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

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FOUS54 KSJT 161030
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
430 AM CST MON JAN 16 2017
TXZ128-162200- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 430 AM CST MON JAN 16 2017 DATE MON 01/16/17 TUE 01/17/17 WED 01/18/17 UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 CST 3HRLY 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 MAX/MIN 59 36 52 39 56 TEMP 40 40 52 59 52 45 42 38 37 38 47 52 48 44 43 40 40 41 51 56 52 DEWPT 40 40 42 43 42 40 38 37 34 35 36 37 39 40 40 40 40 41 43 46 47 MIN/MAX RH 55 96 56 100 69 RH 100100 69 55 69 82 86 96 89 89 65 56 71 86 89100100100 74 69 83 WIND DIR SW SW W W N N N N N N N N NE NE N NE N N SW S S WIND SPD 5 5 8 6 3 3 5 4 4 5 8 5 3 3 2 2 2 2 3 3 3 WIND GUST CLOUDS B2 B2 SC FW FW SC SC SC B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 B1 SC B1 CLOUDS(%) 85 85 31 23 23 27 36 44 53 54 53 64 76 83 65 66 68 63 61 48 57 POP 12HR 0 5 20 40 10 QPF 12HR 0 0 0.02 0.10 0 RAIN SHWRS S S S S C C C C OBVIS PF+PF+ LAL 1 1 1 1 1 1 1 1 1 1 HAINES 4 3 2 2 4 4 5 5 2 2 MIX HGT 1800 2600 300 300 1300 1800 1000 300 2400 3400 T WIND DIR SW W NE NE N N E NW S SW T WIND SPD 8 5 5 11 11 9 4 2 3 6 SMOKE DISP PR PR PR PR PR PR PR PR PR PR DATE THU 01/19/17 FRI 01/20/17 SAT 01/21/17 SUN 01/22/17 UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 CST 6HRLY 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 MIN/MAX 43 66 45 66 44 66 43 59 TEMP 47 44 59 59 51 46 59 59 50 45 59 59 49 44 54 52 DEWPT 46 43 43 39 38 37 37 35 34 35 38 36 34 32 33 32 MAX/MIN RH 100 38 73 33 73 34 65 36 RH 96 96 55 47 61 71 44 40 54 68 45 42 56 62 45 46 PWIND DIR S SW SW SW SW SW SW NW WIND CHAR <15 <15 <15 <15 <15 <15 <15 15> AVG CLOUDS SC SC FW FW FW FW FW FW FW SC SC B1 B1 SC SC SC POP 12HR 5 5 0 0 5 10 20 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 MPN; 15> = 15 MPH OR GREATER AVE CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY POP 12HR(%).........................PROBABILITY FOR ACCUMULATION PRECIPITATION WEATHER... SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS