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

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268
FOUS54 KSJT 310327
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
1027 PM CDT SUN AUG 30 2015
TXZ128-311000- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 1027 PM CDT SUN AUG 30 2015 DATE 08/30/15 MON 08/31/15 TUE 09/01/15 WED 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 71 95 73 95 72 TEMP 76 74 71 80 91 95 90 82 78 76 73 81 92 95 90 81 77 75 72 DEWPT 59 59 60 62 59 57 57 60 60 61 62 65 62 60 58 61 62 65 65 MAX/MIN RH 68 28 69 31 79 RH 55 61 68 54 35 28 33 48 54 61 68 57 37 31 34 52 60 72 79 WIND DIR S S S SW S S S SE S S S S S S SE S S S S WIND SPD 9 6 6 10 8 9 10 8 10 9 10 10 9 10 10 9 10 10 9 CLOUDS FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW FW CLOUDS(%) 24 19 13 17 20 21 21 20 18 15 14 14 15 15 12 12 14 14 14 POP 12HR 0 10 0 5 0 QPF 12HR 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 HAINES 5 5 5 5 5 5 5 5 5 MIX HGT 300 10300 10900 5500 400 9500 10300 5600 800 T WIND DIR S S S S S S S S S T WIND SPD 6 11 11 10 10 12 12 10 17 SMOKE DISP PR GD VG FR PR GD GD FR PR DATE 09/02 THU 09/03/15 FRI 09/04/15 SAT 09/05/15 SUN 09/06/15 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 95 73 96 73 95 73 95 73 94 TEMP 91 90 78 73 92 91 78 73 91 90 78 73 92 90 78 73 91 90 DEWPT 64 59 62 65 63 59 62 66 63 59 62 66 63 60 63 66 63 59 MIN/MAX RH RH 41 35 58 76 38 34 58 79 40 36 59 79 39 37 59 79 40 35 PWIND DIR S S S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW SC FW FW FW FW SC SC SC SC SC SC SC SC SC SC POP 12HR 0 0 0 5 5 5 5 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 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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