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

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FOUS54 KSJT 202049
PFWSJT

FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN ANGELO TX
249 PM CST FRI JAN 20 2017
TXZ128-211100- HAMBY RAWS-CALLAHAN TX 32.50N 99.62W ELEV. 1900 FT 249 PM CST FRI JAN 20 2017 DATE 01/20/17 SAT 01/21/17 SUN 01/22/17 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 47 69 44 60 38 TEMP 70 63 55 50 50 48 49 62 68 60 52 48 47 45 45 55 60 52 45 41 41 39 DEWPT 34 34 35 35 36 36 39 39 37 37 34 32 29 33 33 33 30 27 29 31 30 30 MAX/MIN RH 71 31 65 31 76 RH 26 34 47 56 58 63 68 43 32 42 50 54 49 62 62 43 32 38 53 67 65 70 WIND DIR W SW SW SW SW SW SW SW SW SW W W W NW NW NW NW NW W W W SW WIND SPD 17 10 10 9 9 10 12 20 24 17 17 18 21 18 18 18 14 10 6 3 3 3 WIND GUST CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC FW FW FW CL CL FW FW CLOUDS(%) 30 32 43 54 57 60 60 60 64 51 63 28 37 45 30 13 11 7 4 2 6 10 POP 12HR 5 20 5 0 0 QPF 12HR 0 0.02 0 0 0 RAIN SHWRS S S S S TSTMS S S S S LAL 1 1 2 2 1 1 1 1 1 1 HAINES 6 6 5 5 6 6 4 4 4 4 MIX HGT 200 100 5900 7300 500 500 3500 4500 200 100 T WIND DIR SW SW SW W W W NW NW SW SW T WIND SPD 10 10 27 33 24 31 24 17 5 6 SMOKE DISP PR PR EX EX PR PR GD GD PR PR DATE 01/23/17 TUE 01/24/17 WED 01/25/17 THU 01/26/17 FRI 01/27/17 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 71 46 68 39 52 31 51 32 54 TEMP 61 62 50 47 61 58 43 40 48 45 34 32 45 44 35 33 47 47 DEWPT 34 36 37 31 33 27 26 25 27 27 27 26 25 25 26 25 27 28 MIN/MAX RH 27 61 23 59 38 81 36 78 36 RH 36 38 61 53 35 30 51 55 44 49 75 78 45 47 69 72 45 47 PWIND DIR SW S SW W N N NE NE NW WIND CHAR <15 <15 <15 <15 <15 <15 <15 <15 <15 AVG CLOUDS FW FW FW FW FW FW FW FW FW SC SC SC FW SC FW SC SC FW POP 12HR 0 0 0 5 5 10 5 0 0 $$ 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

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