E E SE E E E E E WIND SPD 3 3 4 6 8 5 3 3 3 4 8 9 8 5 3 3 3 3 6 8 8 CLOUDS SC SC B1 B1 B1 B1 SC SC SC B1 B2 B2 B2 B2 B2 B1 B2 B1 B2 B2 B1 CLOUDS(%) 35 44 54 56 57 51 44 47 50 60 78 77 79 83 70 69 71 67 72 71 65 POP 12HR 30 20 40 20 30 QPF 12HR 0.01 0.01 0.10 0.02 0.08 RAIN SHWRS C C S S C C C C S S S S C C C C S TSTMS C C S S C C C C S S S S C C C C S LAL 1 3 2 1 3 3 2 2 3 3 HAINES 4 5 5 4 3 3 4 3 3 5 MIX HGT 5800 8600 4100 200 5100 7500 4200 200 5300 7900 T WIND DIR SE E SE SE E E E E E SE T WIND SPD 5 11 16 4 10 13 5 3 10 16 SMOKE DISP PR GD GD PR GD GD FR PR GD VG DATE WED 08/31/16 THU 09/01/16 FRI 09/02/16 SAT 09/03/16 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 70 89 70 92 72 93 73 94 TEMP 74 70 86 85 74 70 88 88 76 72 89 89 77 73 90 90 DEWPT 68 67 67 65 68 67 68 65 67 67 68 65 67 67 68 65 MAX/MIN RH RH 82 90 53 51 80 89 51 47 74 84 49 45 71 81 49 44 PWIND DIR E NE SE SE SE S SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW POP 12HR 20 30 20 20 10 20 5 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 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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