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

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056
FOUS54 KSJT 180903
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
403 AM CDT SUN SEP 18 2016
TXZ128-182245- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 403 AM CDT SUN SEP 18 2016 DATE SUN 09/18/16 MON 09/19/16 TUE 09/20/16 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 93 73 93 70 93 TEMP 74 71 80 89 93 89 80 77 75 73 81 90 93 88 79 75 72 70 79 89 93 88 DEWPT 68 68 71 71 69 69 68 68 68 68 69 68 64 64 64 65 65 65 67 66 63 64 MIN/MAX RH 45 84 39 84 37 RH 82 90 74 55 46 51 67 74 79 84 67 49 39 45 61 71 79 84 66 47 37 45 WIND DIR S S S SW S SE SE S S S SW SW S SE SE S S S S S SE SE WIND SPD 4 3 6 6 5 5 5 8 8 5 8 8 6 6 6 6 5 4 5 4 5 6 CLOUDS B1 B1 SC SC SC FW FW FW FW FW FW FW FW FW FW CL CL CL FW FW FW FW CLOUDS(%) 57 56 49 43 31 20 17 15 15 15 17 13 12 12 9 4 5 5 11 17 17 18 POP 12HR 20 5 5 5 0 QPF 12HR 0.01 0 0 0 0 RAIN SHWRS C S S S S TSTMS C S S S S LAL 2 2 1 1 1 1 1 1 1 1 HAINES 3 4 5 5 6 6 5 5 5 5 MIX HGT 5600 7100 2800 200 6200 7900 400 200 7300 8800 T WIND DIR SW S S S SW S S SW SW SE T WIND SPD 10 8 6 6 11 6 6 8 10 6 SMOKE DISP PR FR PR PR FR FR PR PR FR GD DATE WED 09/21/16 THU 09/22/16 FRI 09/23/16 SAT 09/24/16 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 69 91 69 91 69 90 70 87 TEMP 74 69 87 87 73 69 87 87 73 69 86 86 74 70 84 82 DEWPT 64 65 65 61 60 62 63 58 61 63 64 61 64 66 66 62 MAX/MIN RH RH 70 87 47 42 65 78 45 37 66 81 48 44 72 87 55 51 PWIND DIR SE S S S S S S S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW FW FW CL FW FW FW FW SC SC SC POP 12HR 0 0 5 5 5 5 10 30 $$ 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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