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

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692
FOUS54 KSJT 092032
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
232 PM CST FRI DEC 9 2016
TXZ128-101030- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 232 PM CST FRI DEC 9 2016 DATE 12/09/16 SAT 12/10/16 SUN 12/11/16 MON UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 CST 3HRLY 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 MIN/MAX 31 56 47 70 39 TEMP 41 37 34 33 32 31 36 50 56 52 50 49 48 47 51 65 70 58 50 46 42 39 DEWPT 20 24 24 24 25 26 28 33 37 42 42 45 46 47 47 48 46 45 44 40 38 35 MAX/MIN RH 85 48 100 42 89 RH 42 59 66 69 75 81 72 52 49 69 74 86 93100 86 54 42 62 80 79 86 85 WIND DIR S S S S S S S S S S S S S SW SW SW SW SW W N N N WIND SPD 9 6 8 9 9 8 11 13 14 10 16 17 17 17 17 17 17 8 5 4 3 4 CLOUDS SC SC FW FW FW SC SC SC SC FW SC SC SC SC SC FW FW FW FW SC FW FW CLOUDS(%) 49 26 20 15 25 36 35 35 32 21 30 39 44 48 34 19 18 24 23 28 15 14 POP 12HR 0 0 0 0 0 QPF 12HR 0 0 0 0 0 LAL 1 1 1 1 1 1 1 1 1 1 HAINES 2 2 2 3 4 5 5 5 4 4 MIX HGT 300 200 1600 1800 900 700 900 1500 300 300 T WIND DIR S S S S S SW SW SW NW N T WIND SPD 10 9 17 17 21 28 25 21 5 4 SMOKE DISP PR PR PR PR PR PR PR PR PR PR DATE 12/12/16 TUE 12/13/16 WED 12/14/16 THU 12/15/16 FRI 12/16/16 UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6HRLY 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 MAX/MIN 61 43 62 41 51 26 41 32 53 TEMP 56 54 47 43 58 54 45 41 40 39 31 26 38 37 34 32 48 46 DEWPT 39 43 41 40 44 45 43 41 32 26 19 17 17 21 25 27 34 33 MIN/MAX RH 42 93 53 100 59 68 39 88 48 RH 53 66 79 89 59 71 93 100 73 59 61 68 42 52 69 81 58 60 PWIND DIR N S SW S NW NE NE SE S WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW FW FW SC SC SC SC SC SC SC SC B1 B1 POP 12HR 0 0 0 0 0 0 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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